[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/src/test1.c

-/*
-** 2001 September 15
-**
-** The author disclaims copyright to this source code.  In place of
-** a legal notice, here is a blessing:
-**
-**    May you do good and not evil.
-**    May you find forgiveness for yourself and forgive others.
-**    May you share freely, never taking more than you give.
-**
-*************************************************************************
-** Code for testing all sorts of SQLite interfaces.  This code
-** is not included in the SQLite library.  It is used for automated
-** testing of the SQLite library.
-*/
-#include "sqliteInt.h"
-#if SQLITE_OS_WIN
-#  include "os_win.h"
-#endif
-
-#include "vdbeInt.h"
-#include "tcl.h"
-#include <stdlib.h>
-#include <string.h>
-
-/*
-** This is a copy of the first part of the SqliteDb structure in 
-** tclsqlite.c.  We need it here so that the get_sqlite_pointer routine
-** can extract the sqlite3* pointer from an existing Tcl SQLite
-** connection.
-*/
-struct SqliteDb {
-  sqlite3 *db;
-};
-
-/*
-** Convert text generated by the "%p" conversion format back into
-** a pointer.
-*/
-static int testHexToInt(int h){
-  if( h>='0' && h<='9' ){
-    return h - '0';
-  }else if( h>='a' && h<='f' ){
-    return h - 'a' + 10;
-  }else{
-    assert( h>='A' && h<='F' );
-    return h - 'A' + 10;
-  }
-}
-void *sqlite3TestTextToPtr(const char *z){
-  void *p;
-  u64 v;
-  u32 v2;
-  if( z[0]=='0' && z[1]=='x' ){
-    z += 2;
-  }
-  v = 0;
-  while( *z ){
-    v = (v<<4) + testHexToInt(*z);
-    z++;
-  }
-  if( sizeof(p)==sizeof(v) ){
-    memcpy(&p, &v, sizeof(p));
-  }else{
-    assert( sizeof(p)==sizeof(v2) );
-    v2 = (u32)v;
-    memcpy(&p, &v2, sizeof(p));
-  }
-  return p;
-}
-
-
-/*
-** A TCL command that returns the address of the sqlite* pointer
-** for an sqlite connection instance.  Bad things happen if the
-** input is not an sqlite connection.
-*/
-static int get_sqlite_pointer(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  struct SqliteDb *p;
-  Tcl_CmdInfo cmdInfo;
-  char zBuf[100];
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "SQLITE-CONNECTION");
-    return TCL_ERROR;
-  }
-  if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
-    Tcl_AppendResult(interp, "command not found: ",
-           Tcl_GetString(objv[1]), (char*)0);
-    return TCL_ERROR;
-  }
-  p = (struct SqliteDb*)cmdInfo.objClientData;
-  sprintf(zBuf, "%p", p->db);
-  if( strncmp(zBuf,"0x",2) ){
-    sprintf(zBuf, "0x%p", p->db);
-  }
-  Tcl_AppendResult(interp, zBuf, 0);
-  return TCL_OK;
-}
-
-/*
-** Decode a pointer to an sqlite3 object.
-*/
-int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb){
-  struct SqliteDb *p;
-  Tcl_CmdInfo cmdInfo;
-  if( Tcl_GetCommandInfo(interp, zA, &cmdInfo) ){
-    p = (struct SqliteDb*)cmdInfo.objClientData;
-    *ppDb = p->db;
-  }else{
-    *ppDb = (sqlite3*)sqlite3TestTextToPtr(zA);
-  }
-  return TCL_OK;
-}
-
-#if SQLITE_OS_WIN
-/*
-** Decode a Win32 HANDLE object.
-*/
-int getWin32Handle(Tcl_Interp *interp, const char *zA, LPHANDLE phFile){
-  *phFile = (HANDLE)sqlite3TestTextToPtr(zA);
-  return TCL_OK;
-}
-#endif
-
-extern const char *sqlite3ErrName(int);
-#define t1ErrorName sqlite3ErrName
-
-/*
-** Convert an sqlite3_stmt* into an sqlite3*.  This depends on the
-** fact that the sqlite3* is the first field in the Vdbe structure.
-*/
-#define StmtToDb(X)   sqlite3_db_handle(X)
-
-/*
-** Check a return value to make sure it agrees with the results
-** from sqlite3_errcode.
-*/
-int sqlite3TestErrCode(Tcl_Interp *interp, sqlite3 *db, int rc){
-  if( sqlite3_threadsafe()==0 && rc!=SQLITE_MISUSE && rc!=SQLITE_OK
-   && sqlite3_errcode(db)!=rc ){
-    char zBuf[200];
-    int r2 = sqlite3_errcode(db);
-    sprintf(zBuf, "error code %s (%d) does not match sqlite3_errcode %s (%d)",
-       t1ErrorName(rc), rc, t1ErrorName(r2), r2);
-    Tcl_ResetResult(interp);
-    Tcl_AppendResult(interp, zBuf, 0);
-    return 1;
-  }
-  return 0;
-}
-
-/*
-** Decode a pointer to an sqlite3_stmt object.
-*/
-static int getStmtPointer(
-  Tcl_Interp *interp, 
-  const char *zArg,  
-  sqlite3_stmt **ppStmt
-){
-  *ppStmt = (sqlite3_stmt*)sqlite3TestTextToPtr(zArg);
-  return TCL_OK;
-}
-
-/*
-** Generate a text representation of a pointer that can be understood
-** by the getDbPointer and getVmPointer routines above.
-**
-** The problem is, on some machines (Solaris) if you do a printf with
-** "%p" you cannot turn around and do a scanf with the same "%p" and
-** get your pointer back.  You have to prepend a "0x" before it will
-** work.  Or at least that is what is reported to me (drh).  But this
-** behavior varies from machine to machine.  The solution used her is
-** to test the string right after it is generated to see if it can be
-** understood by scanf, and if not, try prepending an "0x" to see if
-** that helps.  If nothing works, a fatal error is generated.
-*/
-int sqlite3TestMakePointerStr(Tcl_Interp *interp, char *zPtr, void *p){
-  sqlite3_snprintf(100, zPtr, "%p", p);
-  return TCL_OK;
-}
-
-/*
-** The callback routine for sqlite3_exec_printf().
-*/
-static int exec_printf_cb(void *pArg, int argc, char **argv, char **name){
-  Tcl_DString *str = (Tcl_DString*)pArg;
-  int i;
-
-  if( Tcl_DStringLength(str)==0 ){
-    for(i=0; i<argc; i++){
-      Tcl_DStringAppendElement(str, name[i] ? name[i] : "NULL");
-    }
-  }
-  for(i=0; i<argc; i++){
-    Tcl_DStringAppendElement(str, argv[i] ? argv[i] : "NULL");
-  }
-  return 0;
-}
-
-/*
-** The I/O tracing callback.
-*/
-#if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
-static FILE *iotrace_file = 0;
-static void io_trace_callback(const char *zFormat, ...){
-  va_list ap;
-  va_start(ap, zFormat);
-  vfprintf(iotrace_file, zFormat, ap);
-  va_end(ap);
-  fflush(iotrace_file);
-}
-#endif
-
-/*
-** Usage:  io_trace FILENAME
-**
-** Turn I/O tracing on or off.  If FILENAME is not an empty string,
-** I/O tracing begins going into FILENAME. If FILENAME is an empty
-** string, I/O tracing is turned off.
-*/
-static int test_io_trace(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-#if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
-  if( argc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-          " FILENAME\"", 0);
-    return TCL_ERROR;
-  }
-  if( iotrace_file ){
-    if( iotrace_file!=stdout && iotrace_file!=stderr ){
-      fclose(iotrace_file);
-    }
-    iotrace_file = 0;
-    sqlite3IoTrace = 0;
-  }
-  if( argv[1][0] ){
-    if( strcmp(argv[1],"stdout")==0 ){
-      iotrace_file = stdout;
-    }else if( strcmp(argv[1],"stderr")==0 ){
-      iotrace_file = stderr;
-    }else{
-      iotrace_file = fopen(argv[1], "w");
-    }
-    sqlite3IoTrace = io_trace_callback;
-  }
-#endif
-  return TCL_OK;
-}
-
-/*
-** Usage:  clang_sanitize_address 
-**
-** Returns true if the program was compiled using clang with the 
-** -fsanitize=address switch on the command line. False otherwise.
-*/
-static int clang_sanitize_address(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  int res = 0;
-#if defined(__has_feature)
-# if __has_feature(address_sanitizer)
-  res = 1;
-# endif
-#endif
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(res));
-  return TCL_OK;
-}
-  
-/*
-** Usage:  sqlite3_exec_printf  DB  FORMAT  STRING
-**
-** Invoke the sqlite3_exec_printf() interface using the open database
-** DB.  The SQL is the string FORMAT.  The format string should contain
-** one %s or %q.  STRING is the value inserted into %s or %q.
-*/
-static int test_exec_printf(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  sqlite3 *db;
-  Tcl_DString str;
-  int rc;
-  char *zErr = 0;
-  char *zSql;
-  char zBuf[30];
-  if( argc!=4 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
-       " DB FORMAT STRING", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  Tcl_DStringInit(&str);
-  zSql = sqlite3_mprintf(argv[2], argv[3]);
-  rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
-  sqlite3_free(zSql);
-  sprintf(zBuf, "%d", rc);
-  Tcl_AppendElement(interp, zBuf);
-  Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
-  Tcl_DStringFree(&str);
-  if( zErr ) sqlite3_free(zErr);
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_exec_hex  DB  HEX
-**
-** Invoke the sqlite3_exec() on a string that is obtained by translating
-** HEX into ASCII.  Most characters are translated as is.  %HH becomes
-** a hex character.
-*/
-static int test_exec_hex(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  sqlite3 *db;
-  Tcl_DString str;
-  int rc, i, j;
-  char *zErr = 0;
-  char *zHex;
-  char zSql[500];
-  char zBuf[30];
-  if( argc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
-       " DB HEX", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  zHex = argv[2];
-  for(i=j=0; i<sizeof(zSql) && zHex[j]; i++, j++){
-    if( zHex[j]=='%' && zHex[j+2] && zHex[j+2] ){
-      zSql[i] = (testHexToInt(zHex[j+1])<<4) + testHexToInt(zHex[j+2]);
-      j += 2;
-    }else{
-      zSql[i] = zHex[j];
-    }
-  }
-  zSql[i] = 0;
-  Tcl_DStringInit(&str);
-  rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
-  sprintf(zBuf, "%d", rc);
-  Tcl_AppendElement(interp, zBuf);
-  Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
-  Tcl_DStringFree(&str);
-  if( zErr ) sqlite3_free(zErr);
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  return TCL_OK;
-}
-
-/*
-** Usage:  db_enter DB
-**         db_leave DB
-**
-** Enter or leave the mutex on a database connection.
-*/
-static int db_enter(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  sqlite3 *db;
-  if( argc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
-       " DB", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  sqlite3_mutex_enter(db->mutex);
-  return TCL_OK;
-}
-static int db_leave(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  sqlite3 *db;
-  if( argc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
-       " DB", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  sqlite3_mutex_leave(db->mutex);
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_exec  DB  SQL
-**
-** Invoke the sqlite3_exec interface using the open database DB
-*/
-static int test_exec(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  sqlite3 *db;
-  Tcl_DString str;
-  int rc;
-  char *zErr = 0;
-  char *zSql;
-  int i, j;
-  char zBuf[30];
-  if( argc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
-       " DB SQL", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  Tcl_DStringInit(&str);
-  zSql = sqlite3_mprintf("%s", argv[2]);
-  for(i=j=0; zSql[i];){
-    if( zSql[i]=='%' ){
-      zSql[j++] = (testHexToInt(zSql[i+1])<<4) + testHexToInt(zSql[i+2]);
-      i += 3;
-    }else{
-      zSql[j++] = zSql[i++];
-    }
-  }
-  zSql[j] = 0;
-  rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
-  sqlite3_free(zSql);
-  sprintf(zBuf, "%d", rc);
-  Tcl_AppendElement(interp, zBuf);
-  Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
-  Tcl_DStringFree(&str);
-  if( zErr ) sqlite3_free(zErr);
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_exec_nr  DB  SQL
-**
-** Invoke the sqlite3_exec interface using the open database DB.  Discard
-** all results
-*/
-static int test_exec_nr(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  sqlite3 *db;
-  int rc;
-  char *zErr = 0;
-  if( argc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
-       " DB SQL", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  rc = sqlite3_exec(db, argv[2], 0, 0, &zErr);
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_mprintf_z_test  SEPARATOR  ARG0  ARG1 ...
-**
-** Test the %z format of sqlite_mprintf().  Use multiple mprintf() calls to 
-** concatenate arg0 through argn using separator as the separator.
-** Return the result.
-*/
-static int test_mprintf_z(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  char *zResult = 0;
-  int i;
-
-  for(i=2; i<argc && (i==2 || zResult); i++){
-    zResult = sqlite3_mprintf("%z%s%s", zResult, argv[1], argv[i]);
-  }
-  Tcl_AppendResult(interp, zResult, 0);
-  sqlite3_free(zResult);
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_mprintf_n_test  STRING
-**
-** Test the %n format of sqlite_mprintf().  Return the length of the
-** input string.
-*/
-static int test_mprintf_n(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  char *zStr;
-  int n = 0;
-  zStr = sqlite3_mprintf("%s%n", argv[1], &n);
-  sqlite3_free(zStr);
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(n));
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_snprintf_int  SIZE FORMAT  INT
-**
-** Test the of sqlite3_snprintf() routine.  SIZE is the size of the
-** output buffer in bytes.  The maximum size is 100.  FORMAT is the
-** format string.  INT is a single integer argument.  The FORMAT
-** string must require no more than this one integer argument.  If
-** You pass in a format string that requires more than one argument,
-** bad things will happen.
-*/
-static int test_snprintf_int(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  char zStr[100];
-  int n = atoi(argv[1]);
-  const char *zFormat = argv[2];
-  int a1 = atoi(argv[3]);
-  if( n>sizeof(zStr) ) n = sizeof(zStr);
-  sqlite3_snprintf(sizeof(zStr), zStr, "abcdefghijklmnopqrstuvwxyz");
-  sqlite3_snprintf(n, zStr, zFormat, a1);
-  Tcl_AppendResult(interp, zStr, 0);
-  return TCL_OK;
-}
-
-#ifndef SQLITE_OMIT_GET_TABLE
-
-/*
-** Usage:  sqlite3_get_table_printf  DB  FORMAT  STRING  ?--no-counts?
-**
-** Invoke the sqlite3_get_table_printf() interface using the open database
-** DB.  The SQL is the string FORMAT.  The format string should contain
-** one %s or %q.  STRING is the value inserted into %s or %q.
-*/
-static int test_get_table_printf(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  sqlite3 *db;
-  Tcl_DString str;
-  int rc;
-  char *zErr = 0;
-  int nRow, nCol;
-  char **aResult;
-  int i;
-  char zBuf[30];
-  char *zSql;
-  int resCount = -1;
-  if( argc==5 ){
-    if( Tcl_GetInt(interp, argv[4], &resCount) ) return TCL_ERROR;
-  }
-  if( argc!=4 && argc!=5 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
-       " DB FORMAT STRING ?COUNT?", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  Tcl_DStringInit(&str);
-  zSql = sqlite3_mprintf(argv[2],argv[3]);
-  if( argc==5 ){
-    rc = sqlite3_get_table(db, zSql, &aResult, 0, 0, &zErr);
-  }else{
-    rc = sqlite3_get_table(db, zSql, &aResult, &nRow, &nCol, &zErr);
-    resCount = (nRow+1)*nCol;
-  }
-  sqlite3_free(zSql);
-  sprintf(zBuf, "%d", rc);
-  Tcl_AppendElement(interp, zBuf);
-  if( rc==SQLITE_OK ){
-    if( argc==4 ){
-      sprintf(zBuf, "%d", nRow);
-      Tcl_AppendElement(interp, zBuf);
-      sprintf(zBuf, "%d", nCol);
-      Tcl_AppendElement(interp, zBuf);
-    }
-    for(i=0; i<resCount; i++){
-      Tcl_AppendElement(interp, aResult[i] ? aResult[i] : "NULL");
-    }
-  }else{
-    Tcl_AppendElement(interp, zErr);
-  }
-  sqlite3_free_table(aResult);
-  if( zErr ) sqlite3_free(zErr);
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  return TCL_OK;
-}
-
-#endif /* SQLITE_OMIT_GET_TABLE */
-
-
-/*
-** Usage:  sqlite3_last_insert_rowid DB
-**
-** Returns the integer ROWID of the most recent insert.
-*/
-static int test_last_rowid(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  sqlite3 *db;
-  char zBuf[30];
-
-  if( argc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB\"", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  sprintf(zBuf, "%lld", sqlite3_last_insert_rowid(db));
-  Tcl_AppendResult(interp, zBuf, 0);
-  return SQLITE_OK;
-}
-
-/*
-** Usage:  sqlite3_key DB KEY
-**
-** Set the codec key.
-*/
-static int test_key(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-#ifdef SQLITE_HAS_CODEC
-  sqlite3 *db;
-  const char *zKey;
-  int nKey;
-  if( argc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " FILENAME\"", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  zKey = argv[2];
-  nKey = strlen(zKey);
-  sqlite3_key(db, zKey, nKey);
-#endif
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_rekey DB KEY
-**
-** Change the codec key.
-*/
-static int test_rekey(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-#ifdef SQLITE_HAS_CODEC
-  sqlite3 *db;
-  const char *zKey;
-  int nKey;
-  if( argc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " FILENAME\"", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  zKey = argv[2];
-  nKey = strlen(zKey);
-  sqlite3_rekey(db, zKey, nKey);
-#endif
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_close DB
-**
-** Closes the database opened by sqlite3_open.
-*/
-static int sqlite_test_close(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  sqlite3 *db;
-  int rc;
-  if( argc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " FILENAME\"", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  rc = sqlite3_close(db);
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_close_v2 DB
-**
-** Closes the database opened by sqlite3_open.
-*/
-static int sqlite_test_close_v2(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  sqlite3 *db;
-  int rc;
-  if( argc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " FILENAME\"", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  rc = sqlite3_close_v2(db);
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
-  return TCL_OK;
-}
-
-/*
-** Implementation of the x_coalesce() function.
-** Return the first argument non-NULL argument.
-*/
-static void t1_ifnullFunc(
-  sqlite3_context *context,
-  int argc,
-  sqlite3_value **argv
-){
-  int i;
-  for(i=0; i<argc; i++){
-    if( SQLITE_NULL!=sqlite3_value_type(argv[i]) ){
-      int n = sqlite3_value_bytes(argv[i]);
-      sqlite3_result_text(context, (char*)sqlite3_value_text(argv[i]),
-          n, SQLITE_TRANSIENT);
-      break;
-    }
-  }
-}
-
-/*
-** These are test functions.    hex8() interprets its argument as
-** UTF8 and returns a hex encoding.  hex16le() interprets its argument
-** as UTF16le and returns a hex encoding.
-*/
-static void hex8Func(sqlite3_context *p, int argc, sqlite3_value **argv){
-  const unsigned char *z;
-  int i;
-  char zBuf[200];
-  z = sqlite3_value_text(argv[0]);
-  for(i=0; i<sizeof(zBuf)/2 - 2 && z[i]; i++){
-    sprintf(&zBuf[i*2], "%02x", z[i]&0xff);
-  }
-  zBuf[i*2] = 0;
-  sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
-}
-#ifndef SQLITE_OMIT_UTF16
-static void hex16Func(sqlite3_context *p, int argc, sqlite3_value **argv){
-  const unsigned short int *z;
-  int i;
-  char zBuf[400];
-  z = sqlite3_value_text16(argv[0]);
-  for(i=0; i<sizeof(zBuf)/4 - 4 && z[i]; i++){
-    sprintf(&zBuf[i*4], "%04x", z[i]&0xff);
-  }
-  zBuf[i*4] = 0;
-  sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
-}
-#endif
-
-/*
-** A structure into which to accumulate text.
-*/
-struct dstr {
-  int nAlloc;  /* Space allocated */
-  int nUsed;   /* Space used */
-  char *z;     /* The space */
-};
-
-/*
-** Append text to a dstr
-*/
-static void dstrAppend(struct dstr *p, const char *z, int divider){
-  int n = (int)strlen(z);
-  if( p->nUsed + n + 2 > p->nAlloc ){
-    char *zNew;
-    p->nAlloc = p->nAlloc*2 + n + 200;
-    zNew = sqlite3_realloc(p->z, p->nAlloc);
-    if( zNew==0 ){
-      sqlite3_free(p->z);
-      memset(p, 0, sizeof(*p));
-      return;
-    }
-    p->z = zNew;
-  }
-  if( divider && p->nUsed>0 ){
-    p->z[p->nUsed++] = divider;
-  }
-  memcpy(&p->z[p->nUsed], z, n+1);
-  p->nUsed += n;
-}
-
-/*
-** Invoked for each callback from sqlite3ExecFunc
-*/
-static int execFuncCallback(void *pData, int argc, char **argv, char **NotUsed){
-  struct dstr *p = (struct dstr*)pData;
-  int i;
-  for(i=0; i<argc; i++){
-    if( argv[i]==0 ){
-      dstrAppend(p, "NULL", ' ');
-    }else{
-      dstrAppend(p, argv[i], ' ');
-    }
-  }
-  return 0;
-}
-
-/*
-** Implementation of the x_sqlite_exec() function.  This function takes
-** a single argument and attempts to execute that argument as SQL code.
-** This is illegal and should set the SQLITE_MISUSE flag on the database.
-**
-** 2004-Jan-07:  We have changed this to make it legal to call sqlite3_exec()
-** from within a function call.  
-** 
-** This routine simulates the effect of having two threads attempt to
-** use the same database at the same time.
-*/
-static void sqlite3ExecFunc(
-  sqlite3_context *context, 
-  int argc,  
-  sqlite3_value **argv
-){
-  struct dstr x;
-  memset(&x, 0, sizeof(x));
-  (void)sqlite3_exec((sqlite3*)sqlite3_user_data(context),
-      (char*)sqlite3_value_text(argv[0]),
-      execFuncCallback, &x, 0);
-  sqlite3_result_text(context, x.z, x.nUsed, SQLITE_TRANSIENT);
-  sqlite3_free(x.z);
-}
-
-/*
-** Implementation of tkt2213func(), a scalar function that takes exactly
-** one argument. It has two interesting features:
-**
-** * It calls sqlite3_value_text() 3 times on the argument sqlite3_value*.
-**   If the three pointers returned are not the same an SQL error is raised.
-**
-** * Otherwise it returns a copy of the text representation of its 
-**   argument in such a way as the VDBE representation is a Mem* cell 
-**   with the MEM_Term flag clear. 
-**
-** Ticket #2213 can therefore be tested by evaluating the following
-** SQL expression:
-**
-**   tkt2213func(tkt2213func('a string'));
-*/
-static void tkt2213Function(
-  sqlite3_context *context, 
-  int argc,  
-  sqlite3_value **argv
-){
-  int nText;
-  unsigned char const *zText1;
-  unsigned char const *zText2;
-  unsigned char const *zText3;
-
-  nText = sqlite3_value_bytes(argv[0]);
-  zText1 = sqlite3_value_text(argv[0]);
-  zText2 = sqlite3_value_text(argv[0]);
-  zText3 = sqlite3_value_text(argv[0]);
-
-  if( zText1!=zText2 || zText2!=zText3 ){
-    sqlite3_result_error(context, "tkt2213 is not fixed", -1);
-  }else{
-    char *zCopy = (char *)sqlite3_malloc(nText);
-    memcpy(zCopy, zText1, nText);
-    sqlite3_result_text(context, zCopy, nText, sqlite3_free);
-  }
-}
-
-/*
-** The following SQL function takes 4 arguments.  The 2nd and
-** 4th argument must be one of these strings:  'text', 'text16',
-** or 'blob' corresponding to API functions
-**
-**      sqlite3_value_text()
-**      sqlite3_value_text16()
-**      sqlite3_value_blob()
-**
-** The third argument is a string, either 'bytes' or 'bytes16' or 'noop',
-** corresponding to APIs:
-**
-**      sqlite3_value_bytes()
-**      sqlite3_value_bytes16()
-**      noop
-**
-** The APIs designated by the 2nd through 4th arguments are applied
-** to the first argument in order.  If the pointers returned by the
-** second and fourth are different, this routine returns 1.  Otherwise,
-** this routine returns 0.
-**
-** This function is used to test to see when returned pointers from
-** the _text(), _text16() and _blob() APIs become invalidated.
-*/
-static void ptrChngFunction(
-  sqlite3_context *context, 
-  int argc,  
-  sqlite3_value **argv
-){
-  const void *p1, *p2;
-  const char *zCmd;
-  if( argc!=4 ) return;
-  zCmd = (const char*)sqlite3_value_text(argv[1]);
-  if( zCmd==0 ) return;
-  if( strcmp(zCmd,"text")==0 ){
-    p1 = (const void*)sqlite3_value_text(argv[0]);
-#ifndef SQLITE_OMIT_UTF16
-  }else if( strcmp(zCmd, "text16")==0 ){
-    p1 = (const void*)sqlite3_value_text16(argv[0]);
-#endif
-  }else if( strcmp(zCmd, "blob")==0 ){
-    p1 = (const void*)sqlite3_value_blob(argv[0]);
-  }else{
-    return;
-  }
-  zCmd = (const char*)sqlite3_value_text(argv[2]);
-  if( zCmd==0 ) return;
-  if( strcmp(zCmd,"bytes")==0 ){
-    sqlite3_value_bytes(argv[0]);
-#ifndef SQLITE_OMIT_UTF16
-  }else if( strcmp(zCmd, "bytes16")==0 ){
-    sqlite3_value_bytes16(argv[0]);
-#endif
-  }else if( strcmp(zCmd, "noop")==0 ){
-    /* do nothing */
-  }else{
-    return;
-  }
-  zCmd = (const char*)sqlite3_value_text(argv[3]);
-  if( zCmd==0 ) return;
-  if( strcmp(zCmd,"text")==0 ){
-    p2 = (const void*)sqlite3_value_text(argv[0]);
-#ifndef SQLITE_OMIT_UTF16
-  }else if( strcmp(zCmd, "text16")==0 ){
-    p2 = (const void*)sqlite3_value_text16(argv[0]);
-#endif
-  }else if( strcmp(zCmd, "blob")==0 ){
-    p2 = (const void*)sqlite3_value_blob(argv[0]);
-  }else{
-    return;
-  }
-  sqlite3_result_int(context, p1!=p2);
-}
-
-/*
-** This SQL function returns a different answer each time it is called, even if
-** the arguments are the same.
-*/
-static void nondeterministicFunction(
-  sqlite3_context *context, 
-  int argc,  
-  sqlite3_value **argv
-){
-  static int cnt = 0;
-  sqlite3_result_int(context, cnt++);
-}
-
-/*
-** Usage:  sqlite3_create_function DB
-**
-** Call the sqlite3_create_function API on the given database in order
-** to create a function named "x_coalesce".  This function does the same thing
-** as the "coalesce" function.  This function also registers an SQL function
-** named "x_sqlite_exec" that invokes sqlite3_exec().  Invoking sqlite3_exec()
-** in this way is illegal recursion and should raise an SQLITE_MISUSE error.
-** The effect is similar to trying to use the same database connection from
-** two threads at the same time.
-**
-** The original motivation for this routine was to be able to call the
-** sqlite3_create_function function while a query is in progress in order
-** to test the SQLITE_MISUSE detection logic.
-*/
-static int test_create_function(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  int rc;
-  sqlite3 *db;
-
-  if( argc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " DB\"", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  rc = sqlite3_create_function(db, "x_coalesce", -1, SQLITE_UTF8, 0, 
-        t1_ifnullFunc, 0, 0);
-  if( rc==SQLITE_OK ){
-    rc = sqlite3_create_function(db, "hex8", 1, SQLITE_UTF8 | SQLITE_DETERMINISTIC,
-          0, hex8Func, 0, 0);
-  }
-#ifndef SQLITE_OMIT_UTF16
-  if( rc==SQLITE_OK ){
-    rc = sqlite3_create_function(db, "hex16", 1, SQLITE_UTF16 | SQLITE_DETERMINISTIC,
-          0, hex16Func, 0, 0);
-  }
-#endif
-  if( rc==SQLITE_OK ){
-    rc = sqlite3_create_function(db, "tkt2213func", 1, SQLITE_ANY, 0, 
-          tkt2213Function, 0, 0);
-  }
-  if( rc==SQLITE_OK ){
-    rc = sqlite3_create_function(db, "pointer_change", 4, SQLITE_ANY, 0, 
-          ptrChngFunction, 0, 0);
-  }
-
-  /* Functions counter1() and counter2() have the same implementation - they
-  ** both return an ascending integer with each call.  But counter1() is marked
-  ** as non-deterministic and counter2() is marked as deterministic.
-  */
-  if( rc==SQLITE_OK ){
-    rc = sqlite3_create_function(db, "counter1", -1, SQLITE_UTF8,
-          0, nondeterministicFunction, 0, 0);
-  }
-  if( rc==SQLITE_OK ){
-    rc = sqlite3_create_function(db, "counter2", -1, SQLITE_UTF8|SQLITE_DETERMINISTIC,
-          0, nondeterministicFunction, 0, 0);
-  }
-
-#ifndef SQLITE_OMIT_UTF16
-  /* Use the sqlite3_create_function16() API here. Mainly for fun, but also 
-  ** because it is not tested anywhere else. */
-  if( rc==SQLITE_OK ){
-    const void *zUtf16;
-    sqlite3_value *pVal;
-    sqlite3_mutex_enter(db->mutex);
-    pVal = sqlite3ValueNew(db);
-    sqlite3ValueSetStr(pVal, -1, "x_sqlite_exec", SQLITE_UTF8, SQLITE_STATIC);
-    zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
-    if( db->mallocFailed ){
-      rc = SQLITE_NOMEM;
-    }else{
-      rc = sqlite3_create_function16(db, zUtf16, 
-                1, SQLITE_UTF16, db, sqlite3ExecFunc, 0, 0);
-    }
-    sqlite3ValueFree(pVal);
-    sqlite3_mutex_leave(db->mutex);
-  }
-#endif
-
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
-  return TCL_OK;
-}
-
-/*
-** Routines to implement the x_count() aggregate function.
-**
-** x_count() counts the number of non-null arguments.  But there are
-** some twists for testing purposes.
-**
-** If the argument to x_count() is 40 then a UTF-8 error is reported
-** on the step function.  If x_count(41) is seen, then a UTF-16 error
-** is reported on the step function.  If the total count is 42, then
-** a UTF-8 error is reported on the finalize function.
-*/
-typedef struct t1CountCtx t1CountCtx;
-struct t1CountCtx {
-  int n;
-};
-static void t1CountStep(
-  sqlite3_context *context,
-  int argc,
-  sqlite3_value **argv
-){
-  t1CountCtx *p;
-  p = sqlite3_aggregate_context(context, sizeof(*p));
-  if( (argc==0 || SQLITE_NULL!=sqlite3_value_type(argv[0]) ) && p ){
-    p->n++;
-  }
-  if( argc>0 ){
-    int v = sqlite3_value_int(argv[0]);
-    if( v==40 ){
-      sqlite3_result_error(context, "value of 40 handed to x_count", -1);
-#ifndef SQLITE_OMIT_UTF16
-    }else if( v==41 ){
-      const char zUtf16ErrMsg[] = { 0, 0x61, 0, 0x62, 0, 0x63, 0, 0, 0};
-      sqlite3_result_error16(context, &zUtf16ErrMsg[1-SQLITE_BIGENDIAN], -1);
-#endif
-    }
-  }
-}   
-static void t1CountFinalize(sqlite3_context *context){
-  t1CountCtx *p;
-  p = sqlite3_aggregate_context(context, sizeof(*p));
-  if( p ){
-    if( p->n==42 ){
-      sqlite3_result_error(context, "x_count totals to 42", -1);
-    }else{
-      sqlite3_result_int(context, p ? p->n : 0);
-    }
-  }
-}
-
-#ifndef SQLITE_OMIT_DEPRECATED
-static void legacyCountStep(
-  sqlite3_context *context,
-  int argc,
-  sqlite3_value **argv
-){
-  /* no-op */
-}
-
-static void legacyCountFinalize(sqlite3_context *context){
-  sqlite3_result_int(context, sqlite3_aggregate_count(context));
-}
-#endif
-
-/*
-** Usage:  sqlite3_create_aggregate DB
-**
-** Call the sqlite3_create_function API on the given database in order
-** to create a function named "x_count".  This function is similar
-** to the built-in count() function, with a few special quirks
-** for testing the sqlite3_result_error() APIs.
-**
-** The original motivation for this routine was to be able to call the
-** sqlite3_create_aggregate function while a query is in progress in order
-** to test the SQLITE_MISUSE detection logic.  See misuse.test.
-**
-** This routine was later extended to test the use of sqlite3_result_error()
-** within aggregate functions.
-**
-** Later: It is now also extended to register the aggregate function
-** "legacy_count()" with the supplied database handle. This is used
-** to test the deprecated sqlite3_aggregate_count() API.
-*/
-static int test_create_aggregate(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  sqlite3 *db;
-  int rc;
-  if( argc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " FILENAME\"", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  rc = sqlite3_create_function(db, "x_count", 0, SQLITE_UTF8, 0, 0,
-      t1CountStep,t1CountFinalize);
-  if( rc==SQLITE_OK ){
-    rc = sqlite3_create_function(db, "x_count", 1, SQLITE_UTF8, 0, 0,
-        t1CountStep,t1CountFinalize);
-  }
-#ifndef SQLITE_OMIT_DEPRECATED
-  if( rc==SQLITE_OK ){
-    rc = sqlite3_create_function(db, "legacy_count", 0, SQLITE_ANY, 0, 0,
-        legacyCountStep, legacyCountFinalize
-    );
-  }
-#endif
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
-  return TCL_OK;
-}
-
-
-/*
-** Usage:  printf TEXT
-**
-** Send output to printf.  Use this rather than puts to merge the output
-** in the correct sequence with debugging printfs inserted into C code.
-** Puts uses a separate buffer and debugging statements will be out of
-** sequence if it is used.
-*/
-static int test_printf(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  if( argc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " TEXT\"", 0);
-    return TCL_ERROR;
-  }
-  printf("%s\n", argv[1]);
-  return TCL_OK;
-}
-
-
-
-/*
-** Usage:  sqlite3_mprintf_int FORMAT INTEGER INTEGER INTEGER
-**
-** Call mprintf with three integer arguments
-*/
-static int sqlite3_mprintf_int(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  int a[3], i;
-  char *z;
-  if( argc!=5 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " FORMAT INT INT INT\"", 0);
-    return TCL_ERROR;
-  }
-  for(i=2; i<5; i++){
-    if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
-  }
-  z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
-  Tcl_AppendResult(interp, z, 0);
-  sqlite3_free(z);
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_mprintf_int64 FORMAT INTEGER INTEGER INTEGER
-**
-** Call mprintf with three 64-bit integer arguments
-*/
-static int sqlite3_mprintf_int64(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  int i;
-  sqlite_int64 a[3];
-  char *z;
-  if( argc!=5 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " FORMAT INT INT INT\"", 0);
-    return TCL_ERROR;
-  }
-  for(i=2; i<5; i++){
-    if( sqlite3Atoi64(argv[i], &a[i-2], 1000000, SQLITE_UTF8) ){
-      Tcl_AppendResult(interp, "argument is not a valid 64-bit integer", 0);
-      return TCL_ERROR;
-    }
-  }
-  z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
-  Tcl_AppendResult(interp, z, 0);
-  sqlite3_free(z);
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_mprintf_long FORMAT INTEGER INTEGER INTEGER
-**
-** Call mprintf with three long integer arguments.   This might be the
-** same as sqlite3_mprintf_int or sqlite3_mprintf_int64, depending on
-** platform.
-*/
-static int sqlite3_mprintf_long(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  int i;
-  long int a[3];
-  int b[3];
-  char *z;
-  if( argc!=5 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " FORMAT INT INT INT\"", 0);
-    return TCL_ERROR;
-  }
-  for(i=2; i<5; i++){
-    if( Tcl_GetInt(interp, argv[i], &b[i-2]) ) return TCL_ERROR;
-    a[i-2] = (long int)b[i-2];
-    a[i-2] &= (((u64)1)<<(sizeof(int)*8))-1;
-  }
-  z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
-  Tcl_AppendResult(interp, z, 0);
-  sqlite3_free(z);
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_mprintf_str FORMAT INTEGER INTEGER STRING
-**
-** Call mprintf with two integer arguments and one string argument
-*/
-static int sqlite3_mprintf_str(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  int a[3], i;
-  char *z;
-  if( argc<4 || argc>5 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " FORMAT INT INT ?STRING?\"", 0);
-    return TCL_ERROR;
-  }
-  for(i=2; i<4; i++){
-    if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
-  }
-  z = sqlite3_mprintf(argv[1], a[0], a[1], argc>4 ? argv[4] : NULL);
-  Tcl_AppendResult(interp, z, 0);
-  sqlite3_free(z);
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_snprintf_str INTEGER FORMAT INTEGER INTEGER STRING
-**
-** Call mprintf with two integer arguments and one string argument
-*/
-static int sqlite3_snprintf_str(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  int a[3], i;
-  int n;
-  char *z;
-  if( argc<5 || argc>6 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " INT FORMAT INT INT ?STRING?\"", 0);
-    return TCL_ERROR;
-  }
-  if( Tcl_GetInt(interp, argv[1], &n) ) return TCL_ERROR;
-  if( n<0 ){
-    Tcl_AppendResult(interp, "N must be non-negative", 0);
-    return TCL_ERROR;
-  }
-  for(i=3; i<5; i++){
-    if( Tcl_GetInt(interp, argv[i], &a[i-3]) ) return TCL_ERROR;
-  }
-  z = sqlite3_malloc( n+1 );
-  sqlite3_snprintf(n, z, argv[2], a[0], a[1], argc>4 ? argv[5] : NULL);
-  Tcl_AppendResult(interp, z, 0);
-  sqlite3_free(z);
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_mprintf_double FORMAT INTEGER INTEGER DOUBLE
-**
-** Call mprintf with two integer arguments and one double argument
-*/
-static int sqlite3_mprintf_double(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  int a[3], i;
-  double r;
-  char *z;
-  if( argc!=5 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " FORMAT INT INT DOUBLE\"", 0);
-    return TCL_ERROR;
-  }
-  for(i=2; i<4; i++){
-    if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
-  }
-  if( Tcl_GetDouble(interp, argv[4], &r) ) return TCL_ERROR;
-  z = sqlite3_mprintf(argv[1], a[0], a[1], r);
-  Tcl_AppendResult(interp, z, 0);
-  sqlite3_free(z);
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_mprintf_scaled FORMAT DOUBLE DOUBLE
-**
-** Call mprintf with a single double argument which is the product of the
-** two arguments given above.  This is used to generate overflow and underflow
-** doubles to test that they are converted properly.
-*/
-static int sqlite3_mprintf_scaled(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  int i;
-  double r[2];
-  char *z;
-  if( argc!=4 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " FORMAT DOUBLE DOUBLE\"", 0);
-    return TCL_ERROR;
-  }
-  for(i=2; i<4; i++){
-    if( Tcl_GetDouble(interp, argv[i], &r[i-2]) ) return TCL_ERROR;
-  }
-  z = sqlite3_mprintf(argv[1], r[0]*r[1]);
-  Tcl_AppendResult(interp, z, 0);
-  sqlite3_free(z);
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_mprintf_stronly FORMAT STRING
-**
-** Call mprintf with a single double argument which is the product of the
-** two arguments given above.  This is used to generate overflow and underflow
-** doubles to test that they are converted properly.
-*/
-static int sqlite3_mprintf_stronly(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  char *z;
-  if( argc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " FORMAT STRING\"", 0);
-    return TCL_ERROR;
-  }
-  z = sqlite3_mprintf(argv[1], argv[2]);
-  Tcl_AppendResult(interp, z, 0);
-  sqlite3_free(z);
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_mprintf_hexdouble FORMAT HEX
-**
-** Call mprintf with a single double argument which is derived from the
-** hexadecimal encoding of an IEEE double.
-*/
-static int sqlite3_mprintf_hexdouble(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  char *z;
-  double r;
-  unsigned int x1, x2;
-  sqlite_uint64 d;
-  if( argc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-       " FORMAT STRING\"", 0);
-    return TCL_ERROR;
-  }
-  if( sscanf(argv[2], "%08x%08x", &x2, &x1)!=2 ){
-    Tcl_AppendResult(interp, "2nd argument should be 16-characters of hex", 0);
-    return TCL_ERROR;
-  }
-  d = x2;
-  d = (d<<32) + x1;
-  memcpy(&r, &d, sizeof(r));
-  z = sqlite3_mprintf(argv[1], r);
-  Tcl_AppendResult(interp, z, 0);
-  sqlite3_free(z);
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_enable_shared_cache ?BOOLEAN?
-**
-*/
-#if !defined(SQLITE_OMIT_SHARED_CACHE)
-static int test_enable_shared(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  int rc;
-  int enable;
-  int ret = 0;
-
-  if( objc!=2 && objc!=1 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "?BOOLEAN?");
-    return TCL_ERROR;
-  }
-  ret = sqlite3GlobalConfig.sharedCacheEnabled;
-
-  if( objc==2 ){
-    if( Tcl_GetBooleanFromObj(interp, objv[1], &enable) ){
-      return TCL_ERROR;
-    }
-    rc = sqlite3_enable_shared_cache(enable);
-    if( rc!=SQLITE_OK ){
-      Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
-      return TCL_ERROR;
-    }
-  }
-  Tcl_SetObjResult(interp, Tcl_NewBooleanObj(ret));
-  return TCL_OK;
-}
-#endif
-
-
-
-/*
-** Usage: sqlite3_extended_result_codes   DB    BOOLEAN
-**
-*/
-static int test_extended_result_codes(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  int enable;
-  sqlite3 *db;
-
-  if( objc!=3 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB BOOLEAN");
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  if( Tcl_GetBooleanFromObj(interp, objv[2], &enable) ) return TCL_ERROR;
-  sqlite3_extended_result_codes(db, enable);
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_libversion_number
-**
-*/
-static int test_libversion_number(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_libversion_number()));
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_table_column_metadata DB dbname tblname colname
-**
-*/
-#ifdef SQLITE_ENABLE_COLUMN_METADATA
-static int test_table_column_metadata(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3 *db;
-  const char *zDb;
-  const char *zTbl;
-  const char *zCol;
-  int rc;
-  Tcl_Obj *pRet;
-
-  const char *zDatatype;
-  const char *zCollseq;
-  int notnull;
-  int primarykey;
-  int autoincrement;
-
-  if( objc!=5 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB dbname tblname colname");
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  zDb = Tcl_GetString(objv[2]);
-  zTbl = Tcl_GetString(objv[3]);
-  zCol = Tcl_GetString(objv[4]);
-
-  if( strlen(zDb)==0 ) zDb = 0;
-
-  rc = sqlite3_table_column_metadata(db, zDb, zTbl, zCol, 
-      &zDatatype, &zCollseq, &notnull, &primarykey, &autoincrement);
-
-  if( rc!=SQLITE_OK ){
-    Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
-    return TCL_ERROR;
-  }
-
-  pRet = Tcl_NewObj();
-  Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zDatatype, -1));
-  Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zCollseq, -1));
-  Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(notnull));
-  Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(primarykey));
-  Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(autoincrement));
-  Tcl_SetObjResult(interp, pRet);
-
-  return TCL_OK;
-}
-#endif
-
-#ifndef SQLITE_OMIT_INCRBLOB
-
-static int blobHandleFromObj(
-  Tcl_Interp *interp, 
-  Tcl_Obj *pObj,
-  sqlite3_blob **ppBlob
-){
-  char *z;
-  int n;
-
-  z = Tcl_GetStringFromObj(pObj, &n);
-  if( n==0 ){
-    *ppBlob = 0;
-  }else{
-    int notUsed;
-    Tcl_Channel channel;
-    ClientData instanceData;
-    
-    channel = Tcl_GetChannel(interp, z, &notUsed);
-    if( !channel ) return TCL_ERROR;
-
-    Tcl_Flush(channel);
-    Tcl_Seek(channel, 0, SEEK_SET);
-
-    instanceData = Tcl_GetChannelInstanceData(channel);
-    *ppBlob = *((sqlite3_blob **)instanceData);
-  }
-
-  return TCL_OK;
-}
-
-/*
-** sqlite3_blob_bytes  CHANNEL
-*/
-static int test_blob_bytes(
-  ClientData clientData, /* Not used */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3_blob *pBlob;
-  int nByte;
-  
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL");
-    return TCL_ERROR;
-  }
-
-  if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
-  nByte = sqlite3_blob_bytes(pBlob);
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(nByte));
-
-  return TCL_OK;
-}
-
-/*
-** sqlite3_blob_close  CHANNEL
-*/
-static int test_blob_close(
-  ClientData clientData, /* Not used */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3_blob *pBlob;
-  
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL");
-    return TCL_ERROR;
-  }
-
-  if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
-  sqlite3_blob_close(pBlob);
-
-  return TCL_OK;
-}
-
-/*
-** sqlite3_blob_read  CHANNEL OFFSET N
-**
-**   This command is used to test the sqlite3_blob_read() in ways that
-**   the Tcl channel interface does not. The first argument should
-**   be the name of a valid channel created by the [incrblob] method
-**   of a database handle. This function calls sqlite3_blob_read()
-**   to read N bytes from offset OFFSET from the underlying SQLite
-**   blob handle.
-**
-**   On success, a byte-array object containing the read data is 
-**   returned. On failure, the interpreter result is set to the
-**   text representation of the returned error code (i.e. "SQLITE_NOMEM")
-**   and a Tcl exception is thrown.
-*/
-static int test_blob_read(
-  ClientData clientData, /* Not used */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3_blob *pBlob;
-  int nByte;
-  int iOffset;
-  unsigned char *zBuf = 0;
-  int rc;
-  
-  if( objc!=4 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL OFFSET N");
-    return TCL_ERROR;
-  }
-
-  if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
-  if( TCL_OK!=Tcl_GetIntFromObj(interp, objv[2], &iOffset)
-   || TCL_OK!=Tcl_GetIntFromObj(interp, objv[3], &nByte)
-  ){ 
-    return TCL_ERROR;
-  }
-
-  if( nByte>0 ){
-    zBuf = (unsigned char *)Tcl_Alloc(nByte);
-  }
-  rc = sqlite3_blob_read(pBlob, zBuf, nByte, iOffset);
-  if( rc==SQLITE_OK ){
-    Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zBuf, nByte));
-  }else{
-    Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
-  }
-  Tcl_Free((char *)zBuf);
-
-  return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
-}
-
-/*
-** sqlite3_blob_write CHANNEL OFFSET DATA ?NDATA?
-**
-**   This command is used to test the sqlite3_blob_write() in ways that
-**   the Tcl channel interface does not. The first argument should
-**   be the name of a valid channel created by the [incrblob] method
-**   of a database handle. This function calls sqlite3_blob_write()
-**   to write the DATA byte-array to the underlying SQLite blob handle.
-**   at offset OFFSET.
-**
-**   On success, an empty string is returned. On failure, the interpreter
-**   result is set to the text representation of the returned error code 
-**   (i.e. "SQLITE_NOMEM") and a Tcl exception is thrown.
-*/
-static int test_blob_write(
-  ClientData clientData, /* Not used */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3_blob *pBlob;
-  int iOffset;
-  int rc;
-
-  unsigned char *zBuf;
-  int nBuf;
-  
-  if( objc!=4 && objc!=5 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL OFFSET DATA ?NDATA?");
-    return TCL_ERROR;
-  }
-
-  if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
-  if( TCL_OK!=Tcl_GetIntFromObj(interp, objv[2], &iOffset) ){ 
-    return TCL_ERROR;
-  }
-
-  zBuf = Tcl_GetByteArrayFromObj(objv[3], &nBuf);
-  if( objc==5 && Tcl_GetIntFromObj(interp, objv[4], &nBuf) ){
-    return TCL_ERROR;
-  }
-  rc = sqlite3_blob_write(pBlob, zBuf, nBuf, iOffset);
-  if( rc!=SQLITE_OK ){
-    Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
-  }
-
-  return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
-}
-
-static int test_blob_reopen(
-  ClientData clientData, /* Not used */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  Tcl_WideInt iRowid;
-  sqlite3_blob *pBlob;
-  int rc;
-
-  if( objc!=3 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL ROWID");
-    return TCL_ERROR;
-  }
-
-  if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
-  if( Tcl_GetWideIntFromObj(interp, objv[2], &iRowid) ) return TCL_ERROR;
-
-  rc = sqlite3_blob_reopen(pBlob, iRowid);
-  if( rc!=SQLITE_OK ){
-    Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_VOLATILE);
-  }
-
-  return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
-}
-
-#endif
-
-/*
-** Usage: sqlite3_create_collation_v2 DB-HANDLE NAME CMP-PROC DEL-PROC
-**
-**   This Tcl proc is used for testing the experimental
-**   sqlite3_create_collation_v2() interface.
-*/
-struct TestCollationX {
-  Tcl_Interp *interp;
-  Tcl_Obj *pCmp;
-  Tcl_Obj *pDel;
-};
-typedef struct TestCollationX TestCollationX;
-static void testCreateCollationDel(void *pCtx){
-  TestCollationX *p = (TestCollationX *)pCtx;
-
-  int rc = Tcl_EvalObjEx(p->interp, p->pDel, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL);
-  if( rc!=TCL_OK ){
-    Tcl_BackgroundError(p->interp);
-  }
-
-  Tcl_DecrRefCount(p->pCmp);
-  Tcl_DecrRefCount(p->pDel);
-  sqlite3_free((void *)p);
-}
-static int testCreateCollationCmp(
-  void *pCtx,
-  int nLeft,
-  const void *zLeft,
-  int nRight,
-  const void *zRight
-){
-  TestCollationX *p = (TestCollationX *)pCtx;
-  Tcl_Obj *pScript = Tcl_DuplicateObj(p->pCmp);
-  int iRes = 0;
-
-  Tcl_IncrRefCount(pScript);
-  Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zLeft, nLeft));
-  Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zRight,nRight));
-
-  if( TCL_OK!=Tcl_EvalObjEx(p->interp, pScript, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL)
-   || TCL_OK!=Tcl_GetIntFromObj(p->interp, Tcl_GetObjResult(p->interp), &iRes)
-  ){
-    Tcl_BackgroundError(p->interp);
-  }
-  Tcl_DecrRefCount(pScript);
-
-  return iRes;
-}
-static int test_create_collation_v2(
-  ClientData clientData, /* Not used */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  TestCollationX *p;
-  sqlite3 *db;
-  int rc;
-
-  if( objc!=5 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE NAME CMP-PROC DEL-PROC");
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-
-  p = (TestCollationX *)sqlite3_malloc(sizeof(TestCollationX));
-  p->pCmp = objv[3];
-  p->pDel = objv[4];
-  p->interp = interp;
-  Tcl_IncrRefCount(p->pCmp);
-  Tcl_IncrRefCount(p->pDel);
-
-  rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), 16, 
-      (void *)p, testCreateCollationCmp, testCreateCollationDel
-  );
-  if( rc!=SQLITE_MISUSE ){
-    Tcl_AppendResult(interp, "sqlite3_create_collate_v2() failed to detect "
-      "an invalid encoding", (char*)0);
-    return TCL_ERROR;
-  }
-  rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), SQLITE_UTF8, 
-      (void *)p, testCreateCollationCmp, testCreateCollationDel
-  );
-  return TCL_OK;
-}
-
-/*
-** USAGE: sqlite3_create_function_v2 DB NAME NARG ENC ?SWITCHES?
-**
-** Available switches are:
-**
-**   -func    SCRIPT
-**   -step    SCRIPT
-**   -final   SCRIPT
-**   -destroy SCRIPT
-*/
-typedef struct CreateFunctionV2 CreateFunctionV2;
-struct CreateFunctionV2 {
-  Tcl_Interp *interp;
-  Tcl_Obj *pFunc;                 /* Script for function invocation */
-  Tcl_Obj *pStep;                 /* Script for agg. step invocation */
-  Tcl_Obj *pFinal;                /* Script for agg. finalization invocation */
-  Tcl_Obj *pDestroy;              /* Destructor script */
-};
-static void cf2Func(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
-}
-static void cf2Step(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
-}
-static void cf2Final(sqlite3_context *ctx){
-}
-static void cf2Destroy(void *pUser){
-  CreateFunctionV2 *p = (CreateFunctionV2 *)pUser;
-
-  if( p->interp && p->pDestroy ){
-    int rc = Tcl_EvalObjEx(p->interp, p->pDestroy, 0);
-    if( rc!=TCL_OK ) Tcl_BackgroundError(p->interp);
-  }
-
-  if( p->pFunc ) Tcl_DecrRefCount(p->pFunc); 
-  if( p->pStep ) Tcl_DecrRefCount(p->pStep); 
-  if( p->pFinal ) Tcl_DecrRefCount(p->pFinal); 
-  if( p->pDestroy ) Tcl_DecrRefCount(p->pDestroy); 
-  sqlite3_free(p);
-}
-static int test_create_function_v2(
-  ClientData clientData,          /* Not used */
-  Tcl_Interp *interp,             /* The invoking TCL interpreter */
-  int objc,                       /* Number of arguments */
-  Tcl_Obj *CONST objv[]           /* Command arguments */
-){
-  sqlite3 *db;
-  const char *zFunc;
-  int nArg;
-  int enc;
-  CreateFunctionV2 *p;
-  int i;
-  int rc;
-
-  struct EncTable {
-    const char *zEnc;
-    int enc;
-  } aEnc[] = {
-    {"utf8",    SQLITE_UTF8 },
-    {"utf16",   SQLITE_UTF16 },
-    {"utf16le", SQLITE_UTF16LE },
-    {"utf16be", SQLITE_UTF16BE },
-    {"any",     SQLITE_ANY },
-    {"0", 0 }
-  };
-
-  if( objc<5 || (objc%2)==0 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB NAME NARG ENC SWITCHES...");
-    return TCL_ERROR;
-  }
-
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  zFunc = Tcl_GetString(objv[2]);
-  if( Tcl_GetIntFromObj(interp, objv[3], &nArg) ) return TCL_ERROR;
-  if( Tcl_GetIndexFromObjStruct(interp, objv[4], aEnc, sizeof(aEnc[0]), 
-          "encoding", 0, &enc)
-  ){
-    return TCL_ERROR;
-  }
-  enc = aEnc[enc].enc;
-
-  p = sqlite3_malloc(sizeof(CreateFunctionV2));
-  assert( p );
-  memset(p, 0, sizeof(CreateFunctionV2));
-  p->interp = interp;
-
-  for(i=5; i<objc; i+=2){
-    int iSwitch;
-    const char *azSwitch[] = {"-func", "-step", "-final", "-destroy", 0};
-    if( Tcl_GetIndexFromObj(interp, objv[i], azSwitch, "switch", 0, &iSwitch) ){
-      sqlite3_free(p);
-      return TCL_ERROR;
-    }
-
-    switch( iSwitch ){
-      case 0: p->pFunc = objv[i+1];      break;
-      case 1: p->pStep = objv[i+1];      break;
-      case 2: p->pFinal = objv[i+1];     break;
-      case 3: p->pDestroy = objv[i+1];   break;
-    }
-  }
-  if( p->pFunc ) p->pFunc = Tcl_DuplicateObj(p->pFunc); 
-  if( p->pStep ) p->pStep = Tcl_DuplicateObj(p->pStep); 
-  if( p->pFinal ) p->pFinal = Tcl_DuplicateObj(p->pFinal); 
-  if( p->pDestroy ) p->pDestroy = Tcl_DuplicateObj(p->pDestroy); 
-
-  if( p->pFunc ) Tcl_IncrRefCount(p->pFunc); 
-  if( p->pStep ) Tcl_IncrRefCount(p->pStep); 
-  if( p->pFinal ) Tcl_IncrRefCount(p->pFinal); 
-  if( p->pDestroy ) Tcl_IncrRefCount(p->pDestroy); 
-
-  rc = sqlite3_create_function_v2(db, zFunc, nArg, enc, (void *)p, 
-      (p->pFunc ? cf2Func : 0),
-      (p->pStep ? cf2Step : 0),
-      (p->pFinal ? cf2Final : 0),
-      cf2Destroy
-  );
-  if( rc!=SQLITE_OK ){
-    Tcl_ResetResult(interp);
-    Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
-    return TCL_ERROR;
-  }
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_load_extension DB-HANDLE FILE ?PROC?
-*/
-static int test_load_extension(
-  ClientData clientData, /* Not used */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  Tcl_CmdInfo cmdInfo;
-  sqlite3 *db;
-  int rc;
-  char *zDb;
-  char *zFile;
-  char *zProc = 0;
-  char *zErr = 0;
-
-  if( objc!=4 && objc!=3 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE FILE ?PROC?");
-    return TCL_ERROR;
-  }
-  zDb = Tcl_GetString(objv[1]);
-  zFile = Tcl_GetString(objv[2]);
-  if( objc==4 ){
-    zProc = Tcl_GetString(objv[3]);
-  }
-
-  /* Extract the C database handle from the Tcl command name */
-  if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
-    Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
-    return TCL_ERROR;
-  }
-  db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
-  assert(db);
-
-  /* Call the underlying C function. If an error occurs, set rc to 
-  ** TCL_ERROR and load any error string into the interpreter. If no 
-  ** error occurs, set rc to TCL_OK.
-  */
-#ifdef SQLITE_OMIT_LOAD_EXTENSION
-  rc = SQLITE_ERROR;
-  zErr = sqlite3_mprintf("this build omits sqlite3_load_extension()");
-#else
-  rc = sqlite3_load_extension(db, zFile, zProc, &zErr);
-#endif
-  if( rc!=SQLITE_OK ){
-    Tcl_SetResult(interp, zErr ? zErr : "", TCL_VOLATILE);
-    rc = TCL_ERROR;
-  }else{
-    rc = TCL_OK;
-  }
-  sqlite3_free(zErr);
-
-  return rc;
-}
-
-/*
-** Usage: sqlite3_enable_load_extension DB-HANDLE ONOFF
-*/
-static int test_enable_load(
-  ClientData clientData, /* Not used */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  Tcl_CmdInfo cmdInfo;
-  sqlite3 *db;
-  char *zDb;
-  int onoff;
-
-  if( objc!=3 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE ONOFF");
-    return TCL_ERROR;
-  }
-  zDb = Tcl_GetString(objv[1]);
-
-  /* Extract the C database handle from the Tcl command name */
-  if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
-    Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
-    return TCL_ERROR;
-  }
-  db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
-  assert(db);
-
-  /* Get the onoff parameter */
-  if( Tcl_GetBooleanFromObj(interp, objv[2], &onoff) ){
-    return TCL_ERROR;
-  }
-
-#ifdef SQLITE_OMIT_LOAD_EXTENSION
-  Tcl_AppendResult(interp, "this build omits sqlite3_load_extension()");
-  return TCL_ERROR;
-#else
-  sqlite3_enable_load_extension(db, onoff);
-  return TCL_OK;
-#endif
-}
-
-/*
-** Usage:  sqlite_abort
-**
-** Shutdown the process immediately.  This is not a clean shutdown.
-** This command is used to test the recoverability of a database in
-** the event of a program crash.
-*/
-static int sqlite_abort(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-#if defined(_MSC_VER)
-  /* We do this, otherwise the test will halt with a popup message
-   * that we have to click away before the test will continue.
-   */
-  _set_abort_behavior( 0, _CALL_REPORTFAULT );
-#endif
-  exit(255);
-  assert( interp==0 );   /* This will always fail */
-  return TCL_OK;
-}
-
-/*
-** The following routine is a user-defined SQL function whose purpose
-** is to test the sqlite_set_result() API.
-*/
-static void testFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
-  while( argc>=2 ){
-    const char *zArg0 = (char*)sqlite3_value_text(argv[0]);
-    if( zArg0 ){
-      if( 0==sqlite3StrICmp(zArg0, "int") ){
-        sqlite3_result_int(context, sqlite3_value_int(argv[1]));
-      }else if( sqlite3StrICmp(zArg0,"int64")==0 ){
-        sqlite3_result_int64(context, sqlite3_value_int64(argv[1]));
-      }else if( sqlite3StrICmp(zArg0,"string")==0 ){
-        sqlite3_result_text(context, (char*)sqlite3_value_text(argv[1]), -1,
-            SQLITE_TRANSIENT);
-      }else if( sqlite3StrICmp(zArg0,"double")==0 ){
-        sqlite3_result_double(context, sqlite3_value_double(argv[1]));
-      }else if( sqlite3StrICmp(zArg0,"null")==0 ){
-        sqlite3_result_null(context);
-      }else if( sqlite3StrICmp(zArg0,"value")==0 ){
-        sqlite3_result_value(context, argv[sqlite3_value_int(argv[1])]);
-      }else{
-        goto error_out;
-      }
-    }else{
-      goto error_out;
-    }
-    argc -= 2;
-    argv += 2;
-  }
-  return;
-
-error_out:
-  sqlite3_result_error(context,"first argument should be one of: "
-      "int int64 string double null value", -1);
-}
-
-/*
-** Usage:   sqlite_register_test_function  DB  NAME
-**
-** Register the test SQL function on the database DB under the name NAME.
-*/
-static int test_register_func(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  sqlite3 *db;
-  int rc;
-  if( argc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
-       " DB FUNCTION-NAME", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0, 
-      testFunc, 0, 0);
-  if( rc!=0 ){
-    Tcl_AppendResult(interp, sqlite3ErrStr(rc), 0);
-    return TCL_ERROR;
-  }
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_finalize  STMT 
-**
-** Finalize a statement handle.
-*/
-static int test_finalize(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int rc;
-  sqlite3 *db = 0;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-
-  if( pStmt ){
-    db = StmtToDb(pStmt);
-  }
-  rc = sqlite3_finalize(pStmt);
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
-  if( db && sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_stmt_status  STMT  CODE  RESETFLAG
-**
-** Get the value of a status counter from a statement.
-*/
-static int test_stmt_status(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  int iValue;
-  int i, op, resetFlag;
-  const char *zOpName;
-  sqlite3_stmt *pStmt;
-
-  static const struct {
-    const char *zName;
-    int op;
-  } aOp[] = {
-    { "SQLITE_STMTSTATUS_FULLSCAN_STEP",   SQLITE_STMTSTATUS_FULLSCAN_STEP   },
-    { "SQLITE_STMTSTATUS_SORT",            SQLITE_STMTSTATUS_SORT            },
-    { "SQLITE_STMTSTATUS_AUTOINDEX",       SQLITE_STMTSTATUS_AUTOINDEX       },
-    { "SQLITE_STMTSTATUS_VM_STEP",         SQLITE_STMTSTATUS_VM_STEP         },
-  };
-  if( objc!=4 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "STMT PARAMETER RESETFLAG");
-    return TCL_ERROR;
-  }
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  zOpName = Tcl_GetString(objv[2]);
-  for(i=0; i<ArraySize(aOp); i++){
-    if( strcmp(aOp[i].zName, zOpName)==0 ){
-      op = aOp[i].op;
-      break;
-    }
-  }
-  if( i>=ArraySize(aOp) ){
-    if( Tcl_GetIntFromObj(interp, objv[2], &op) ) return TCL_ERROR;
-  }
-  if( Tcl_GetBooleanFromObj(interp, objv[3], &resetFlag) ) return TCL_ERROR;
-  iValue = sqlite3_stmt_status(pStmt, op, resetFlag);
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(iValue));
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_next_stmt  DB  STMT
-**
-** Return the next statment in sequence after STMT.
-*/
-static int test_next_stmt(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  sqlite3 *db = 0;
-  char zBuf[50];
-
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " DB STMT", 0);
-    return TCL_ERROR;
-  }
-
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt) ) return TCL_ERROR;
-  pStmt = sqlite3_next_stmt(db, pStmt);
-  if( pStmt ){
-    if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
-    Tcl_AppendResult(interp, zBuf, 0);
-  }
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_stmt_readonly  STMT
-**
-** Return true if STMT is a NULL pointer or a pointer to a statement
-** that is guaranteed to leave the database unmodified.
-*/
-static int test_stmt_readonly(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int rc;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  rc = sqlite3_stmt_readonly(pStmt);
-  Tcl_SetObjResult(interp, Tcl_NewBooleanObj(rc));
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_stmt_busy  STMT
-**
-** Return true if STMT is a non-NULL pointer to a statement
-** that has been stepped but not to completion.
-*/
-static int test_stmt_busy(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int rc;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  rc = sqlite3_stmt_busy(pStmt);
-  Tcl_SetObjResult(interp, Tcl_NewBooleanObj(rc));
-  return TCL_OK;
-}
-
-/*
-** Usage:  uses_stmt_journal  STMT
-**
-** Return true if STMT uses a statement journal.
-*/
-static int uses_stmt_journal(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  sqlite3_stmt_readonly(pStmt);
-  Tcl_SetObjResult(interp, Tcl_NewBooleanObj(((Vdbe *)pStmt)->usesStmtJournal));
-  return TCL_OK;
-}
-
-
-/*
-** Usage:  sqlite3_reset  STMT 
-**
-** Reset a statement handle.
-*/
-static int test_reset(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int rc;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-
-  rc = sqlite3_reset(pStmt);
-  if( pStmt && sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ){
-    return TCL_ERROR;
-  }
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
-/*
-  if( rc ){
-    return TCL_ERROR;
-  }
-*/
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_expired STMT 
-**
-** Return TRUE if a recompilation of the statement is recommended.
-*/
-static int test_expired(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-#ifndef SQLITE_OMIT_DEPRECATED
-  sqlite3_stmt *pStmt;
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
-    return TCL_ERROR;
-  }
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  Tcl_SetObjResult(interp, Tcl_NewBooleanObj(sqlite3_expired(pStmt)));
-#endif
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_transfer_bindings FROMSTMT TOSTMT
-**
-** Transfer all bindings from FROMSTMT over to TOSTMT
-*/
-static int test_transfer_bind(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-#ifndef SQLITE_OMIT_DEPRECATED
-  sqlite3_stmt *pStmt1, *pStmt2;
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " FROM-STMT TO-STMT", 0);
-    return TCL_ERROR;
-  }
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt1)) return TCL_ERROR;
-  if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt2)) return TCL_ERROR;
-  Tcl_SetObjResult(interp, 
-     Tcl_NewIntObj(sqlite3_transfer_bindings(pStmt1,pStmt2)));
-#endif
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_changes DB
-**
-** Return the number of changes made to the database by the last SQL
-** execution.
-*/
-static int test_changes(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-       Tcl_GetString(objv[0]), " DB", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_changes(db)));
-  return TCL_OK;
-}
-
-/*
-** This is the "static_bind_value" that variables are bound to when
-** the FLAG option of sqlite3_bind is "static"
-*/
-static char *sqlite_static_bind_value = 0;
-static int sqlite_static_bind_nbyte = 0;
-
-/*
-** Usage:  sqlite3_bind  VM  IDX  VALUE  FLAGS
-**
-** Sets the value of the IDX-th occurrence of "?" in the original SQL
-** string.  VALUE is the new value.  If FLAGS=="null" then VALUE is
-** ignored and the value is set to NULL.  If FLAGS=="static" then
-** the value is set to the value of a static variable named
-** "sqlite_static_bind_value".  If FLAGS=="normal" then a copy
-** of the VALUE is made.  If FLAGS=="blob10" then a VALUE is ignored
-** an a 10-byte blob "abc\000xyz\000pq" is inserted.
-*/
-static int test_bind(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  sqlite3_stmt *pStmt;
-  int rc;
-  int idx;
-  if( argc!=5 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
-       " VM IDX VALUE (null|static|normal)\"", 0);
-    return TCL_ERROR;
-  }
-  if( getStmtPointer(interp, argv[1], &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetInt(interp, argv[2], &idx) ) return TCL_ERROR;
-  if( strcmp(argv[4],"null")==0 ){
-    rc = sqlite3_bind_null(pStmt, idx);
-  }else if( strcmp(argv[4],"static")==0 ){
-    rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value, -1, 0);
-  }else if( strcmp(argv[4],"static-nbytes")==0 ){
-    rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value,
-                                       sqlite_static_bind_nbyte, 0);
-  }else if( strcmp(argv[4],"normal")==0 ){
-    rc = sqlite3_bind_text(pStmt, idx, argv[3], -1, SQLITE_TRANSIENT);
-  }else if( strcmp(argv[4],"blob10")==0 ){
-    rc = sqlite3_bind_text(pStmt, idx, "abc\000xyz\000pq", 10, SQLITE_STATIC);
-  }else{
-    Tcl_AppendResult(interp, "4th argument should be "
-        "\"null\" or \"static\" or \"normal\"", 0);
-    return TCL_ERROR;
-  }
-  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
-  if( rc ){
-    char zBuf[50];
-    sprintf(zBuf, "(%d) ", rc);
-    Tcl_AppendResult(interp, zBuf, sqlite3ErrStr(rc), 0);
-    return TCL_ERROR;
-  }
-  return TCL_OK;
-}
-
-#ifndef SQLITE_OMIT_UTF16
-/*
-** Usage: add_test_collate <db ptr> <utf8> <utf16le> <utf16be>
-**
-** This function is used to test that SQLite selects the correct collation
-** sequence callback when multiple versions (for different text encodings)
-** are available.
-**
-** Calling this routine registers the collation sequence "test_collate"
-** with database handle <db>. The second argument must be a list of three
-** boolean values. If the first is true, then a version of test_collate is
-** registered for UTF-8, if the second is true, a version is registered for
-** UTF-16le, if the third is true, a UTF-16be version is available.
-** Previous versions of test_collate are deleted.
-**
-** The collation sequence test_collate is implemented by calling the
-** following TCL script:
-**
-**   "test_collate <enc> <lhs> <rhs>"
-**
-** The <lhs> and <rhs> are the two values being compared, encoded in UTF-8.
-** The <enc> parameter is the encoding of the collation function that
-** SQLite selected to call. The TCL test script implements the
-** "test_collate" proc.
-**
-** Note that this will only work with one interpreter at a time, as the
-** interp pointer to use when evaluating the TCL script is stored in
-** pTestCollateInterp.
-*/
-static Tcl_Interp* pTestCollateInterp;
-static int test_collate_func(
-  void *pCtx, 
-  int nA, const void *zA,
-  int nB, const void *zB
-){
-  Tcl_Interp *i = pTestCollateInterp;
-  int encin = SQLITE_PTR_TO_INT(pCtx);
-  int res;
-  int n;
-
-  sqlite3_value *pVal;
-  Tcl_Obj *pX;
-
-  pX = Tcl_NewStringObj("test_collate", -1);
-  Tcl_IncrRefCount(pX);
-
-  switch( encin ){
-    case SQLITE_UTF8:
-      Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-8",-1));
-      break;
-    case SQLITE_UTF16LE:
-      Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16LE",-1));
-      break;
-    case SQLITE_UTF16BE:
-      Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16BE",-1));
-      break;
-    default:
-      assert(0);
-  }
-
-  sqlite3BeginBenignMalloc();
-  pVal = sqlite3ValueNew(0);
-  if( pVal ){
-    sqlite3ValueSetStr(pVal, nA, zA, encin, SQLITE_STATIC);
-    n = sqlite3_value_bytes(pVal);
-    Tcl_ListObjAppendElement(i,pX,
-        Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
-    sqlite3ValueSetStr(pVal, nB, zB, encin, SQLITE_STATIC);
-    n = sqlite3_value_bytes(pVal);
-    Tcl_ListObjAppendElement(i,pX,
-        Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
-    sqlite3ValueFree(pVal);
-  }
-  sqlite3EndBenignMalloc();
-
-  Tcl_EvalObjEx(i, pX, 0);
-  Tcl_DecrRefCount(pX);
-  Tcl_GetIntFromObj(i, Tcl_GetObjResult(i), &res);
-  return res;
-}
-static int test_collate(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  int val;
-  sqlite3_value *pVal;
-  int rc;
-
-  if( objc!=5 ) goto bad_args;
-  pTestCollateInterp = interp;
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-
-  if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
-  rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF8, 
-          (void *)SQLITE_UTF8, val?test_collate_func:0);
-  if( rc==SQLITE_OK ){
-    const void *zUtf16;
-    if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
-    rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF16LE, 
-            (void *)SQLITE_UTF16LE, val?test_collate_func:0);
-    if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
-
-#if 0
-    if( sqlite3_iMallocFail>0 ){
-      sqlite3_iMallocFail++;
-    }
-#endif
-    sqlite3_mutex_enter(db->mutex);
-    pVal = sqlite3ValueNew(db);
-    sqlite3ValueSetStr(pVal, -1, "test_collate", SQLITE_UTF8, SQLITE_STATIC);
-    zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
-    if( db->mallocFailed ){
-      rc = SQLITE_NOMEM;
-    }else{
-      rc = sqlite3_create_collation16(db, zUtf16, SQLITE_UTF16BE, 
-          (void *)SQLITE_UTF16BE, val?test_collate_func:0);
-    }
-    sqlite3ValueFree(pVal);
-    sqlite3_mutex_leave(db->mutex);
-  }
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  
-  if( rc!=SQLITE_OK ){
-    Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
-    return TCL_ERROR;
-  }
-  return TCL_OK;
-
-bad_args:
-  Tcl_AppendResult(interp, "wrong # args: should be \"",
-      Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
-  return TCL_ERROR;
-}
-
-/*
-** Usage: add_test_utf16bin_collate <db ptr>
-**
-** Add a utf-16 collation sequence named "utf16bin" to the database
-** handle. This collation sequence compares arguments in the same way as the
-** built-in collation "binary".
-*/
-static int test_utf16bin_collate_func(
-  void *pCtx, 
-  int nA, const void *zA,
-  int nB, const void *zB
-){
-  int nCmp = (nA>nB ? nB : nA);
-  int res = memcmp(zA, zB, nCmp);
-  if( res==0 ) res = nA - nB;
-  return res;
-}
-static int test_utf16bin_collate(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  int rc;
-
-  if( objc!=2 ) goto bad_args;
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-
-  rc = sqlite3_create_collation(db, "utf16bin", SQLITE_UTF16, 0, 
-      test_utf16bin_collate_func
-  );
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  return TCL_OK;
-
-bad_args:
-  Tcl_WrongNumArgs(interp, 1, objv, "DB");
-  return TCL_ERROR;
-}
-
-/*
-** When the collation needed callback is invoked, record the name of 
-** the requested collating function here.  The recorded name is linked
-** to a TCL variable and used to make sure that the requested collation
-** name is correct.
-*/
-static char zNeededCollation[200];
-static char *pzNeededCollation = zNeededCollation;
-
-
-/*
-** Called when a collating sequence is needed.  Registered using
-** sqlite3_collation_needed16().
-*/
-static void test_collate_needed_cb(
-  void *pCtx, 
-  sqlite3 *db,
-  int eTextRep,
-  const void *pName
-){
-  int enc = ENC(db);
-  int i;
-  char *z;
-  for(z = (char*)pName, i=0; *z || z[1]; z++){
-    if( *z ) zNeededCollation[i++] = *z;
-  }
-  zNeededCollation[i] = 0;
-  sqlite3_create_collation(
-      db, "test_collate", ENC(db), SQLITE_INT_TO_PTR(enc), test_collate_func);
-}
-
-/*
-** Usage: add_test_collate_needed DB
-*/
-static int test_collate_needed(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  int rc;
-
-  if( objc!=2 ) goto bad_args;
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  rc = sqlite3_collation_needed16(db, 0, test_collate_needed_cb);
-  zNeededCollation[0] = 0;
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  return TCL_OK;
-
-bad_args:
-  Tcl_WrongNumArgs(interp, 1, objv, "DB");
-  return TCL_ERROR;
-}
-
-/*
-** tclcmd:   add_alignment_test_collations  DB
-**
-** Add two new collating sequences to the database DB
-**
-**     utf16_aligned
-**     utf16_unaligned
-**
-** Both collating sequences use the same sort order as BINARY.
-** The only difference is that the utf16_aligned collating
-** sequence is declared with the SQLITE_UTF16_ALIGNED flag.
-** Both collating functions increment the unaligned utf16 counter
-** whenever they see a string that begins on an odd byte boundary.
-*/
-static int unaligned_string_counter = 0;
-static int alignmentCollFunc(
-  void *NotUsed,
-  int nKey1, const void *pKey1,
-  int nKey2, const void *pKey2
-){
-  int rc, n;
-  n = nKey1<nKey2 ? nKey1 : nKey2;
-  if( nKey1>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey1))) ) unaligned_string_counter++;
-  if( nKey2>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey2))) ) unaligned_string_counter++;
-  rc = memcmp(pKey1, pKey2, n);
-  if( rc==0 ){
-    rc = nKey1 - nKey2;
-  }
-  return rc;
-}
-static int add_alignment_test_collations(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  if( objc>=2 ){
-    if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-    sqlite3_create_collation(db, "utf16_unaligned", SQLITE_UTF16, 
-        0, alignmentCollFunc);
-    sqlite3_create_collation(db, "utf16_aligned", SQLITE_UTF16_ALIGNED, 
-        0, alignmentCollFunc);
-  }
-  return SQLITE_OK;
-}
-#endif /* !defined(SQLITE_OMIT_UTF16) */
-
-/*
-** Usage: add_test_function <db ptr> <utf8> <utf16le> <utf16be>
-**
-** This function is used to test that SQLite selects the correct user
-** function callback when multiple versions (for different text encodings)
-** are available.
-**
-** Calling this routine registers up to three versions of the user function
-** "test_function" with database handle <db>.  If the second argument is
-** true, then a version of test_function is registered for UTF-8, if the
-** third is true, a version is registered for UTF-16le, if the fourth is
-** true, a UTF-16be version is available.  Previous versions of
-** test_function are deleted.
-**
-** The user function is implemented by calling the following TCL script:
-**
-**   "test_function <enc> <arg>"
-**
-** Where <enc> is one of UTF-8, UTF-16LE or UTF16BE, and <arg> is the
-** single argument passed to the SQL function. The value returned by
-** the TCL script is used as the return value of the SQL function. It
-** is passed to SQLite using UTF-16BE for a UTF-8 test_function(), UTF-8
-** for a UTF-16LE test_function(), and UTF-16LE for an implementation that
-** prefers UTF-16BE.
-*/
-#ifndef SQLITE_OMIT_UTF16
-static void test_function_utf8(
-  sqlite3_context *pCtx, 
-  int nArg,
-  sqlite3_value **argv
-){
-  Tcl_Interp *interp;
-  Tcl_Obj *pX;
-  sqlite3_value *pVal;
-  interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
-  pX = Tcl_NewStringObj("test_function", -1);
-  Tcl_IncrRefCount(pX);
-  Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-8", -1));
-  Tcl_ListObjAppendElement(interp, pX, 
-      Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
-  Tcl_EvalObjEx(interp, pX, 0);
-  Tcl_DecrRefCount(pX);
-  sqlite3_result_text(pCtx, Tcl_GetStringResult(interp), -1, SQLITE_TRANSIENT);
-  pVal = sqlite3ValueNew(0);
-  sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp), 
-      SQLITE_UTF8, SQLITE_STATIC);
-  sqlite3_result_text16be(pCtx, sqlite3_value_text16be(pVal),
-      -1, SQLITE_TRANSIENT);
-  sqlite3ValueFree(pVal);
-}
-static void test_function_utf16le(
-  sqlite3_context *pCtx, 
-  int nArg,
-  sqlite3_value **argv
-){
-  Tcl_Interp *interp;
-  Tcl_Obj *pX;
-  sqlite3_value *pVal;
-  interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
-  pX = Tcl_NewStringObj("test_function", -1);
-  Tcl_IncrRefCount(pX);
-  Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16LE", -1));
-  Tcl_ListObjAppendElement(interp, pX, 
-      Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
-  Tcl_EvalObjEx(interp, pX, 0);
-  Tcl_DecrRefCount(pX);
-  pVal = sqlite3ValueNew(0);
-  sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp), 
-      SQLITE_UTF8, SQLITE_STATIC);
-  sqlite3_result_text(pCtx,(char*)sqlite3_value_text(pVal),-1,SQLITE_TRANSIENT);
-  sqlite3ValueFree(pVal);
-}
-static void test_function_utf16be(
-  sqlite3_context *pCtx, 
-  int nArg,
-  sqlite3_value **argv
-){
-  Tcl_Interp *interp;
-  Tcl_Obj *pX;
-  sqlite3_value *pVal;
-  interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
-  pX = Tcl_NewStringObj("test_function", -1);
-  Tcl_IncrRefCount(pX);
-  Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16BE", -1));
-  Tcl_ListObjAppendElement(interp, pX, 
-      Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
-  Tcl_EvalObjEx(interp, pX, 0);
-  Tcl_DecrRefCount(pX);
-  pVal = sqlite3ValueNew(0);
-  sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp), 
-      SQLITE_UTF8, SQLITE_STATIC);
-  sqlite3_result_text16(pCtx, sqlite3_value_text16le(pVal),
-      -1, SQLITE_TRANSIENT);
-  sqlite3_result_text16be(pCtx, sqlite3_value_text16le(pVal),
-      -1, SQLITE_TRANSIENT);
-  sqlite3_result_text16le(pCtx, sqlite3_value_text16le(pVal),
-      -1, SQLITE_TRANSIENT);
-  sqlite3ValueFree(pVal);
-}
-#endif /* SQLITE_OMIT_UTF16 */
-static int test_function(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-#ifndef SQLITE_OMIT_UTF16
-  sqlite3 *db;
-  int val;
-
-  if( objc!=5 ) goto bad_args;
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-
-  if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
-  if( val ){
-    sqlite3_create_function(db, "test_function", 1, SQLITE_UTF8, 
-        interp, test_function_utf8, 0, 0);
-  }
-  if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
-  if( val ){
-    sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16LE, 
-        interp, test_function_utf16le, 0, 0);
-  }
-  if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
-  if( val ){
-    sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16BE, 
-        interp, test_function_utf16be, 0, 0);
-  }
-
-  return TCL_OK;
-bad_args:
-  Tcl_AppendResult(interp, "wrong # args: should be \"",
-      Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
-#endif /* SQLITE_OMIT_UTF16 */
-  return TCL_ERROR;
-}
-
-/*
-** Usage:         sqlite3_test_errstr <err code>
-**
-** Test that the english language string equivalents for sqlite error codes
-** are sane. The parameter is an integer representing an sqlite error code.
-** The result is a list of two elements, the string representation of the
-** error code and the english language explanation.
-*/
-static int test_errstr(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  char *zCode;
-  int i;
-  if( objc!=1 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "<error code>");
-  }
-
-  zCode = Tcl_GetString(objv[1]);
-  for(i=0; i<200; i++){
-    if( 0==strcmp(t1ErrorName(i), zCode) ) break;
-  }
-  Tcl_SetResult(interp, (char *)sqlite3ErrStr(i), 0);
-  return TCL_OK;
-}
-
-/*
-** Usage:    breakpoint
-**
-** This routine exists for one purpose - to provide a place to put a
-** breakpoint with GDB that can be triggered using TCL code.  The use
-** for this is when a particular test fails on (say) the 1485th iteration.
-** In the TCL test script, we can add code like this:
-**
-**     if {$i==1485} breakpoint
-**
-** Then run testfixture in the debugger and wait for the breakpoint to
-** fire.  Then additional breakpoints can be set to trace down the bug.
-*/
-static int test_breakpoint(
-  void *NotUsed,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int argc,              /* Number of arguments */
-  char **argv            /* Text of each argument */
-){
-  return TCL_OK;         /* Do nothing */
-}
-
-/*
-** Usage:   sqlite3_bind_zeroblob  STMT IDX N
-**
-** Test the sqlite3_bind_zeroblob interface.  STMT is a prepared statement.
-** IDX is the index of a wildcard in the prepared statement.  This command
-** binds a N-byte zero-filled BLOB to the wildcard.
-*/
-static int test_bind_zeroblob(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int idx;
-  int n;
-  int rc;
-
-  if( objc!=4 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX N");
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[3], &n) ) return TCL_ERROR;
-
-  rc = sqlite3_bind_zeroblob(pStmt, idx, n);
-  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
-  if( rc!=SQLITE_OK ){
-    return TCL_ERROR;
-  }
-
-  return TCL_OK;
-}
-
-/*
-** Usage:   sqlite3_bind_int  STMT N VALUE
-**
-** Test the sqlite3_bind_int interface.  STMT is a prepared statement.
-** N is the index of a wildcard in the prepared statement.  This command
-** binds a 32-bit integer VALUE to that wildcard.
-*/
-static int test_bind_int(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int idx;
-  int value;
-  int rc;
-
-  if( objc!=4 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
-
-  rc = sqlite3_bind_int(pStmt, idx, value);
-  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
-  if( rc!=SQLITE_OK ){
-    return TCL_ERROR;
-  }
-
-  return TCL_OK;
-}
-
-
-/*
-** Usage:   sqlite3_bind_int64  STMT N VALUE
-**
-** Test the sqlite3_bind_int64 interface.  STMT is a prepared statement.
-** N is the index of a wildcard in the prepared statement.  This command
-** binds a 64-bit integer VALUE to that wildcard.
-*/
-static int test_bind_int64(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int idx;
-  Tcl_WideInt value;
-  int rc;
-
-  if( objc!=4 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
-  if( Tcl_GetWideIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
-
-  rc = sqlite3_bind_int64(pStmt, idx, value);
-  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
-  if( rc!=SQLITE_OK ){
-    return TCL_ERROR;
-  }
-
-  return TCL_OK;
-}
-
-
-/*
-** Usage:   sqlite3_bind_double  STMT N VALUE
-**
-** Test the sqlite3_bind_double interface.  STMT is a prepared statement.
-** N is the index of a wildcard in the prepared statement.  This command
-** binds a 64-bit integer VALUE to that wildcard.
-*/
-static int test_bind_double(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int idx;
-  double value;
-  int rc;
-  const char *zVal;
-  int i;
-  static const struct {
-    const char *zName;     /* Name of the special floating point value */
-    unsigned int iUpper;   /* Upper 32 bits */
-    unsigned int iLower;   /* Lower 32 bits */
-  } aSpecialFp[] = {
-    {  "NaN",      0x7fffffff, 0xffffffff },
-    {  "SNaN",     0x7ff7ffff, 0xffffffff },
-    {  "-NaN",     0xffffffff, 0xffffffff },
-    {  "-SNaN",    0xfff7ffff, 0xffffffff },
-    {  "+Inf",     0x7ff00000, 0x00000000 },
-    {  "-Inf",     0xfff00000, 0x00000000 },
-    {  "Epsilon",  0x00000000, 0x00000001 },
-    {  "-Epsilon", 0x80000000, 0x00000001 },
-    {  "NaN0",     0x7ff80000, 0x00000000 },
-    {  "-NaN0",    0xfff80000, 0x00000000 },
-  };
-
-  if( objc!=4 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
-
-  /* Intercept the string "NaN" and generate a NaN value for it.
-  ** All other strings are passed through to Tcl_GetDoubleFromObj().
-  ** Tcl_GetDoubleFromObj() should understand "NaN" but some versions
-  ** contain a bug.
-  */
-  zVal = Tcl_GetString(objv[3]);
-  for(i=0; i<sizeof(aSpecialFp)/sizeof(aSpecialFp[0]); i++){
-    if( strcmp(aSpecialFp[i].zName, zVal)==0 ){
-      sqlite3_uint64 x;
-      x = aSpecialFp[i].iUpper;
-      x <<= 32;
-      x |= aSpecialFp[i].iLower;
-      assert( sizeof(value)==8 );
-      assert( sizeof(x)==8 );
-      memcpy(&value, &x, 8);
-      break;
-    }
-  }
-  if( i>=sizeof(aSpecialFp)/sizeof(aSpecialFp[0]) &&
-         Tcl_GetDoubleFromObj(interp, objv[3], &value) ){
-    return TCL_ERROR;
-  }
-  rc = sqlite3_bind_double(pStmt, idx, value);
-  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
-  if( rc!=SQLITE_OK ){
-    return TCL_ERROR;
-  }
-
-  return TCL_OK;
-}
-
-/*
-** Usage:   sqlite3_bind_null  STMT N
-**
-** Test the sqlite3_bind_null interface.  STMT is a prepared statement.
-** N is the index of a wildcard in the prepared statement.  This command
-** binds a NULL to the wildcard.
-*/
-static int test_bind_null(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int idx;
-  int rc;
-
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " STMT N", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
-
-  rc = sqlite3_bind_null(pStmt, idx);
-  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
-  if( rc!=SQLITE_OK ){
-    return TCL_ERROR;
-  }
-
-  return TCL_OK;
-}
-
-/*
-** Usage:   sqlite3_bind_text  STMT N STRING BYTES
-**
-** Test the sqlite3_bind_text interface.  STMT is a prepared statement.
-** N is the index of a wildcard in the prepared statement.  This command
-** binds a UTF-8 string STRING to the wildcard.  The string is BYTES bytes
-** long.
-*/
-static int test_bind_text(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int idx;
-  int bytes;
-  char *value;
-  int rc;
-
-  if( objc!=5 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
-  value = (char*)Tcl_GetByteArrayFromObj(objv[3], &bytes);
-  if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
-
-  rc = sqlite3_bind_text(pStmt, idx, value, bytes, SQLITE_TRANSIENT);
-  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
-  if( rc!=SQLITE_OK ){
-    Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
-    return TCL_ERROR;
-  }
-
-  return TCL_OK;
-}
-
-/*
-** Usage:   sqlite3_bind_text16 ?-static? STMT N STRING BYTES
-**
-** Test the sqlite3_bind_text16 interface.  STMT is a prepared statement.
-** N is the index of a wildcard in the prepared statement.  This command
-** binds a UTF-16 string STRING to the wildcard.  The string is BYTES bytes
-** long.
-*/
-static int test_bind_text16(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-#ifndef SQLITE_OMIT_UTF16
-  sqlite3_stmt *pStmt;
-  int idx;
-  int bytes;
-  char *value;
-  int rc;
-
-  void (*xDel)(void*) = (objc==6?SQLITE_STATIC:SQLITE_TRANSIENT);
-  Tcl_Obj *oStmt    = objv[objc-4];
-  Tcl_Obj *oN       = objv[objc-3];
-  Tcl_Obj *oString  = objv[objc-2];
-  Tcl_Obj *oBytes   = objv[objc-1];
-
-  if( objc!=5 && objc!=6){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(oStmt), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, oN, &idx) ) return TCL_ERROR;
-  value = (char*)Tcl_GetByteArrayFromObj(oString, 0);
-  if( Tcl_GetIntFromObj(interp, oBytes, &bytes) ) return TCL_ERROR;
-
-  rc = sqlite3_bind_text16(pStmt, idx, (void *)value, bytes, xDel);
-  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
-  if( rc!=SQLITE_OK ){
-    Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
-    return TCL_ERROR;
-  }
-
-#endif /* SQLITE_OMIT_UTF16 */
-  return TCL_OK;
-}
-
-/*
-** Usage:   sqlite3_bind_blob ?-static? STMT N DATA BYTES
-**
-** Test the sqlite3_bind_blob interface.  STMT is a prepared statement.
-** N is the index of a wildcard in the prepared statement.  This command
-** binds a BLOB to the wildcard.  The BLOB is BYTES bytes in size.
-*/
-static int test_bind_blob(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int idx;
-  int bytes;
-  char *value;
-  int rc;
-  sqlite3_destructor_type xDestructor = SQLITE_TRANSIENT;
-
-  if( objc!=5 && objc!=6 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " STMT N DATA BYTES", 0);
-    return TCL_ERROR;
-  }
-
-  if( objc==6 ){
-    xDestructor = SQLITE_STATIC;
-    objv++;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
-  value = Tcl_GetString(objv[3]);
-  if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
-
-  rc = sqlite3_bind_blob(pStmt, idx, value, bytes, xDestructor);
-  if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
-  if( rc!=SQLITE_OK ){
-    return TCL_ERROR;
-  }
-
-  return TCL_OK;
-}
-
-/*
-** Usage:   sqlite3_bind_parameter_count  STMT
-**
-** Return the number of wildcards in the given statement.
-*/
-static int test_bind_parameter_count(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "STMT");
-    return TCL_ERROR;
-  }
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_bind_parameter_count(pStmt)));
-  return TCL_OK;
-}
-
-/*
-** Usage:   sqlite3_bind_parameter_name  STMT  N
-**
-** Return the name of the Nth wildcard.  The first wildcard is 1.
-** An empty string is returned if N is out of range or if the wildcard
-** is nameless.
-*/
-static int test_bind_parameter_name(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int i;
-
-  if( objc!=3 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "STMT N");
-    return TCL_ERROR;
-  }
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &i) ) return TCL_ERROR;
-  Tcl_SetObjResult(interp, 
-     Tcl_NewStringObj(sqlite3_bind_parameter_name(pStmt,i),-1)
-  );
-  return TCL_OK;
-}
-
-/*
-** Usage:   sqlite3_bind_parameter_index  STMT  NAME
-**
-** Return the index of the wildcard called NAME.  Return 0 if there is
-** no such wildcard.
-*/
-static int test_bind_parameter_index(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-
-  if( objc!=3 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "STMT NAME");
-    return TCL_ERROR;
-  }
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  Tcl_SetObjResult(interp, 
-     Tcl_NewIntObj(
-       sqlite3_bind_parameter_index(pStmt,Tcl_GetString(objv[2]))
-     )
-  );
-  return TCL_OK;
-}
-
-/*
-** Usage:   sqlite3_clear_bindings STMT
-**
-*/
-static int test_clear_bindings(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "STMT");
-    return TCL_ERROR;
-  }
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_clear_bindings(pStmt)));
-  return TCL_OK;
-}
-
-/*
-** Usage:   sqlite3_sleep MILLISECONDS
-*/
-static int test_sleep(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  int ms;
-
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "MILLISECONDS");
-    return TCL_ERROR;
-  }
-  if( Tcl_GetIntFromObj(interp, objv[1], &ms) ){
-    return TCL_ERROR;
-  }
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_sleep(ms)));
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_extended_errcode DB
-**
-** Return the string representation of the most recent sqlite3_* API
-** error code. e.g. "SQLITE_ERROR".
-*/
-static int test_ex_errcode(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  int rc;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " DB", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  rc = sqlite3_extended_errcode(db);
-  Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
-  return TCL_OK;
-}
-
-
-/*
-** Usage: sqlite3_errcode DB
-**
-** Return the string representation of the most recent sqlite3_* API
-** error code. e.g. "SQLITE_ERROR".
-*/
-static int test_errcode(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  int rc;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " DB", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  rc = sqlite3_errcode(db);
-  Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
-  return TCL_OK;
-}
-
-/*
-** Usage:   sqlite3_errmsg DB
-**
-** Returns the UTF-8 representation of the error message string for the
-** most recent sqlite3_* API call.
-*/
-static int test_errmsg(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  const char *zErr;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " DB", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-
-  zErr = sqlite3_errmsg(db);
-  Tcl_SetObjResult(interp, Tcl_NewStringObj(zErr, -1));
-  return TCL_OK;
-}
-
-/*
-** Usage:   test_errmsg16 DB
-**
-** Returns the UTF-16 representation of the error message string for the
-** most recent sqlite3_* API call. This is a byte array object at the TCL 
-** level, and it includes the 0x00 0x00 terminator bytes at the end of the
-** UTF-16 string.
-*/
-static int test_errmsg16(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-#ifndef SQLITE_OMIT_UTF16
-  sqlite3 *db;
-  const void *zErr;
-  const char *z;
-  int bytes = 0;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " DB", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-
-  zErr = sqlite3_errmsg16(db);
-  if( zErr ){
-    z = zErr;
-    for(bytes=0; z[bytes] || z[bytes+1]; bytes+=2){}
-  }
-  Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zErr, bytes));
-#endif /* SQLITE_OMIT_UTF16 */
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_prepare DB sql bytes ?tailvar?
-**
-** Compile up to <bytes> bytes of the supplied SQL string <sql> using
-** database handle <DB>. The parameter <tailval> is the name of a global
-** variable that is set to the unused portion of <sql> (if any). A
-** STMT handle is returned.
-*/
-static int test_prepare(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  const char *zSql;
-  int bytes;
-  const char *zTail = 0;
-  sqlite3_stmt *pStmt = 0;
-  char zBuf[50];
-  int rc;
-
-  if( objc!=5 && objc!=4 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  zSql = Tcl_GetString(objv[2]);
-  if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
-
-  rc = sqlite3_prepare(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
-  Tcl_ResetResult(interp);
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  if( zTail && objc>=5 ){
-    if( bytes>=0 ){
-      bytes = bytes - (int)(zTail-zSql);
-    }
-    if( (int)strlen(zTail)<bytes ){
-      bytes = (int)strlen(zTail);
-    }
-    Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
-  }
-  if( rc!=SQLITE_OK ){
-    assert( pStmt==0 );
-    sprintf(zBuf, "(%d) ", rc);
-    Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
-    return TCL_ERROR;
-  }
-
-  if( pStmt ){
-    if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
-    Tcl_AppendResult(interp, zBuf, 0);
-  }
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_prepare_v2 DB sql bytes ?tailvar?
-**
-** Compile up to <bytes> bytes of the supplied SQL string <sql> using
-** database handle <DB>. The parameter <tailval> is the name of a global
-** variable that is set to the unused portion of <sql> (if any). A
-** STMT handle is returned.
-*/
-static int test_prepare_v2(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  const char *zSql;
-  int bytes;
-  const char *zTail = 0;
-  sqlite3_stmt *pStmt = 0;
-  char zBuf[50];
-  int rc;
-
-  if( objc!=5 && objc!=4 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  zSql = Tcl_GetString(objv[2]);
-  if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
-
-  rc = sqlite3_prepare_v2(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
-  assert(rc==SQLITE_OK || pStmt==0);
-  Tcl_ResetResult(interp);
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  if( zTail && objc>=5 ){
-    if( bytes>=0 ){
-      bytes = bytes - (int)(zTail-zSql);
-    }
-    Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
-  }
-  if( rc!=SQLITE_OK ){
-    assert( pStmt==0 );
-    sprintf(zBuf, "(%d) ", rc);
-    Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
-    return TCL_ERROR;
-  }
-
-  if( pStmt ){
-    if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
-    Tcl_AppendResult(interp, zBuf, 0);
-  }
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_prepare_tkt3134 DB
-**
-** Generate a prepared statement for a zero-byte string as a test
-** for ticket #3134.  The string should be preceded by a zero byte.
-*/
-static int test_prepare_tkt3134(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  static const char zSql[] = "\000SELECT 1";
-  sqlite3_stmt *pStmt = 0;
-  char zBuf[50];
-  int rc;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  rc = sqlite3_prepare_v2(db, &zSql[1], 0, &pStmt, 0);
-  assert(rc==SQLITE_OK || pStmt==0);
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  if( rc!=SQLITE_OK ){
-    assert( pStmt==0 );
-    sprintf(zBuf, "(%d) ", rc);
-    Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
-    return TCL_ERROR;
-  }
-
-  if( pStmt ){
-    if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
-    Tcl_AppendResult(interp, zBuf, 0);
-  }
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_prepare16 DB sql bytes tailvar
-**
-** Compile up to <bytes> bytes of the supplied SQL string <sql> using
-** database handle <DB>. The parameter <tailval> is the name of a global
-** variable that is set to the unused portion of <sql> (if any). A
-** STMT handle is returned.
-*/
-static int test_prepare16(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-#ifndef SQLITE_OMIT_UTF16
-  sqlite3 *db;
-  const void *zSql;
-  const void *zTail = 0;
-  Tcl_Obj *pTail = 0;
-  sqlite3_stmt *pStmt = 0;
-  char zBuf[50]; 
-  int rc;
-  int bytes;                /* The integer specified as arg 3 */
-  int objlen;               /* The byte-array length of arg 2 */
-
-  if( objc!=5 && objc!=4 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
-  if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
-
-  rc = sqlite3_prepare16(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  if( rc ){
-    return TCL_ERROR;
-  }
-
-  if( objc>=5 ){
-    if( zTail ){
-      objlen = objlen - (int)((u8 *)zTail-(u8 *)zSql);
-    }else{
-      objlen = 0;
-    }
-    pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
-    Tcl_IncrRefCount(pTail);
-    Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
-    Tcl_DecrRefCount(pTail);
-  }
-
-  if( pStmt ){
-    if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
-  }
-  Tcl_AppendResult(interp, zBuf, 0);
-#endif /* SQLITE_OMIT_UTF16 */
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_prepare16_v2 DB sql bytes ?tailvar?
-**
-** Compile up to <bytes> bytes of the supplied SQL string <sql> using
-** database handle <DB>. The parameter <tailval> is the name of a global
-** variable that is set to the unused portion of <sql> (if any). A
-** STMT handle is returned.
-*/
-static int test_prepare16_v2(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-#ifndef SQLITE_OMIT_UTF16
-  sqlite3 *db;
-  const void *zSql;
-  const void *zTail = 0;
-  Tcl_Obj *pTail = 0;
-  sqlite3_stmt *pStmt = 0;
-  char zBuf[50]; 
-  int rc;
-  int bytes;                /* The integer specified as arg 3 */
-  int objlen;               /* The byte-array length of arg 2 */
-
-  if( objc!=5 && objc!=4 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
-  if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
-
-  rc = sqlite3_prepare16_v2(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
-  if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
-  if( rc ){
-    return TCL_ERROR;
-  }
-
-  if( objc>=5 ){
-    if( zTail ){
-      objlen = objlen - (int)((u8 *)zTail-(u8 *)zSql);
-    }else{
-      objlen = 0;
-    }
-    pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
-    Tcl_IncrRefCount(pTail);
-    Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
-    Tcl_DecrRefCount(pTail);
-  }
-
-  if( pStmt ){
-    if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
-  }
-  Tcl_AppendResult(interp, zBuf, 0);
-#endif /* SQLITE_OMIT_UTF16 */
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_open filename ?options-list?
-*/
-static int test_open(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  const char *zFilename;
-  sqlite3 *db;
-  char zBuf[100];
-
-  if( objc!=3 && objc!=2 && objc!=1 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " filename options-list", 0);
-    return TCL_ERROR;
-  }
-
-  zFilename = objc>1 ? Tcl_GetString(objv[1]) : 0;
-  sqlite3_open(zFilename, &db);
-  
-  if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
-  Tcl_AppendResult(interp, zBuf, 0);
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_open_v2 FILENAME FLAGS VFS
-*/
-static int test_open_v2(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  const char *zFilename;
-  const char *zVfs;
-  int flags = 0;
-  sqlite3 *db;
-  int rc;
-  char zBuf[100];
-
-  int nFlag;
-  Tcl_Obj **apFlag;
-  int i;
-
-  if( objc!=4 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "FILENAME FLAGS VFS");
-    return TCL_ERROR;
-  }
-  zFilename = Tcl_GetString(objv[1]);
-  zVfs = Tcl_GetString(objv[3]);
-  if( zVfs[0]==0x00 ) zVfs = 0;
-
-  rc = Tcl_ListObjGetElements(interp, objv[2], &nFlag, &apFlag);
-  if( rc!=TCL_OK ) return rc;
-  for(i=0; i<nFlag; i++){
-    int iFlag;
-    struct OpenFlag {
-      const char *zFlag;
-      int flag;
-    } aFlag[] = {
-      { "SQLITE_OPEN_READONLY", SQLITE_OPEN_READONLY },
-      { "SQLITE_OPEN_READWRITE", SQLITE_OPEN_READWRITE },
-      { "SQLITE_OPEN_CREATE", SQLITE_OPEN_CREATE },
-      { "SQLITE_OPEN_DELETEONCLOSE", SQLITE_OPEN_DELETEONCLOSE },
-      { "SQLITE_OPEN_EXCLUSIVE", SQLITE_OPEN_EXCLUSIVE },
-      { "SQLITE_OPEN_AUTOPROXY", SQLITE_OPEN_AUTOPROXY },
-      { "SQLITE_OPEN_MAIN_DB", SQLITE_OPEN_MAIN_DB },
-      { "SQLITE_OPEN_TEMP_DB", SQLITE_OPEN_TEMP_DB },
-      { "SQLITE_OPEN_TRANSIENT_DB", SQLITE_OPEN_TRANSIENT_DB },
-      { "SQLITE_OPEN_MAIN_JOURNAL", SQLITE_OPEN_MAIN_JOURNAL },
-      { "SQLITE_OPEN_TEMP_JOURNAL", SQLITE_OPEN_TEMP_JOURNAL },
-      { "SQLITE_OPEN_SUBJOURNAL", SQLITE_OPEN_SUBJOURNAL },
-      { "SQLITE_OPEN_MASTER_JOURNAL", SQLITE_OPEN_MASTER_JOURNAL },
-      { "SQLITE_OPEN_NOMUTEX", SQLITE_OPEN_NOMUTEX },
-      { "SQLITE_OPEN_FULLMUTEX", SQLITE_OPEN_FULLMUTEX },
-      { "SQLITE_OPEN_SHAREDCACHE", SQLITE_OPEN_SHAREDCACHE },
-      { "SQLITE_OPEN_PRIVATECACHE", SQLITE_OPEN_PRIVATECACHE },
-      { "SQLITE_OPEN_WAL", SQLITE_OPEN_WAL },
-      { "SQLITE_OPEN_URI", SQLITE_OPEN_URI },
-      { 0, 0 }
-    };
-    rc = Tcl_GetIndexFromObjStruct(interp, apFlag[i], aFlag, sizeof(aFlag[0]), 
-        "flag", 0, &iFlag
-    );
-    if( rc!=TCL_OK ) return rc;
-    flags |= aFlag[iFlag].flag;
-  }
-
-  rc = sqlite3_open_v2(zFilename, &db, flags, zVfs);
-  if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
-  Tcl_AppendResult(interp, zBuf, 0);
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_open16 filename options
-*/
-static int test_open16(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-#ifndef SQLITE_OMIT_UTF16
-  const void *zFilename;
-  sqlite3 *db;
-  char zBuf[100];
-
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " filename options-list", 0);
-    return TCL_ERROR;
-  }
-
-  zFilename = Tcl_GetByteArrayFromObj(objv[1], 0);
-  sqlite3_open16(zFilename, &db);
-  
-  if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
-  Tcl_AppendResult(interp, zBuf, 0);
-#endif /* SQLITE_OMIT_UTF16 */
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_complete16 <UTF-16 string>
-**
-** Return 1 if the supplied argument is a complete SQL statement, or zero
-** otherwise.
-*/
-static int test_complete16(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-#if !defined(SQLITE_OMIT_COMPLETE) && !defined(SQLITE_OMIT_UTF16)
-  char *zBuf;
-
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "<utf-16 sql>");
-    return TCL_ERROR;
-  }
-
-  zBuf = (char*)Tcl_GetByteArrayFromObj(objv[1], 0);
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_complete16(zBuf)));
-#endif /* SQLITE_OMIT_COMPLETE && SQLITE_OMIT_UTF16 */
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_step STMT
-**
-** Advance the statement to the next row.
-*/
-static int test_step(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int rc;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " STMT", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  rc = sqlite3_step(pStmt);
-
-  /* if( rc!=SQLITE_DONE && rc!=SQLITE_ROW ) return TCL_ERROR; */
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
-  return TCL_OK;
-}
-
-static int test_sql(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "STMT");
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  Tcl_SetResult(interp, (char *)sqlite3_sql(pStmt), TCL_VOLATILE);
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_column_count STMT 
-**
-** Return the number of columns returned by the sql statement STMT.
-*/
-static int test_column_count(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " STMT column", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_column_count(pStmt)));
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_column_type STMT column
-**
-** Return the type of the data in column 'column' of the current row.
-*/
-static int test_column_type(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int col;
-  int tp;
-
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " STMT column", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
-
-  tp = sqlite3_column_type(pStmt, col);
-  switch( tp ){
-    case SQLITE_INTEGER: 
-      Tcl_SetResult(interp, "INTEGER", TCL_STATIC); 
-      break;
-    case SQLITE_NULL:
-      Tcl_SetResult(interp, "NULL", TCL_STATIC); 
-      break;
-    case SQLITE_FLOAT:
-      Tcl_SetResult(interp, "FLOAT", TCL_STATIC); 
-      break;
-    case SQLITE_TEXT:
-      Tcl_SetResult(interp, "TEXT", TCL_STATIC); 
-      break;
-    case SQLITE_BLOB:
-      Tcl_SetResult(interp, "BLOB", TCL_STATIC); 
-      break;
-    default:
-      assert(0);
-  }
-
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_column_int64 STMT column
-**
-** Return the data in column 'column' of the current row cast as an
-** wide (64-bit) integer.
-*/
-static int test_column_int64(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int col;
-  i64 iVal;
-
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " STMT column", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
-
-  iVal = sqlite3_column_int64(pStmt, col);
-  Tcl_SetObjResult(interp, Tcl_NewWideIntObj(iVal));
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_column_blob STMT column
-*/
-static int test_column_blob(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int col;
-
-  int len;
-  const void *pBlob;
-
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " STMT column", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
-
-  len = sqlite3_column_bytes(pStmt, col);
-  pBlob = sqlite3_column_blob(pStmt, col);
-  Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(pBlob, len));
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_column_double STMT column
-**
-** Return the data in column 'column' of the current row cast as a double.
-*/
-static int test_column_double(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int col;
-  double rVal;
-
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " STMT column", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
-
-  rVal = sqlite3_column_double(pStmt, col);
-  Tcl_SetObjResult(interp, Tcl_NewDoubleObj(rVal));
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_data_count STMT 
-**
-** Return the number of columns returned by the sql statement STMT.
-*/
-static int test_data_count(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " STMT column", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_data_count(pStmt)));
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_column_text STMT column
-**
-** Usage: sqlite3_column_decltype STMT column
-**
-** Usage: sqlite3_column_name STMT column
-*/
-static int test_stmt_utf8(
-  void * clientData,        /* Pointer to SQLite API function to be invoke */
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int col;
-  const char *(*xFunc)(sqlite3_stmt*, int);
-  const char *zRet;
-
-  xFunc = (const char *(*)(sqlite3_stmt*, int))clientData;
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " STMT column", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
-  zRet = xFunc(pStmt, col);
-  if( zRet ){
-    Tcl_SetResult(interp, (char *)zRet, 0);
-  }
-  return TCL_OK;
-}
-
-static int test_global_recover(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-#ifndef SQLITE_OMIT_DEPRECATED
-  int rc;
-  if( objc!=1 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "");
-    return TCL_ERROR;
-  }
-  rc = sqlite3_global_recover();
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
-#endif
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_column_text STMT column
-**
-** Usage: sqlite3_column_decltype STMT column
-**
-** Usage: sqlite3_column_name STMT column
-*/
-static int test_stmt_utf16(
-  void * clientData,     /* Pointer to SQLite API function to be invoked */
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-#ifndef SQLITE_OMIT_UTF16
-  sqlite3_stmt *pStmt;
-  int col;
-  Tcl_Obj *pRet;
-  const void *zName16;
-  const void *(*xFunc)(sqlite3_stmt*, int);
-
-  xFunc = (const void *(*)(sqlite3_stmt*, int))clientData;
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " STMT column", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
-
-  zName16 = xFunc(pStmt, col);
-  if( zName16 ){
-    int n;
-    const char *z = zName16;
-    for(n=0; z[n] || z[n+1]; n+=2){}
-    pRet = Tcl_NewByteArrayObj(zName16, n+2);
-    Tcl_SetObjResult(interp, pRet);
-  }
-#endif /* SQLITE_OMIT_UTF16 */
-
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_column_int STMT column
-**
-** Usage: sqlite3_column_bytes STMT column
-**
-** Usage: sqlite3_column_bytes16 STMT column
-**
-*/
-static int test_stmt_int(
-  void * clientData,    /* Pointer to SQLite API function to be invoked */
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_stmt *pStmt;
-  int col;
-  int (*xFunc)(sqlite3_stmt*, int);
-
-  xFunc = (int (*)(sqlite3_stmt*, int))clientData;
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", 
-       Tcl_GetString(objv[0]), " STMT column", 0);
-    return TCL_ERROR;
-  }
-
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
-
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(xFunc(pStmt, col)));
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite_set_magic  DB  MAGIC-NUMBER
-**
-** Set the db->magic value.  This is used to test error recovery logic.
-*/
-static int sqlite_set_magic(
-  void * clientData,
-  Tcl_Interp *interp,
-  int argc,
-  char **argv
-){
-  sqlite3 *db;
-  if( argc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
-         " DB MAGIC", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  if( strcmp(argv[2], "SQLITE_MAGIC_OPEN")==0 ){
-    db->magic = SQLITE_MAGIC_OPEN;
-  }else if( strcmp(argv[2], "SQLITE_MAGIC_CLOSED")==0 ){
-    db->magic = SQLITE_MAGIC_CLOSED;
-  }else if( strcmp(argv[2], "SQLITE_MAGIC_BUSY")==0 ){
-    db->magic = SQLITE_MAGIC_BUSY;
-  }else if( strcmp(argv[2], "SQLITE_MAGIC_ERROR")==0 ){
-    db->magic = SQLITE_MAGIC_ERROR;
-  }else if( Tcl_GetInt(interp, argv[2], (int*)&db->magic) ){
-    return TCL_ERROR;
-  }
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_interrupt  DB 
-**
-** Trigger an interrupt on DB
-*/
-static int test_interrupt(
-  void * clientData,
-  Tcl_Interp *interp,
-  int argc,
-  char **argv
-){
-  sqlite3 *db;
-  if( argc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  sqlite3_interrupt(db);
-  return TCL_OK;
-}
-
-static u8 *sqlite3_stack_baseline = 0;
-
-/*
-** Fill the stack with a known bitpattern.
-*/
-static void prepStack(void){
-  int i;
-  u32 bigBuf[65536];
-  for(i=0; i<sizeof(bigBuf)/sizeof(bigBuf[0]); i++) bigBuf[i] = 0xdeadbeef;
-  sqlite3_stack_baseline = (u8*)&bigBuf[65536];
-}
-
-/*
-** Get the current stack depth.  Used for debugging only.
-*/
-u64 sqlite3StackDepth(void){
-  u8 x;
-  return (u64)(sqlite3_stack_baseline - &x);
-}
-
-/*
-** Usage:  sqlite3_stack_used DB SQL
-**
-** Try to measure the amount of stack space used by a call to sqlite3_exec
-*/
-static int test_stack_used(
-  void * clientData,
-  Tcl_Interp *interp,
-  int argc,
-  char **argv
-){
-  sqlite3 *db;
-  int i;
-  if( argc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
-        " DB SQL", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  prepStack();
-  (void)sqlite3_exec(db, argv[2], 0, 0, 0);
-  for(i=65535; i>=0 && ((u32*)sqlite3_stack_baseline)[-i]==0xdeadbeef; i--){}
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(i*4));
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite_delete_function DB function-name
-**
-** Delete the user function 'function-name' from database handle DB. It
-** is assumed that the user function was created as UTF8, any number of
-** arguments (the way the TCL interface does it).
-*/
-static int delete_function(
-  void * clientData,
-  Tcl_Interp *interp,
-  int argc,
-  char **argv
-){
-  int rc;
-  sqlite3 *db;
-  if( argc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
-        " DB function-name", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0, 0, 0, 0);
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite_delete_collation DB collation-name
-**
-** Delete the collation sequence 'collation-name' from database handle 
-** DB. It is assumed that the collation sequence was created as UTF8 (the 
-** way the TCL interface does it).
-*/
-static int delete_collation(
-  void * clientData,
-  Tcl_Interp *interp,
-  int argc,
-  char **argv
-){
-  int rc;
-  sqlite3 *db;
-  if( argc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
-        " DB function-name", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  rc = sqlite3_create_collation(db, argv[2], SQLITE_UTF8, 0, 0);
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_get_autocommit DB
-**
-** Return true if the database DB is currently in auto-commit mode.
-** Return false if not.
-*/
-static int get_autocommit(
-  void * clientData,
-  Tcl_Interp *interp,
-  int argc,
-  char **argv
-){
-  char zBuf[30];
-  sqlite3 *db;
-  if( argc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
-        " DB", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  sprintf(zBuf, "%d", sqlite3_get_autocommit(db));
-  Tcl_AppendResult(interp, zBuf, 0);
-  return TCL_OK;
-}
-
-/*
-** Usage: sqlite3_busy_timeout DB MS
-**
-** Set the busy timeout.  This is more easily done using the timeout
-** method of the TCL interface.  But we need a way to test the case
-** where it returns SQLITE_MISUSE.
-*/
-static int test_busy_timeout(
-  void * clientData,
-  Tcl_Interp *interp,
-  int argc,
-  char **argv
-){
-  int rc, ms;
-  sqlite3 *db;
-  if( argc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], 
-        " DB", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
-  if( Tcl_GetInt(interp, argv[2], &ms) ) return TCL_ERROR;
-  rc = sqlite3_busy_timeout(db, ms);
-  Tcl_AppendResult(interp, sqlite3ErrName(rc), 0);
-  return TCL_OK;
-}
-
-/*
-** Usage:  tcl_variable_type VARIABLENAME
-**
-** Return the name of the internal representation for the
-** value of the given variable.
-*/
-static int tcl_variable_type(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  Tcl_Obj *pVar;
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "VARIABLE");
-    return TCL_ERROR;
-  }
-  pVar = Tcl_GetVar2Ex(interp, Tcl_GetString(objv[1]), 0, TCL_LEAVE_ERR_MSG);
-  if( pVar==0 ) return TCL_ERROR;
-  if( pVar->typePtr ){
-    Tcl_SetObjResult(interp, Tcl_NewStringObj(pVar->typePtr->name, -1));
-  }
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_release_memory ?N?
-**
-** Attempt to release memory currently held but not actually required.
-** The integer N is the number of bytes we are trying to release.  The 
-** return value is the amount of memory actually released.
-*/
-static int test_release_memory(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-#if defined(SQLITE_ENABLE_MEMORY_MANAGEMENT) && !defined(SQLITE_OMIT_DISKIO)
-  int N;
-  int amt;
-  if( objc!=1 && objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "?N?");
-    return TCL_ERROR;
-  }
-  if( objc==2 ){
-    if( Tcl_GetIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
-  }else{
-    N = -1;
-  }
-  amt = sqlite3_release_memory(N);
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(amt));
-#endif
-  return TCL_OK;
-}
-
-
-/*
-** Usage:  sqlite3_db_release_memory DB
-**
-** Attempt to release memory currently held by database DB.  Return the
-** result code (which in the current implementation is always zero).
-*/
-static int test_db_release_memory(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  int rc;
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB");
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  rc = sqlite3_db_release_memory(db);
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_db_filename DB DBNAME
-**
-** Return the name of a file associated with a database.
-*/
-static int test_db_filename(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  const char *zDbName;
-  if( objc!=3 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  zDbName = Tcl_GetString(objv[2]);
-  Tcl_AppendResult(interp, sqlite3_db_filename(db, zDbName), (void*)0);
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_db_readonly DB DBNAME
-**
-** Return 1 or 0 if DBNAME is readonly or not.  Return -1 if DBNAME does
-** not exist.
-*/
-static int test_db_readonly(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  const char *zDbName;
-  if( objc!=3 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  zDbName = Tcl_GetString(objv[2]);
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_db_readonly(db, zDbName)));
-  return TCL_OK;
-}
-
-/*
-** Usage:  sqlite3_soft_heap_limit ?N?
-**
-** Query or set the soft heap limit for the current thread.  The
-** limit is only changed if the N is present.  The previous limit
-** is returned.
-*/
-static int test_soft_heap_limit(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3_int64 amt;
-  Tcl_WideInt N = -1;
-  if( objc!=1 && objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "?N?");
-    return TCL_ERROR;
-  }
-  if( objc==2 ){
-    if( Tcl_GetWideIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
-  }
-  amt = sqlite3_soft_heap_limit64(N);
-  Tcl_SetObjResult(interp, Tcl_NewWideIntObj(amt));
-  return TCL_OK;
-}
-
-/*
-** Usage:   sqlite3_thread_cleanup
-**
-** Call the sqlite3_thread_cleanup API.
-*/
-static int test_thread_cleanup(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-#ifndef SQLITE_OMIT_DEPRECATED
-  sqlite3_thread_cleanup();
-#endif
-  return TCL_OK;
-}
-
-/*
-** Usage:   sqlite3_pager_refcounts  DB
-**
-** Return a list of numbers which are the PagerRefcount for all
-** pagers on each database connection.
-*/
-static int test_pager_refcounts(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  sqlite3 *db;
-  int i;
-  int v, *a;
-  Tcl_Obj *pResult;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  pResult = Tcl_NewObj();
-  for(i=0; i<db->nDb; i++){
-    if( db->aDb[i].pBt==0 ){
-      v = -1;
-    }else{
-      sqlite3_mutex_enter(db->mutex);
-      a = sqlite3PagerStats(sqlite3BtreePager(db->aDb[i].pBt));
-      v = a[0];
-      sqlite3_mutex_leave(db->mutex);
-    }
-    Tcl_ListObjAppendElement(0, pResult, Tcl_NewIntObj(v));
-  }
-  Tcl_SetObjResult(interp, pResult);
-  return TCL_OK;
-}
-
-
-/*
-** tclcmd:   working_64bit_int
-**
-** Some TCL builds (ex: cygwin) do not support 64-bit integers.  This
-** leads to a number of test failures.  The present command checks the
-** TCL build to see whether or not it supports 64-bit integers.  It
-** returns TRUE if it does and FALSE if not.
-**
-** This command is used to warn users that their TCL build is defective
-** and that the errors they are seeing in the test scripts might be
-** a result of their defective TCL rather than problems in SQLite.
-*/
-static int working_64bit_int(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  Tcl_Obj *pTestObj;
-  int working = 0;
-
-  pTestObj = Tcl_NewWideIntObj(1000000*(i64)1234567890);
-  working = strcmp(Tcl_GetString(pTestObj), "1234567890000000")==0;
-  Tcl_DecrRefCount(pTestObj);
-  Tcl_SetObjResult(interp, Tcl_NewBooleanObj(working));
-  return TCL_OK;
-}
-
-
-/*
-** tclcmd:   vfs_unlink_test
-**
-** This TCL command unregisters the primary VFS and then registers
-** it back again.  This is used to test the ability to register a
-** VFS when none are previously registered, and the ability to 
-** unregister the only available VFS.  Ticket #2738
-*/
-static int vfs_unlink_test(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  int i;
-  sqlite3_vfs *pMain;
-  sqlite3_vfs *apVfs[20];
-  sqlite3_vfs one, two;
-
-  sqlite3_vfs_unregister(0);   /* Unregister of NULL is harmless */
-  one.zName = "__one";
-  two.zName = "__two";
-
-  /* Calling sqlite3_vfs_register with 2nd argument of 0 does not
-  ** change the default VFS
-  */
-  pMain = sqlite3_vfs_find(0);
-  sqlite3_vfs_register(&one, 0);
-  assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
-  sqlite3_vfs_register(&two, 0);
-  assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
-
-  /* We can find a VFS by its name */
-  assert( sqlite3_vfs_find("__one")==&one );
-  assert( sqlite3_vfs_find("__two")==&two );
-
-  /* Calling sqlite_vfs_register with non-zero second parameter changes the
-  ** default VFS, even if the 1st parameter is an existig VFS that is
-  ** previously registered as the non-default.
-  */
-  sqlite3_vfs_register(&one, 1);
-  assert( sqlite3_vfs_find("__one")==&one );
-  assert( sqlite3_vfs_find("__two")==&two );
-  assert( sqlite3_vfs_find(0)==&one );
-  sqlite3_vfs_register(&two, 1);
-  assert( sqlite3_vfs_find("__one")==&one );
-  assert( sqlite3_vfs_find("__two")==&two );
-  assert( sqlite3_vfs_find(0)==&two );
-  if( pMain ){
-    sqlite3_vfs_register(pMain, 1);
-    assert( sqlite3_vfs_find("__one")==&one );
-    assert( sqlite3_vfs_find("__two")==&two );
-    assert( sqlite3_vfs_find(0)==pMain );
-  }
-  
-  /* Unlink the default VFS.  Repeat until there are no more VFSes
-  ** registered.
-  */
-  for(i=0; i<sizeof(apVfs)/sizeof(apVfs[0]); i++){
-    apVfs[i] = sqlite3_vfs_find(0);
-    if( apVfs[i] ){
-      assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
-      sqlite3_vfs_unregister(apVfs[i]);
-      assert( 0==sqlite3_vfs_find(apVfs[i]->zName) );
-    }
-  }
-  assert( 0==sqlite3_vfs_find(0) );
-  
-  /* Register the main VFS as non-default (will be made default, since
-  ** it'll be the only one in existence).
-  */
-  sqlite3_vfs_register(pMain, 0);
-  assert( sqlite3_vfs_find(0)==pMain );
-  
-  /* Un-register the main VFS again to restore an empty VFS list */
-  sqlite3_vfs_unregister(pMain);
-  assert( 0==sqlite3_vfs_find(0) );
-
-  /* Relink all VFSes in reverse order. */  
-  for(i=sizeof(apVfs)/sizeof(apVfs[0])-1; i>=0; i--){
-    if( apVfs[i] ){
-      sqlite3_vfs_register(apVfs[i], 1);
-      assert( apVfs[i]==sqlite3_vfs_find(0) );
-      assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
-    }
-  }
-
-  /* Unregister out sample VFSes. */
-  sqlite3_vfs_unregister(&one);
-  sqlite3_vfs_unregister(&two);
-
-  /* Unregistering a VFS that is not currently registered is harmless */
-  sqlite3_vfs_unregister(&one);
-  sqlite3_vfs_unregister(&two);
-  assert( sqlite3_vfs_find("__one")==0 );
-  assert( sqlite3_vfs_find("__two")==0 );
-
-  /* We should be left with the original default VFS back as the
-  ** original */
-  assert( sqlite3_vfs_find(0)==pMain );
-
-  return TCL_OK;
-}
-
-/*
-** tclcmd:   vfs_initfail_test
-**
-** This TCL command attempts to vfs_find and vfs_register when the
-** sqlite3_initialize() interface is failing.  All calls should fail.
-*/
-static int vfs_initfail_test(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3_vfs one;
-  one.zName = "__one";
-
-  if( sqlite3_vfs_find(0) ) return TCL_ERROR;
-  sqlite3_vfs_register(&one, 0);
-  if( sqlite3_vfs_find(0) ) return TCL_ERROR;
-  sqlite3_vfs_register(&one, 1);
-  if( sqlite3_vfs_find(0) ) return TCL_ERROR;
-  return TCL_OK;
-}
-
-/*
-** Saved VFSes
-*/
-static sqlite3_vfs *apVfs[20];
-static int nVfs = 0;
-
-/*
-** tclcmd:   vfs_unregister_all
-**
-** Unregister all VFSes.
-*/
-static int vfs_unregister_all(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  int i;
-  for(i=0; i<ArraySize(apVfs); i++){
-    apVfs[i] = sqlite3_vfs_find(0);
-    if( apVfs[i]==0 ) break;
-    sqlite3_vfs_unregister(apVfs[i]);
-  }
-  nVfs = i;
-  return TCL_OK;
-}
-/*
-** tclcmd:   vfs_reregister_all
-**
-** Restore all VFSes that were removed using vfs_unregister_all
-*/
-static int vfs_reregister_all(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  int i;
-  for(i=0; i<nVfs; i++){
-    sqlite3_vfs_register(apVfs[i], i==0);
-  }
-  return TCL_OK;
-}
-
-
-/*
-** tclcmd:   file_control_test DB
-**
-** This TCL command runs the sqlite3_file_control interface and
-** verifies correct operation of the same.
-*/
-static int file_control_test(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  int iArg = 0;
-  sqlite3 *db;
-  int rc;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  rc = sqlite3_file_control(db, 0, 0, &iArg);
-  assert( rc==SQLITE_NOTFOUND );
-  rc = sqlite3_file_control(db, "notadatabase", SQLITE_FCNTL_LOCKSTATE, &iArg);
-  assert( rc==SQLITE_ERROR );
-  rc = sqlite3_file_control(db, "main", -1, &iArg);
-  assert( rc==SQLITE_NOTFOUND );
-  rc = sqlite3_file_control(db, "temp", -1, &iArg);
-  assert( rc==SQLITE_NOTFOUND || rc==SQLITE_ERROR );
-
-  return TCL_OK;
-}
-
-
-/*
-** tclcmd:   file_control_lasterrno_test DB
-**
-** This TCL command runs the sqlite3_file_control interface and
-** verifies correct operation of the SQLITE_LAST_ERRNO verb.
-*/
-static int file_control_lasterrno_test(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  int iArg = 0;
-  sqlite3 *db;
-  int rc;
-
-  if( objc!=2 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
-    return TCL_ERROR;
-  }
-  rc = sqlite3_file_control(db, NULL, SQLITE_LAST_ERRNO, &iArg);
-  if( rc ){ 
-    Tcl_SetObjResult(interp, Tcl_NewIntObj(rc)); 
-    return TCL_ERROR; 
-  }
-  if( iArg!=0 ) {
-    Tcl_AppendResult(interp, "Unexpected non-zero errno: ",
-                     Tcl_GetStringFromObj(Tcl_NewIntObj(iArg), 0), " ", 0);
-    return TCL_ERROR;
-  }
-  return TCL_OK;  
-}
-
-/*
-** tclcmd:   file_control_chunksize_test DB DBNAME SIZE
-**
-** This TCL command runs the sqlite3_file_control interface and
-** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
-** SQLITE_SET_LOCKPROXYFILE verbs.
-*/
-static int file_control_chunksize_test(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  int nSize;                      /* New chunk size */
-  char *zDb;                      /* Db name ("main", "temp" etc.) */
-  sqlite3 *db;                    /* Database handle */
-  int rc;                         /* file_control() return code */
-
-  if( objc!=4 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) 
-   || Tcl_GetIntFromObj(interp, objv[3], &nSize)
-  ){
-   return TCL_ERROR;
-  }
-  zDb = Tcl_GetString(objv[2]);
-  if( zDb[0]=='\0' ) zDb = NULL;
-
-  rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_CHUNK_SIZE, (void *)&nSize);
-  if( rc ){
-    Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
-    return TCL_ERROR;
-  }
-  return TCL_OK;
-}
-
-/*
-** tclcmd:   file_control_sizehint_test DB DBNAME SIZE
-**
-** This TCL command runs the sqlite3_file_control interface 
-** with SQLITE_FCNTL_SIZE_HINT
-*/
-static int file_control_sizehint_test(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  Tcl_WideInt nSize;              /* Hinted size */
-  char *zDb;                      /* Db name ("main", "temp" etc.) */
-  sqlite3 *db;                    /* Database handle */
-  int rc;                         /* file_control() return code */
-
-  if( objc!=4 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) 
-   || Tcl_GetWideIntFromObj(interp, objv[3], &nSize)
-  ){
-   return TCL_ERROR;
-  }
-  zDb = Tcl_GetString(objv[2]);
-  if( zDb[0]=='\0' ) zDb = NULL;
-
-  rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_SIZE_HINT, (void *)&nSize);
-  if( rc ){
-    Tcl_SetResult(interp, (char *)sqlite3ErrName(rc), TCL_STATIC);
-    return TCL_ERROR;
-  }
-  return TCL_OK;
-}
-
-/*
-** tclcmd:   file_control_lockproxy_test DB PWD
-**
-** This TCL command runs the sqlite3_file_control interface and
-** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
-** SQLITE_SET_LOCKPROXYFILE verbs.
-*/
-static int file_control_lockproxy_test(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3 *db;
-  
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-                     Tcl_GetStringFromObj(objv[0], 0), " DB PWD", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
-   return TCL_ERROR;
-  }
-  
-#if !defined(SQLITE_ENABLE_LOCKING_STYLE)
-#  if defined(__APPLE__)
-#    define SQLITE_ENABLE_LOCKING_STYLE 1
-#  else
-#    define SQLITE_ENABLE_LOCKING_STYLE 0
-#  endif
-#endif
-#if SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__)
-  {
-    char *testPath;
-    int rc;
-    int nPwd;
-    const char *zPwd;
-    char proxyPath[400];
-    
-    zPwd = Tcl_GetStringFromObj(objv[2], &nPwd);
-    if( sizeof(proxyPath)<nPwd+20 ){
-      Tcl_AppendResult(interp, "PWD too big", (void*)0);
-      return TCL_ERROR;
-    }
-    sprintf(proxyPath, "%s/test.proxy", zPwd);
-    rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
-    if( rc ){
-      Tcl_SetObjResult(interp, Tcl_NewIntObj(rc)); 
-      return TCL_ERROR;
-    }
-    rc = sqlite3_file_control(db, NULL, SQLITE_GET_LOCKPROXYFILE, &testPath);
-    if( strncmp(proxyPath,testPath,11) ){
-      Tcl_AppendResult(interp, "Lock proxy file did not match the "
-                               "previously assigned value", 0);
-      return TCL_ERROR;
-    }
-    if( rc ){
-      Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
-      return TCL_ERROR;
-    }
-    rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
-    if( rc ){
-      Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
-      return TCL_ERROR;
-    }
-  }
-#endif
-  return TCL_OK;  
-}
-
-#if SQLITE_OS_WIN
-/*
-** tclcmd:   file_control_win32_av_retry DB  NRETRY  DELAY
-**
-** This TCL command runs the sqlite3_file_control interface with
-** the SQLITE_FCNTL_WIN32_AV_RETRY opcode.
-*/
-static int file_control_win32_av_retry(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3 *db;
-  int rc;
-  int a[2];
-  char z[100];
-
-  if( objc!=4 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " DB NRETRY DELAY", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
-    return TCL_ERROR;
-  }
-  if( Tcl_GetIntFromObj(interp, objv[2], &a[0]) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[3], &a[1]) ) return TCL_ERROR;
-  rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_AV_RETRY, (void*)a);
-  sqlite3_snprintf(sizeof(z), z, "%d %d %d", rc, a[0], a[1]);
-  Tcl_AppendResult(interp, z, (char*)0);
-  return TCL_OK;  
-}
-
-/*
-** tclcmd:   file_control_win32_set_handle DB HANDLE
-**
-** This TCL command runs the sqlite3_file_control interface with
-** the SQLITE_FCNTL_WIN32_SET_HANDLE opcode.
-*/
-static int file_control_win32_set_handle(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3 *db;
-  int rc;
-  HANDLE hFile = NULL;
-  char z[100];
-
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " DB HANDLE", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
-    return TCL_ERROR;
-  }
-  if( getWin32Handle(interp, Tcl_GetString(objv[2]), &hFile) ){
-    return TCL_ERROR;
-  }
-  rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_SET_HANDLE,
-                            (void*)&hFile);
-  sqlite3_snprintf(sizeof(z), z, "%d %p", rc, (void*)hFile);
-  Tcl_AppendResult(interp, z, (char*)0);
-  return TCL_OK;  
-}
-#endif
-
-/*
-** tclcmd:   file_control_persist_wal DB PERSIST-FLAG
-**
-** This TCL command runs the sqlite3_file_control interface with
-** the SQLITE_FCNTL_PERSIST_WAL opcode.
-*/
-static int file_control_persist_wal(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3 *db;
-  int rc;
-  int bPersist;
-  char z[100];
-
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
-    return TCL_ERROR;
-  }
-  if( Tcl_GetIntFromObj(interp, objv[2], &bPersist) ) return TCL_ERROR;
-  rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_PERSIST_WAL, (void*)&bPersist);
-  sqlite3_snprintf(sizeof(z), z, "%d %d", rc, bPersist);
-  Tcl_AppendResult(interp, z, (char*)0);
-  return TCL_OK;  
-}
-
-/*
-** tclcmd:   file_control_powersafe_overwrite DB PSOW-FLAG
-**
-** This TCL command runs the sqlite3_file_control interface with
-** the SQLITE_FCNTL_POWERSAFE_OVERWRITE opcode.
-*/
-static int file_control_powersafe_overwrite(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3 *db;
-  int rc;
-  int b;
-  char z[100];
-
-  if( objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
-    return TCL_ERROR;
-  }
-  if( Tcl_GetIntFromObj(interp, objv[2], &b) ) return TCL_ERROR;
-  rc = sqlite3_file_control(db,NULL,SQLITE_FCNTL_POWERSAFE_OVERWRITE,(void*)&b);
-  sqlite3_snprintf(sizeof(z), z, "%d %d", rc, b);
-  Tcl_AppendResult(interp, z, (char*)0);
-  return TCL_OK;  
-}
-
-
-/*
-** tclcmd:   file_control_vfsname DB ?AUXDB?
-**
-** Return a string that describes the stack of VFSes.
-*/
-static int file_control_vfsname(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3 *db;
-  const char *zDbName = "main";
-  char *zVfsName = 0;
-
-  if( objc!=2 && objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
-    return TCL_ERROR;
-  }
-  if( objc==3 ){
-    zDbName = Tcl_GetString(objv[2]);
-  }
-  sqlite3_file_control(db, zDbName, SQLITE_FCNTL_VFSNAME,(void*)&zVfsName);
-  Tcl_AppendResult(interp, zVfsName, (char*)0);
-  sqlite3_free(zVfsName);
-  return TCL_OK;  
-}
-
-/*
-** tclcmd:   file_control_tempfilename DB ?AUXDB?
-**
-** Return a string that is a temporary filename
-*/
-static int file_control_tempfilename(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3 *db;
-  const char *zDbName = "main";
-  char *zTName = 0;
-
-  if( objc!=2 && objc!=3 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
-    return TCL_ERROR;
-  }
-  if( objc==3 ){
-    zDbName = Tcl_GetString(objv[2]);
-  }
-  sqlite3_file_control(db, zDbName, SQLITE_FCNTL_TEMPFILENAME, (void*)&zTName);
-  Tcl_AppendResult(interp, zTName, (char*)0);
-  sqlite3_free(zTName);
-  return TCL_OK;  
-}
-
-
-/*
-** tclcmd:   sqlite3_vfs_list
-**
-**   Return a tcl list containing the names of all registered vfs's.
-*/
-static int vfs_list(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3_vfs *pVfs;
-  Tcl_Obj *pRet = Tcl_NewObj();
-  if( objc!=1 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "");
-    return TCL_ERROR;
-  }
-  for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){
-    Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj(pVfs->zName, -1));
-  }
-  Tcl_SetObjResult(interp, pRet);
-  return TCL_OK;  
-}
-
-/*
-** tclcmd:   sqlite3_limit DB ID VALUE
-**
-** This TCL command runs the sqlite3_limit interface and
-** verifies correct operation of the same.
-*/
-static int test_limit(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3 *db;
-  int rc;
-  static const struct {
-     char *zName;
-     int id;
-  } aId[] = {
-    { "SQLITE_LIMIT_LENGTH",              SQLITE_LIMIT_LENGTH               },
-    { "SQLITE_LIMIT_SQL_LENGTH",          SQLITE_LIMIT_SQL_LENGTH           },
-    { "SQLITE_LIMIT_COLUMN",              SQLITE_LIMIT_COLUMN               },
-    { "SQLITE_LIMIT_EXPR_DEPTH",          SQLITE_LIMIT_EXPR_DEPTH           },
-    { "SQLITE_LIMIT_COMPOUND_SELECT",     SQLITE_LIMIT_COMPOUND_SELECT      },
-    { "SQLITE_LIMIT_VDBE_OP",             SQLITE_LIMIT_VDBE_OP              },
-    { "SQLITE_LIMIT_FUNCTION_ARG",        SQLITE_LIMIT_FUNCTION_ARG         },
-    { "SQLITE_LIMIT_ATTACHED",            SQLITE_LIMIT_ATTACHED             },
-    { "SQLITE_LIMIT_LIKE_PATTERN_LENGTH", SQLITE_LIMIT_LIKE_PATTERN_LENGTH  },
-    { "SQLITE_LIMIT_VARIABLE_NUMBER",     SQLITE_LIMIT_VARIABLE_NUMBER      },
-    { "SQLITE_LIMIT_TRIGGER_DEPTH",       SQLITE_LIMIT_TRIGGER_DEPTH        },
-    { "SQLITE_LIMIT_WORKER_THREADS",      SQLITE_LIMIT_WORKER_THREADS       },
-    
-    /* Out of range test cases */
-    { "SQLITE_LIMIT_TOOSMALL",            -1,                               },
-    { "SQLITE_LIMIT_TOOBIG",              SQLITE_LIMIT_WORKER_THREADS+1     },
-  };
-  int i, id;
-  int val;
-  const char *zId;
-
-  if( objc!=4 ){
-    Tcl_AppendResult(interp, "wrong # args: should be \"",
-        Tcl_GetStringFromObj(objv[0], 0), " DB ID VALUE", 0);
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  zId = Tcl_GetString(objv[2]);
-  for(i=0; i<sizeof(aId)/sizeof(aId[0]); i++){
-    if( strcmp(zId, aId[i].zName)==0 ){
-      id = aId[i].id;
-      break;
-    }
-  }
-  if( i>=sizeof(aId)/sizeof(aId[0]) ){
-    Tcl_AppendResult(interp, "unknown limit type: ", zId, (char*)0);
-    return TCL_ERROR;
-  }
-  if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
-  rc = sqlite3_limit(db, id, val);
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
-  return TCL_OK;  
-}
-
-/*
-** tclcmd:  save_prng_state
-**
-** Save the state of the pseudo-random number generator.
-** At the same time, verify that sqlite3_test_control works even when
-** called with an out-of-range opcode.
-*/
-static int save_prng_state(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  int rc = sqlite3_test_control(9999);
-  assert( rc==0 );
-  rc = sqlite3_test_control(-1);
-  assert( rc==0 );
-  sqlite3_test_control(SQLITE_TESTCTRL_PRNG_SAVE);
-  return TCL_OK;
-}
-/*
-** tclcmd:  restore_prng_state
-*/
-static int restore_prng_state(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESTORE);
-  return TCL_OK;
-}
-/*
-** tclcmd:  reset_prng_state
-*/
-static int reset_prng_state(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESET);
-  return TCL_OK;
-}
-
-/*
-** tclcmd:  database_may_be_corrupt
-**
-** Indicate that database files might be corrupt.  In other words, set the normal
-** state of operation.
-*/
-static int database_may_be_corrupt(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3_test_control(SQLITE_TESTCTRL_NEVER_CORRUPT, 0);
-  return TCL_OK;
-}
-/*
-** tclcmd:  database_never_corrupt
-**
-** Indicate that database files are always well-formed.  This enables extra assert()
-** statements that test conditions that are always true for well-formed databases.
-*/
-static int database_never_corrupt(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3_test_control(SQLITE_TESTCTRL_NEVER_CORRUPT, 1);
-  return TCL_OK;
-}
-
-/*
-** tclcmd:  pcache_stats
-*/
-static int test_pcache_stats(
-  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  int nMin;
-  int nMax;
-  int nCurrent;
-  int nRecyclable;
-  Tcl_Obj *pRet;
-
-  sqlite3PcacheStats(&nCurrent, &nMax, &nMin, &nRecyclable);
-
-  pRet = Tcl_NewObj();
-  Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("current", -1));
-  Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCurrent));
-  Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("max", -1));
-  Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMax));
-  Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("min", -1));
-  Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMin));
-  Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("recyclable", -1));
-  Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nRecyclable));
-
-  Tcl_SetObjResult(interp, pRet);
-
-  return TCL_OK;
-}
-
-#ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
-static void test_unlock_notify_cb(void **aArg, int nArg){
-  int ii;
-  for(ii=0; ii<nArg; ii++){
-    Tcl_EvalEx((Tcl_Interp *)aArg[ii], "unlock_notify", -1, TCL_EVAL_GLOBAL);
-  }
-}
-#endif /* SQLITE_ENABLE_UNLOCK_NOTIFY */
-
-/*
-** tclcmd:  sqlite3_unlock_notify db
-*/
-#ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
-static int test_unlock_notify(
-  ClientData clientData, /* Unused */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  sqlite3 *db;
-  int rc;
-
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB");
-    return TCL_ERROR;
-  }
-
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
-    return TCL_ERROR;
-  }
-  rc = sqlite3_unlock_notify(db, test_unlock_notify_cb, (void *)interp);
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
-  return TCL_OK;
-}
-#endif
-
-/*
-** tclcmd:  sqlite3_wal_checkpoint db ?NAME?
-*/
-static int test_wal_checkpoint(
-  ClientData clientData, /* Unused */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  char *zDb = 0;
-  sqlite3 *db;
-  int rc;
-
-  if( objc!=3 && objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB ?NAME?");
-    return TCL_ERROR;
-  }
-
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
-    return TCL_ERROR;
-  }
-  if( objc==3 ){
-    zDb = Tcl_GetString(objv[2]);
-  }
-  rc = sqlite3_wal_checkpoint(db, zDb);
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
-  return TCL_OK;
-}
-
-/*
-** tclcmd:  sqlite3_wal_checkpoint_v2 db MODE ?NAME?
-**
-** This command calls the wal_checkpoint_v2() function with the specified
-** mode argument (passive, full or restart). If present, the database name
-** NAME is passed as the second argument to wal_checkpoint_v2(). If it the
-** NAME argument is not present, a NULL pointer is passed instead.
-**
-** If wal_checkpoint_v2() returns any value other than SQLITE_BUSY or
-** SQLITE_OK, then this command returns TCL_ERROR. The Tcl result is set
-** to the error message obtained from sqlite3_errmsg().
-**
-** Otherwise, this command returns a list of three integers. The first integer
-** is 1 if SQLITE_BUSY was returned, or 0 otherwise. The following two integers
-** are the values returned via the output parameters by wal_checkpoint_v2() -
-** the number of frames in the log and the number of frames in the log
-** that have been checkpointed.
-*/
-static int test_wal_checkpoint_v2(
-  ClientData clientData, /* Unused */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  char *zDb = 0;
-  sqlite3 *db;
-  int rc;
-
-  int eMode;
-  int nLog = -555;
-  int nCkpt = -555;
-  Tcl_Obj *pRet;
-
-  const char * aMode[] = { "passive", "full", "restart", 0 };
-  assert( SQLITE_CHECKPOINT_PASSIVE==0 );
-  assert( SQLITE_CHECKPOINT_FULL==1 );
-  assert( SQLITE_CHECKPOINT_RESTART==2 );
-
-  if( objc!=3 && objc!=4 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB MODE ?NAME?");
-    return TCL_ERROR;
-  }
-
-  if( objc==4 ){
-    zDb = Tcl_GetString(objv[3]);
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
-   || Tcl_GetIndexFromObj(interp, objv[2], aMode, "mode", 0, &eMode) 
-  ){
-    return TCL_ERROR;
-  }
-
-  rc = sqlite3_wal_checkpoint_v2(db, zDb, eMode, &nLog, &nCkpt);
-  if( rc!=SQLITE_OK && rc!=SQLITE_BUSY ){
-    Tcl_SetResult(interp, (char *)sqlite3_errmsg(db), TCL_VOLATILE);
-    return TCL_ERROR;
-  }
-
-  pRet = Tcl_NewObj();
-  Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(rc==SQLITE_BUSY?1:0));
-  Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nLog));
-  Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCkpt));
-  Tcl_SetObjResult(interp, pRet);
-
-  return TCL_OK;
-}
-
-/*
-** tclcmd:  test_sqlite3_log ?SCRIPT?
-*/
-static struct LogCallback {
-  Tcl_Interp *pInterp;
-  Tcl_Obj *pObj;
-} logcallback = {0, 0};
-static void xLogcallback(void *unused, int err, char *zMsg){
-  Tcl_Obj *pNew = Tcl_DuplicateObj(logcallback.pObj);
-  Tcl_IncrRefCount(pNew);
-  Tcl_ListObjAppendElement(
-      0, pNew, Tcl_NewStringObj(sqlite3ErrName(err), -1)
-  );
-  Tcl_ListObjAppendElement(0, pNew, Tcl_NewStringObj(zMsg, -1));
-  Tcl_EvalObjEx(logcallback.pInterp, pNew, TCL_EVAL_GLOBAL|TCL_EVAL_DIRECT);
-  Tcl_DecrRefCount(pNew);
-}
-static int test_sqlite3_log(
-  ClientData clientData,
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  if( objc>2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "SCRIPT");
-    return TCL_ERROR;
-  }
-  if( logcallback.pObj ){
-    Tcl_DecrRefCount(logcallback.pObj);
-    logcallback.pObj = 0;
-    logcallback.pInterp = 0;
-    sqlite3_config(SQLITE_CONFIG_LOG, 0, 0);
-  }
-  if( objc>1 ){
-    logcallback.pObj = objv[1];
-    Tcl_IncrRefCount(logcallback.pObj);
-    logcallback.pInterp = interp;
-    sqlite3_config(SQLITE_CONFIG_LOG, xLogcallback, 0);
-  }
-  return TCL_OK;
-}
-
-/*
-**     tcl_objproc COMMANDNAME ARGS...
-**
-** Run a TCL command using its objProc interface.  Throw an error if
-** the command has no objProc interface.
-*/
-static int runAsObjProc(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  Tcl_CmdInfo cmdInfo;
-  if( objc<2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "COMMAND ...");
-    return TCL_ERROR;
-  }
-  if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
-    Tcl_AppendResult(interp, "command not found: ",
-           Tcl_GetString(objv[1]), (char*)0);
-    return TCL_ERROR;
-  }
-  if( cmdInfo.objProc==0 ){
-    Tcl_AppendResult(interp, "command has no objProc: ",
-           Tcl_GetString(objv[1]), (char*)0);
-    return TCL_ERROR;
-  }
-  return cmdInfo.objProc(cmdInfo.objClientData, interp, objc-1, objv+1);
-}
-
-#ifndef SQLITE_OMIT_EXPLAIN
-/*
-** WARNING: The following function, printExplainQueryPlan() is an exact
-** copy of example code from eqp.in (eqp.html). If this code is modified,
-** then the documentation copy needs to be modified as well.
-*/
-/*
-** Argument pStmt is a prepared SQL statement. This function compiles
-** an EXPLAIN QUERY PLAN command to report on the prepared statement,
-** and prints the report to stdout using printf().
-*/
-int printExplainQueryPlan(sqlite3_stmt *pStmt){
-  const char *zSql;               /* Input SQL */
-  char *zExplain;                 /* SQL with EXPLAIN QUERY PLAN prepended */
-  sqlite3_stmt *pExplain;         /* Compiled EXPLAIN QUERY PLAN command */
-  int rc;                         /* Return code from sqlite3_prepare_v2() */
-
-  zSql = sqlite3_sql(pStmt);
-  if( zSql==0 ) return SQLITE_ERROR;
-
-  zExplain = sqlite3_mprintf("EXPLAIN QUERY PLAN %s", zSql);
-  if( zExplain==0 ) return SQLITE_NOMEM;
-
-  rc = sqlite3_prepare_v2(sqlite3_db_handle(pStmt), zExplain, -1, &pExplain, 0);
-  sqlite3_free(zExplain);
-  if( rc!=SQLITE_OK ) return rc;
-
-  while( SQLITE_ROW==sqlite3_step(pExplain) ){
-    int iSelectid = sqlite3_column_int(pExplain, 0);
-    int iOrder = sqlite3_column_int(pExplain, 1);
-    int iFrom = sqlite3_column_int(pExplain, 2);
-    const char *zDetail = (const char *)sqlite3_column_text(pExplain, 3);
-
-    printf("%d %d %d %s\n", iSelectid, iOrder, iFrom, zDetail);
-  }
-
-  return sqlite3_finalize(pExplain);
-}
-
-static int test_print_eqp(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  int rc;
-  sqlite3_stmt *pStmt;
-
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "STMT");
-    return TCL_ERROR;
-  }
-  if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
-  rc = printExplainQueryPlan(pStmt);
-  /* This is needed on Windows so that a test case using this 
-  ** function can open a read pipe and get the output of
-  ** printExplainQueryPlan() immediately.
-  */
-  fflush(stdout);
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
-  return TCL_OK;
-}
-#endif /* SQLITE_OMIT_EXPLAIN */
-
-/*
-** sqlite3_test_control VERB ARGS...
-*/
-static int test_test_control(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  struct Verb {
-    const char *zName;
-    int i;
-  } aVerb[] = {
-    { "SQLITE_TESTCTRL_LOCALTIME_FAULT", SQLITE_TESTCTRL_LOCALTIME_FAULT }, 
-    { "SQLITE_TESTCTRL_SORTER_MMAP", SQLITE_TESTCTRL_SORTER_MMAP }, 
-  };
-  int iVerb;
-  int iFlag;
-  int rc;
-
-  if( objc<2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "VERB ARGS...");
-    return TCL_ERROR;
-  }
-
-  rc = Tcl_GetIndexFromObjStruct(
-      interp, objv[1], aVerb, sizeof(aVerb[0]), "VERB", 0, &iVerb
-  );
-  if( rc!=TCL_OK ) return rc;
-
-  iFlag = aVerb[iVerb].i;
-  switch( iFlag ){
-    case SQLITE_TESTCTRL_LOCALTIME_FAULT: {
-      int val;
-      if( objc!=3 ){
-        Tcl_WrongNumArgs(interp, 2, objv, "ONOFF");
-        return TCL_ERROR;
-      }
-      if( Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
-      sqlite3_test_control(SQLITE_TESTCTRL_LOCALTIME_FAULT, val);
-      break;
-    }
-
-    case SQLITE_TESTCTRL_SORTER_MMAP: {
-      int val;
-      sqlite3 *db;
-      if( objc!=4 ){
-        Tcl_WrongNumArgs(interp, 2, objv, "DB LIMIT");
-        return TCL_ERROR;
-      }
-      if( getDbPointer(interp, Tcl_GetString(objv[2]), &db) ) return TCL_ERROR;
-      if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
-      sqlite3_test_control(SQLITE_TESTCTRL_SORTER_MMAP, db, val);
-      break;
-    }
-  }
-
-  Tcl_ResetResult(interp);
-  return TCL_OK;
-}
-
-#if SQLITE_OS_UNIX
-#include <sys/time.h>
-#include <sys/resource.h>
-
-static int test_getrusage(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  char buf[1024];
-  struct rusage r;
-  memset(&r, 0, sizeof(r));
-  getrusage(RUSAGE_SELF, &r);
-
-  sprintf(buf, "ru_utime=%d.%06d ru_stime=%d.%06d ru_minflt=%d ru_majflt=%d", 
-    (int)r.ru_utime.tv_sec, (int)r.ru_utime.tv_usec, 
-    (int)r.ru_stime.tv_sec, (int)r.ru_stime.tv_usec, 
-    (int)r.ru_minflt, (int)r.ru_majflt
-  );
-  Tcl_SetObjResult(interp, Tcl_NewStringObj(buf, -1));
-  return TCL_OK;
-}
-#endif
-
-#if SQLITE_OS_WIN
-/*
-** Information passed from the main thread into the windows file locker
-** background thread.
-*/
-struct win32FileLocker {
-  char *evName;       /* Name of event to signal thread startup */
-  HANDLE h;           /* Handle of the file to be locked */
-  int delay1;         /* Delay before locking */
-  int delay2;         /* Delay before unlocking */
-  int ok;             /* Finished ok */
-  int err;            /* True if an error occurs */
-};
-#endif
-
-
-#if SQLITE_OS_WIN
-#include <process.h>
-/*
-** The background thread that does file locking.
-*/
-static void win32_file_locker(void *pAppData){
-  struct win32FileLocker *p = (struct win32FileLocker*)pAppData;
-  if( p->evName ){
-    HANDLE ev = OpenEvent(EVENT_MODIFY_STATE, FALSE, p->evName);
-    if ( ev ){
-      SetEvent(ev);
-      CloseHandle(ev);
-    }
-  }
-  if( p->delay1 ) Sleep(p->delay1);
-  if( LockFile(p->h, 0, 0, 100000000, 0) ){
-    Sleep(p->delay2);
-    UnlockFile(p->h, 0, 0, 100000000, 0);
-    p->ok = 1;
-  }else{
-    p->err = 1;
-  }
-  CloseHandle(p->h);
-  p->h = 0;
-  p->delay1 = 0;
-  p->delay2 = 0;
-}
-#endif
-
-#if SQLITE_OS_WIN
-/*
-**      lock_win32_file FILENAME DELAY1 DELAY2
-**
-** Get an exclusive manditory lock on file for DELAY2 milliseconds.
-** Wait DELAY1 milliseconds before acquiring the lock.
-*/
-static int win32_file_lock(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  static struct win32FileLocker x = { "win32_file_lock", 0, 0, 0, 0, 0 };
-  const char *zFilename;
-  char zBuf[200];
-  int retry = 0;
-  HANDLE ev;
-  DWORD wResult;
-  
-  if( objc!=4 && objc!=1 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "FILENAME DELAY1 DELAY2");
-    return TCL_ERROR;
-  }
-  if( objc==1 ){
-    sqlite3_snprintf(sizeof(zBuf), zBuf, "%d %d %d %d %d",
-                     x.ok, x.err, x.delay1, x.delay2, x.h);
-    Tcl_AppendResult(interp, zBuf, (char*)0);
-    return TCL_OK;
-  }
-  while( x.h && retry<30 ){
-    retry++;
-    Sleep(100);
-  }
-  if( x.h ){
-    Tcl_AppendResult(interp, "busy", (char*)0);
-    return TCL_ERROR;
-  }
-  if( Tcl_GetIntFromObj(interp, objv[2], &x.delay1) ) return TCL_ERROR;
-  if( Tcl_GetIntFromObj(interp, objv[3], &x.delay2) ) return TCL_ERROR;
-  zFilename = Tcl_GetString(objv[1]);
-  x.h = CreateFile(zFilename, GENERIC_READ|GENERIC_WRITE,
-              FILE_SHARE_READ|FILE_SHARE_WRITE, 0, OPEN_ALWAYS,
-              FILE_ATTRIBUTE_NORMAL, 0);
-  if( !x.h ){
-    Tcl_AppendResult(interp, "cannot open file: ", zFilename, (char*)0);
-    return TCL_ERROR;
-  }
-  ev = CreateEvent(NULL, TRUE, FALSE, x.evName);
-  if ( !ev ){
-    Tcl_AppendResult(interp, "cannot create event: ", x.evName, (char*)0);
-    return TCL_ERROR;
-  }
-  _beginthread(win32_file_locker, 0, (void*)&x);
-  Sleep(0);
-  if ( (wResult = WaitForSingleObject(ev, 10000))!=WAIT_OBJECT_0 ){
-    sqlite3_snprintf(sizeof(zBuf), zBuf, "0x%x", wResult);
-    Tcl_AppendResult(interp, "wait failed: ", zBuf, (char*)0);
-    CloseHandle(ev);
-    return TCL_ERROR;
-  }
-  CloseHandle(ev);
-  return TCL_OK;
-}
-
-/*
-**      exists_win32_path PATH
-**
-** Returns non-zero if the specified path exists, whose fully qualified name
-** may exceed 260 characters if it is prefixed with "\\?\".
-*/
-static int win32_exists_path(
-  void *clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "PATH");
-    return TCL_ERROR;
-  }
-  Tcl_SetObjResult(interp, Tcl_NewBooleanObj(
-      GetFileAttributesW( Tcl_GetUnicode(objv[1]))!=INVALID_FILE_ATTRIBUTES ));
-  return TCL_OK;
-}
-
-/*
-**      find_win32_file PATTERN
-**
-** Returns a list of entries in a directory that match the specified pattern,
-** whose fully qualified name may exceed 248 characters if it is prefixed with
-** "\\?\".
-*/
-static int win32_find_file(
-  void *clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  HANDLE hFindFile = INVALID_HANDLE_VALUE;
-  WIN32_FIND_DATAW findData;
-  Tcl_Obj *listObj;
-  DWORD lastErrno;
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "PATTERN");
-    return TCL_ERROR;
-  }
-  hFindFile = FindFirstFileW(Tcl_GetUnicode(objv[1]), &findData);
-  if( hFindFile==INVALID_HANDLE_VALUE ){
-    Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
-    return TCL_ERROR;
-  }
-  listObj = Tcl_NewObj();
-  Tcl_IncrRefCount(listObj);
-  do {
-    Tcl_ListObjAppendElement(interp, listObj, Tcl_NewUnicodeObj(
-        findData.cFileName, -1));
-    Tcl_ListObjAppendElement(interp, listObj, Tcl_NewWideIntObj(
-        findData.dwFileAttributes));
-  } while( FindNextFileW(hFindFile, &findData) );
-  lastErrno = GetLastError();
-  if( lastErrno!=NO_ERROR && lastErrno!=ERROR_NO_MORE_FILES ){
-    FindClose(hFindFile);
-    Tcl_DecrRefCount(listObj);
-    Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
-    return TCL_ERROR;
-  }
-  FindClose(hFindFile);
-  Tcl_SetObjResult(interp, listObj);
-  return TCL_OK;
-}
-
-/*
-**      delete_win32_file FILENAME
-**
-** Deletes the specified file, whose fully qualified name may exceed 260
-** characters if it is prefixed with "\\?\".
-*/
-static int win32_delete_file(
-  void *clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "FILENAME");
-    return TCL_ERROR;
-  }
-  if( !DeleteFileW(Tcl_GetUnicode(objv[1])) ){
-    Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
-    return TCL_ERROR;
-  }
-  Tcl_ResetResult(interp);
-  return TCL_OK;
-}
-
-/*
-**      make_win32_dir DIRECTORY
-**
-** Creates the specified directory, whose fully qualified name may exceed 248
-** characters if it is prefixed with "\\?\".
-*/
-static int win32_mkdir(
-  void *clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DIRECTORY");
-    return TCL_ERROR;
-  }
-  if( !CreateDirectoryW(Tcl_GetUnicode(objv[1]), NULL) ){
-    Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
-    return TCL_ERROR;
-  }
-  Tcl_ResetResult(interp);
-  return TCL_OK;
-}
-
-/*
-**      remove_win32_dir DIRECTORY
-**
-** Removes the specified directory, whose fully qualified name may exceed 248
-** characters if it is prefixed with "\\?\".
-*/
-static int win32_rmdir(
-  void *clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DIRECTORY");
-    return TCL_ERROR;
-  }
-  if( !RemoveDirectoryW(Tcl_GetUnicode(objv[1])) ){
-    Tcl_SetObjResult(interp, Tcl_NewWideIntObj(GetLastError()));
-    return TCL_ERROR;
-  }
-  Tcl_ResetResult(interp);
-  return TCL_OK;
-}
-#endif
-
-
-/*
-**      optimization_control DB OPT BOOLEAN
-**
-** Enable or disable query optimizations using the sqlite3_test_control()
-** interface.  Disable if BOOLEAN is false and enable if BOOLEAN is true.
-** OPT is the name of the optimization to be disabled.
-*/
-static int optimization_control(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  int i;
-  sqlite3 *db;
-  const char *zOpt;
-  int onoff;
-  int mask = 0;
-  static const struct {
-    const char *zOptName;
-    int mask;
-  } aOpt[] = {
-    { "all",                 SQLITE_AllOpts        },
-    { "none",                0                     },
-    { "query-flattener",     SQLITE_QueryFlattener },
-    { "column-cache",        SQLITE_ColumnCache    },
-    { "groupby-order",       SQLITE_GroupByOrder   },
-    { "factor-constants",    SQLITE_FactorOutConst },
-    { "distinct-opt",        SQLITE_DistinctOpt    },
-    { "cover-idx-scan",      SQLITE_CoverIdxScan   },
-    { "order-by-idx-join",   SQLITE_OrderByIdxJoin },
-    { "transitive",          SQLITE_Transitive     },
-    { "subquery-coroutine",  SQLITE_SubqCoroutine  },
-    { "omit-noop-join",      SQLITE_OmitNoopJoin   },
-    { "stat3",               SQLITE_Stat3          },
-  };
-
-  if( objc!=4 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB OPT BOOLEAN");
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  if( Tcl_GetBooleanFromObj(interp, objv[3], &onoff) ) return TCL_ERROR;
-  zOpt = Tcl_GetString(objv[2]);
-  for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
-    if( strcmp(zOpt, aOpt[i].zOptName)==0 ){
-      mask = aOpt[i].mask;
-      break;
-    }
-  }
-  if( onoff ) mask = ~mask;
-  if( i>=sizeof(aOpt)/sizeof(aOpt[0]) ){
-    Tcl_AppendResult(interp, "unknown optimization - should be one of:",
-                     (char*)0);
-    for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
-      Tcl_AppendResult(interp, " ", aOpt[i].zOptName, (char*)0);
-    }
-    return TCL_ERROR;
-  }
-  sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS, db, mask);
-  return TCL_OK;
-}
-
-typedef struct sqlite3_api_routines sqlite3_api_routines;
-/*
-**     load_static_extension DB NAME ...
-**
-** Load one or more statically linked extensions.
-*/
-static int tclLoadStaticExtensionCmd(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  extern int sqlite3_amatch_init(sqlite3*,char**,const sqlite3_api_routines*);
-  extern int sqlite3_closure_init(sqlite3*,char**,const sqlite3_api_routines*);
-  extern int sqlite3_fileio_init(sqlite3*,char**,const sqlite3_api_routines*);
-  extern int sqlite3_fuzzer_init(sqlite3*,char**,const sqlite3_api_routines*);
-  extern int sqlite3_ieee_init(sqlite3*,char**,const sqlite3_api_routines*);
-  extern int sqlite3_nextchar_init(sqlite3*,char**,const sqlite3_api_routines*);
-  extern int sqlite3_percentile_init(sqlite3*,char**,const sqlite3_api_routines*);
-  extern int sqlite3_regexp_init(sqlite3*,char**,const sqlite3_api_routines*);
-  extern int sqlite3_spellfix_init(sqlite3*,char**,const sqlite3_api_routines*);
-  extern int sqlite3_totype_init(sqlite3*,char**,const sqlite3_api_routines*);
-  extern int sqlite3_wholenumber_init(sqlite3*,char**,const sqlite3_api_routines*);
-  static const struct {
-    const char *zExtName;
-    int (*pInit)(sqlite3*,char**,const sqlite3_api_routines*);
-  } aExtension[] = {
-    { "amatch",                sqlite3_amatch_init               },
-    { "closure",               sqlite3_closure_init              },
-    { "fileio",                sqlite3_fileio_init               },
-    { "fuzzer",                sqlite3_fuzzer_init               },
-    { "ieee754",               sqlite3_ieee_init                 },
-    { "nextchar",              sqlite3_nextchar_init             },
-    { "percentile",            sqlite3_percentile_init           },
-    { "regexp",                sqlite3_regexp_init               },
-    { "spellfix",              sqlite3_spellfix_init             },
-    { "totype",                sqlite3_totype_init               },
-    { "wholenumber",           sqlite3_wholenumber_init          },
-  };
-  sqlite3 *db;
-  const char *zName;
-  int i, j, rc;
-  char *zErrMsg = 0;
-  if( objc<3 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB NAME ...");
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  for(j=2; j<objc; j++){
-    zName = Tcl_GetString(objv[j]);
-    for(i=0; i<ArraySize(aExtension); i++){
-      if( strcmp(zName, aExtension[i].zExtName)==0 ) break;
-    }
-    if( i>=ArraySize(aExtension) ){
-      Tcl_AppendResult(interp, "no such extension: ", zName, (char*)0);
-      return TCL_ERROR;
-    }
-    rc = aExtension[i].pInit(db, &zErrMsg, 0);
-    if( rc!=SQLITE_OK || zErrMsg ){
-      Tcl_AppendResult(interp, "initialization of ", zName, " failed: ", zErrMsg,
-                       (char*)0);
-      sqlite3_free(zErrMsg);
-      return TCL_ERROR;
-    }
-  }
-  return TCL_OK;
-}
-
-/*
-**     sorter_test_fakeheap BOOL
-**
-*/
-static int sorter_test_fakeheap(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  int bArg;
-  if( objc!=2 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "BOOL");
-    return TCL_ERROR;
-  }
-
-  if( Tcl_GetBooleanFromObj(interp, objv[1], &bArg) ){
-    return TCL_ERROR;
-  }
-
-  if( bArg ){
-    if( sqlite3GlobalConfig.pHeap==0 ){
-      sqlite3GlobalConfig.pHeap = SQLITE_INT_TO_PTR(-1);
-    }
-  }else{
-    if( sqlite3GlobalConfig.pHeap==SQLITE_INT_TO_PTR(-1) ){
-      sqlite3GlobalConfig.pHeap = 0;
-    }
-  }
-
-  Tcl_ResetResult(interp);
-  return TCL_OK;
-}
-
-/*
-**     sorter_test_sort4_helper DB SQL1 NSTEP SQL2
-**
-** Compile SQL statement $SQL1 and step it $NSTEP times. For each row, 
-** check that the leftmost and rightmost columns returned are both integers,
-** and that both contain the same value.
-**
-** Then execute statement $SQL2. Check that the statement returns the same
-** set of integers in the same order as in the previous step (using $SQL1).
-*/
-static int sorter_test_sort4_helper(
-  void * clientData,
-  Tcl_Interp *interp,
-  int objc,
-  Tcl_Obj *CONST objv[]
-){
-  const char *zSql1;
-  const char *zSql2;
-  int nStep; 
-  int iStep; 
-  int iCksum1 = 0; 
-  int iCksum2 = 0; 
-  int rc;
-  int iB;
-  sqlite3 *db;
-  sqlite3_stmt *pStmt;
-  
-  if( objc!=5 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB SQL1 NSTEP SQL2");
-    return TCL_ERROR;
-  }
-
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
-  zSql1 = Tcl_GetString(objv[2]);
-  if( Tcl_GetIntFromObj(interp, objv[3], &nStep) ) return TCL_ERROR;
-  zSql2 = Tcl_GetString(objv[4]);
-
-  rc = sqlite3_prepare_v2(db, zSql1, -1, &pStmt, 0);
-  if( rc!=SQLITE_OK ) goto sql_error;
-
-  iB = sqlite3_column_count(pStmt)-1;
-  for(iStep=0; iStep<nStep && SQLITE_ROW==sqlite3_step(pStmt); iStep++){
-    int a = sqlite3_column_int(pStmt, 0);
-    if( a!=sqlite3_column_int(pStmt, iB) ){
-      Tcl_AppendResult(interp, "data error: (a!=b)", 0);
-      return TCL_ERROR;
-    }
-
-    iCksum1 += (iCksum1 << 3) + a;
-  }
-  rc = sqlite3_finalize(pStmt);
-  if( rc!=SQLITE_OK ) goto sql_error;
-
-  rc = sqlite3_prepare_v2(db, zSql2, -1, &pStmt, 0);
-  if( rc!=SQLITE_OK ) goto sql_error;
-  for(iStep=0; SQLITE_ROW==sqlite3_step(pStmt); iStep++){
-    int a = sqlite3_column_int(pStmt, 0);
-    iCksum2 += (iCksum2 << 3) + a;
-  }
-  rc = sqlite3_finalize(pStmt);
-  if( rc!=SQLITE_OK ) goto sql_error;
-
-  if( iCksum1!=iCksum2 ){
-    Tcl_AppendResult(interp, "checksum mismatch", 0);
-    return TCL_ERROR;
-  }
-
-  return TCL_OK;
- sql_error:
-  Tcl_AppendResult(interp, "sql error: ", sqlite3_errmsg(db), 0);
-  return TCL_ERROR;
-}
-
-
-#ifdef SQLITE_USER_AUTHENTICATION
-#include "sqlite3userauth.h"
-/*
-** tclcmd:  sqlite3_user_authenticate DB USERNAME PASSWORD
-*/
-static int test_user_authenticate(
-  ClientData clientData, /* Unused */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  char *zUser = 0;
-  char *zPasswd = 0;
-  int nPasswd = 0;
-  sqlite3 *db;
-  int rc;
-
-  if( objc!=4 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD");
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
-    return TCL_ERROR;
-  }
-  zUser = Tcl_GetString(objv[2]);
-  zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
-  rc = sqlite3_user_authenticate(db, zUser, zPasswd, nPasswd);
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
-  return TCL_OK;
-}
-#endif /* SQLITE_USER_AUTHENTICATION */
-
-#ifdef SQLITE_USER_AUTHENTICATION
-/*
-** tclcmd:  sqlite3_user_add DB USERNAME PASSWORD ISADMIN
-*/
-static int test_user_add(
-  ClientData clientData, /* Unused */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  char *zUser = 0;
-  char *zPasswd = 0;
-  int nPasswd = 0;
-  int isAdmin = 0;
-  sqlite3 *db;
-  int rc;
-
-  if( objc!=5 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD ISADMIN");
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
-    return TCL_ERROR;
-  }
-  zUser = Tcl_GetString(objv[2]);
-  zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
-  Tcl_GetBooleanFromObj(interp, objv[4], &isAdmin);
-  rc = sqlite3_user_add(db, zUser, zPasswd, nPasswd, isAdmin);
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
-  return TCL_OK;
-}
-#endif /* SQLITE_USER_AUTHENTICATION */
-
-#ifdef SQLITE_USER_AUTHENTICATION
-/*
-** tclcmd:  sqlite3_user_change DB USERNAME PASSWORD ISADMIN
-*/
-static int test_user_change(
-  ClientData clientData, /* Unused */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  char *zUser = 0;
-  char *zPasswd = 0;
-  int nPasswd = 0;
-  int isAdmin = 0;
-  sqlite3 *db;
-  int rc;
-
-  if( objc!=5 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME PASSWORD ISADMIN");
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
-    return TCL_ERROR;
-  }
-  zUser = Tcl_GetString(objv[2]);
-  zPasswd = Tcl_GetStringFromObj(objv[3], &nPasswd);
-  Tcl_GetBooleanFromObj(interp, objv[4], &isAdmin);
-  rc = sqlite3_user_change(db, zUser, zPasswd, nPasswd, isAdmin);
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
-  return TCL_OK;
-}
-#endif /* SQLITE_USER_AUTHENTICATION */
-
-#ifdef SQLITE_USER_AUTHENTICATION
-/*
-** tclcmd:  sqlite3_user_delete DB USERNAME
-*/
-static int test_user_delete(
-  ClientData clientData, /* Unused */
-  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
-  int objc,              /* Number of arguments */
-  Tcl_Obj *CONST objv[]  /* Command arguments */
-){
-  char *zUser = 0;
-  sqlite3 *db;
-  int rc;
-
-  if( objc!=3 ){
-    Tcl_WrongNumArgs(interp, 1, objv, "DB USERNAME");
-    return TCL_ERROR;
-  }
-  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
-    return TCL_ERROR;
-  }
-  zUser = Tcl_GetString(objv[2]);
-  rc = sqlite3_user_delete(db, zUser);
-  Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
-  return TCL_OK;
-}
-#endif /* SQLITE_USER_AUTHENTICATION */
-
-/*
-** Register commands with the TCL interpreter.
-*/
-int Sqlitetest1_Init(Tcl_Interp *interp){
-  extern int sqlite3_search_count;
-  extern int sqlite3_found_count;
-  extern int sqlite3_interrupt_count;
-  extern int sqlite3_open_file_count;
-  extern int sqlite3_sort_count;
-  extern int sqlite3_current_time;
-#if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
-  extern int sqlite3_hostid_num;
-#endif
-  extern int sqlite3_max_blobsize;
-  extern int sqlite3BtreeSharedCacheReport(void*,
-                                          Tcl_Interp*,int,Tcl_Obj*CONST*);
-  static struct {
-     char *zName;
-     Tcl_CmdProc *xProc;
-  } aCmd[] = {
-     { "db_enter",                      (Tcl_CmdProc*)db_enter               },
-     { "db_leave",                      (Tcl_CmdProc*)db_leave               },
-     { "sqlite3_mprintf_int",           (Tcl_CmdProc*)sqlite3_mprintf_int    },
-     { "sqlite3_mprintf_int64",         (Tcl_CmdProc*)sqlite3_mprintf_int64  },
-     { "sqlite3_mprintf_long",          (Tcl_CmdProc*)sqlite3_mprintf_long   },
-     { "sqlite3_mprintf_str",           (Tcl_CmdProc*)sqlite3_mprintf_str    },
-     { "sqlite3_snprintf_str",          (Tcl_CmdProc*)sqlite3_snprintf_str   },
-     { "sqlite3_mprintf_stronly",       (Tcl_CmdProc*)sqlite3_mprintf_stronly},
-     { "sqlite3_mprintf_double",        (Tcl_CmdProc*)sqlite3_mprintf_double },
-     { "sqlite3_mprintf_scaled",        (Tcl_CmdProc*)sqlite3_mprintf_scaled },
-     { "sqlite3_mprintf_hexdouble",   (Tcl_CmdProc*)sqlite3_mprintf_hexdouble},
-     { "sqlite3_mprintf_z_test",        (Tcl_CmdProc*)test_mprintf_z        },
-     { "sqlite3_mprintf_n_test",        (Tcl_CmdProc*)test_mprintf_n        },
-     { "sqlite3_snprintf_int",          (Tcl_CmdProc*)test_snprintf_int     },
-     { "sqlite3_last_insert_rowid",     (Tcl_CmdProc*)test_last_rowid       },
-     { "sqlite3_exec_printf",           (Tcl_CmdProc*)test_exec_printf      },
-     { "sqlite3_exec_hex",              (Tcl_CmdProc*)test_exec_hex         },
-     { "sqlite3_exec",                  (Tcl_CmdProc*)test_exec             },
-     { "sqlite3_exec_nr",               (Tcl_CmdProc*)test_exec_nr          },
-#ifndef SQLITE_OMIT_GET_TABLE
-     { "sqlite3_get_table_printf",      (Tcl_CmdProc*)test_get_table_printf },
-#endif
-     { "sqlite3_close",                 (Tcl_CmdProc*)sqlite_test_close     },
-     { "sqlite3_close_v2",              (Tcl_CmdProc*)sqlite_test_close_v2  },
-     { "sqlite3_create_function",       (Tcl_CmdProc*)test_create_function  },
-     { "sqlite3_create_aggregate",      (Tcl_CmdProc*)test_create_aggregate },
-     { "sqlite_register_test_function", (Tcl_CmdProc*)test_register_func    },
-     { "sqlite_abort",                  (Tcl_CmdProc*)sqlite_abort          },
-     { "sqlite_bind",                   (Tcl_CmdProc*)test_bind             },
-     { "breakpoint",                    (Tcl_CmdProc*)test_breakpoint       },
-     { "sqlite3_key",                   (Tcl_CmdProc*)test_key              },
-     { "sqlite3_rekey",                 (Tcl_CmdProc*)test_rekey            },
-     { "sqlite_set_magic",              (Tcl_CmdProc*)sqlite_set_magic      },
-     { "sqlite3_interrupt",             (Tcl_CmdProc*)test_interrupt        },
-     { "sqlite_delete_function",        (Tcl_CmdProc*)delete_function       },
-     { "sqlite_delete_collation",       (Tcl_CmdProc*)delete_collation      },
-     { "sqlite3_get_autocommit",        (Tcl_CmdProc*)get_autocommit        },
-     { "sqlite3_stack_used",            (Tcl_CmdProc*)test_stack_used       },
-     { "sqlite3_busy_timeout",          (Tcl_CmdProc*)test_busy_timeout     },
-     { "printf",                        (Tcl_CmdProc*)test_printf           },
-     { "sqlite3IoTrace",              (Tcl_CmdProc*)test_io_trace         },
-     { "clang_sanitize_address",        (Tcl_CmdProc*)clang_sanitize_address },
-  };
-  static struct {
-     char *zName;
-     Tcl_ObjCmdProc *xProc;
-     void *clientData;
-  } aObjCmd[] = {
-     { "sqlite3_connection_pointer",    get_sqlite_pointer, 0 },
-     { "sqlite3_bind_int",              test_bind_int,      0 },
-     { "sqlite3_bind_zeroblob",         test_bind_zeroblob, 0 },
-     { "sqlite3_bind_int64",            test_bind_int64,    0 },
-     { "sqlite3_bind_double",           test_bind_double,   0 },
-     { "sqlite3_bind_null",             test_bind_null     ,0 },
-     { "sqlite3_bind_text",             test_bind_text     ,0 },
-     { "sqlite3_bind_text16",           test_bind_text16   ,0 },
-     { "sqlite3_bind_blob",             test_bind_blob     ,0 },
-     { "sqlite3_bind_parameter_count",  test_bind_parameter_count, 0},
-     { "sqlite3_bind_parameter_name",   test_bind_parameter_name,  0},
-     { "sqlite3_bind_parameter_index",  test_bind_parameter_index, 0},
-     { "sqlite3_clear_bindings",        test_clear_bindings, 0},
-     { "sqlite3_sleep",                 test_sleep,          0},
-     { "sqlite3_errcode",               test_errcode       ,0 },
-     { "sqlite3_extended_errcode",      test_ex_errcode    ,0 },
-     { "sqlite3_errmsg",                test_errmsg        ,0 },
-     { "sqlite3_errmsg16",              test_errmsg16      ,0 },
-     { "sqlite3_open",                  test_open          ,0 },
-     { "sqlite3_open16",                test_open16        ,0 },
-     { "sqlite3_open_v2",               test_open_v2       ,0 },
-     { "sqlite3_complete16",            test_complete16    ,0 },
-
-     { "sqlite3_prepare",               test_prepare       ,0 },
-     { "sqlite3_prepare16",             test_prepare16     ,0 },
-     { "sqlite3_prepare_v2",            test_prepare_v2    ,0 },
-     { "sqlite3_prepare_tkt3134",       test_prepare_tkt3134, 0},
-     { "sqlite3_prepare16_v2",          test_prepare16_v2  ,0 },
-     { "sqlite3_finalize",              test_finalize      ,0 },
-     { "sqlite3_stmt_status",           test_stmt_status   ,0 },
-     { "sqlite3_reset",                 test_reset         ,0 },
-     { "sqlite3_expired",               test_expired       ,0 },
-     { "sqlite3_transfer_bindings",     test_transfer_bind ,0 },
-     { "sqlite3_changes",               test_changes       ,0 },
-     { "sqlite3_step",                  test_step          ,0 },
-     { "sqlite3_sql",                   test_sql           ,0 },
-     { "sqlite3_next_stmt",             test_next_stmt     ,0 },
-     { "sqlite3_stmt_readonly",         test_stmt_readonly ,0 },
-     { "sqlite3_stmt_busy",             test_stmt_busy     ,0 },
-     { "uses_stmt_journal",             uses_stmt_journal ,0 },
-
-     { "sqlite3_release_memory",        test_release_memory,     0},
-     { "sqlite3_db_release_memory",     test_db_release_memory,  0},
-     { "sqlite3_db_filename",           test_db_filename,        0},
-     { "sqlite3_db_readonly",           test_db_readonly,        0},
-     { "sqlite3_soft_heap_limit",       test_soft_heap_limit,    0},
-     { "sqlite3_thread_cleanup",        test_thread_cleanup,     0},
-     { "sqlite3_pager_refcounts",       test_pager_refcounts,    0},
-
-     { "sqlite3_load_extension",        test_load_extension,     0},
-     { "sqlite3_enable_load_extension", test_enable_load,        0},
-     { "sqlite3_extended_result_codes", test_extended_result_codes, 0},
-     { "sqlite3_limit",                 test_limit,                 0},
-
-     { "save_prng_state",               save_prng_state,    0 },
-     { "restore_prng_state",            restore_prng_state, 0 },
-     { "reset_prng_state",              reset_prng_state,   0 },
-     { "database_never_corrupt",        database_never_corrupt, 0},
-     { "database_may_be_corrupt",       database_may_be_corrupt, 0},
-     { "optimization_control",          optimization_control,0},
-#if SQLITE_OS_WIN
-     { "lock_win32_file",               win32_file_lock,    0 },
-     { "exists_win32_path",             win32_exists_path,  0 },
-     { "find_win32_file",               win32_find_file,    0 },
-     { "delete_win32_file",             win32_delete_file,  0 },
-     { "make_win32_dir",                win32_mkdir,        0 },
-     { "remove_win32_dir",              win32_rmdir,        0 },
-#endif
-     { "tcl_objproc",                   runAsObjProc,       0 },
-
-     /* sqlite3_column_*() API */
-     { "sqlite3_column_count",          test_column_count  ,0 },
-     { "sqlite3_data_count",            test_data_count    ,0 },
-     { "sqlite3_column_type",           test_column_type   ,0 },
-     { "sqlite3_column_blob",           test_column_blob   ,0 },
-     { "sqlite3_column_double",         test_column_double ,0 },
-     { "sqlite3_column_int64",          test_column_int64  ,0 },
-     { "sqlite3_column_text",   test_stmt_utf8,  (void*)sqlite3_column_text },
-     { "sqlite3_column_name",   test_stmt_utf8,  (void*)sqlite3_column_name },
-     { "sqlite3_column_int",    test_stmt_int,   (void*)sqlite3_column_int  },
-     { "sqlite3_column_bytes",  test_stmt_int,   (void*)sqlite3_column_bytes},
-#ifndef SQLITE_OMIT_DECLTYPE
-     { "sqlite3_column_decltype",test_stmt_utf8,(void*)sqlite3_column_decltype},
-#endif
-#ifdef SQLITE_ENABLE_COLUMN_METADATA
-{ "sqlite3_column_database_name",test_stmt_utf8,(void*)sqlite3_column_database_name},
-{ "sqlite3_column_table_name",test_stmt_utf8,(void*)sqlite3_column_table_name},
-{ "sqlite3_column_origin_name",test_stmt_utf8,(void*)sqlite3_column_origin_name},
-#endif
-
-#ifndef SQLITE_OMIT_UTF16
-     { "sqlite3_column_bytes16", test_stmt_int, (void*)sqlite3_column_bytes16 },
-     { "sqlite3_column_text16",  test_stmt_utf16, (void*)sqlite3_column_text16},
-     { "sqlite3_column_name16",  test_stmt_utf16, (void*)sqlite3_column_name16},
-     { "add_alignment_test_collations", add_alignment_test_collations, 0      },
-#ifndef SQLITE_OMIT_DECLTYPE
-     { "sqlite3_column_decltype16",test_stmt_utf16,(void*)sqlite3_column_decltype16},
-#endif
-#ifdef SQLITE_ENABLE_COLUMN_METADATA
-{"sqlite3_column_database_name16",
-  test_stmt_utf16, (void*)sqlite3_column_database_name16},
-{"sqlite3_column_table_name16", test_stmt_utf16, (void*)sqlite3_column_table_name16},
-{"sqlite3_column_origin_name16", test_stmt_utf16, (void*)sqlite3_column_origin_name16},
-#endif
-#endif
-     { "sqlite3_create_collation_v2", test_create_collation_v2, 0 },
-     { "sqlite3_global_recover",     test_global_recover, 0   },
-     { "working_64bit_int",          working_64bit_int,   0   },
-     { "vfs_unlink_test",            vfs_unlink_test,     0   },
-     { "vfs_initfail_test",          vfs_initfail_test,   0   },
-     { "vfs_unregister_all",         vfs_unregister_all,  0   },
-     { "vfs_reregister_all",         vfs_reregister_all,  0   },
-     { "file_control_test",          file_control_test,   0   },
-     { "file_control_lasterrno_test", file_control_lasterrno_test,  0   },
-     { "file_control_lockproxy_test", file_control_lockproxy_test,  0   },
-     { "file_control_chunksize_test", file_control_chunksize_test,  0   },
-     { "file_control_sizehint_test",  file_control_sizehint_test,   0   },
-#if SQLITE_OS_WIN
-     { "file_control_win32_av_retry", file_control_win32_av_retry,  0   },
-     { "file_control_win32_set_handle", file_control_win32_set_handle, 0  },
-#endif
-     { "file_control_persist_wal",    file_control_persist_wal,     0   },
-     { "file_control_powersafe_overwrite",file_control_powersafe_overwrite,0},
-     { "file_control_vfsname",        file_control_vfsname,         0   },
-     { "file_control_tempfilename",   file_control_tempfilename,    0   },
-     { "sqlite3_vfs_list",           vfs_list,     0   },
-     { "sqlite3_create_function_v2", test_create_function_v2, 0 },
-
-     /* Functions from os.h */
-#ifndef SQLITE_OMIT_UTF16
-     { "add_test_collate",        test_collate, 0            },
-     { "add_test_collate_needed", test_collate_needed, 0     },
-     { "add_test_function",       test_function, 0           },
-     { "add_test_utf16bin_collate",    test_utf16bin_collate, 0        },
-#endif
-     { "sqlite3_test_errstr",     test_errstr, 0             },
-     { "tcl_variable_type",       tcl_variable_type, 0       },
-#ifndef SQLITE_OMIT_SHARED_CACHE
-     { "sqlite3_enable_shared_cache", test_enable_shared, 0  },
-     { "sqlite3_shared_cache_report", sqlite3BtreeSharedCacheReport, 0},
-#endif
-     { "sqlite3_libversion_number", test_libversion_number, 0  },
-#ifdef SQLITE_ENABLE_COLUMN_METADATA
-     { "sqlite3_table_column_metadata", test_table_column_metadata, 0  },
-#endif
-#ifndef SQLITE_OMIT_INCRBLOB
-     { "sqlite3_blob_read",   test_blob_read, 0  },
-     { "sqlite3_blob_write",  test_blob_write, 0  },
-     { "sqlite3_blob_reopen", test_blob_reopen, 0  },
-     { "sqlite3_blob_bytes",  test_blob_bytes, 0  },
-     { "sqlite3_blob_close",  test_blob_close, 0  },
-#endif
-     { "pcache_stats",       test_pcache_stats, 0  },
-#ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
-     { "sqlite3_unlock_notify", test_unlock_notify, 0  },
-#endif
-     { "sqlite3_wal_checkpoint",   test_wal_checkpoint, 0  },
-     { "sqlite3_wal_checkpoint_v2",test_wal_checkpoint_v2, 0  },
-     { "test_sqlite3_log",         test_sqlite3_log, 0  },
-#ifndef SQLITE_OMIT_EXPLAIN
-     { "print_explain_query_plan", test_print_eqp, 0  },
-#endif
-     { "sqlite3_test_control", test_test_control },
-#if SQLITE_OS_UNIX
-     { "getrusage", test_getrusage },
-#endif
-     { "load_static_extension", tclLoadStaticExtensionCmd },
-     { "sorter_test_fakeheap", sorter_test_fakeheap },
-     { "sorter_test_sort4_helper", sorter_test_sort4_helper },
-#ifdef SQLITE_USER_AUTHENTICATION
-     { "sqlite3_user_authenticate", test_user_authenticate, 0 },
-     { "sqlite3_user_add",          test_user_add,          0 },
-     { "sqlite3_user_change",       test_user_change,       0 },
-     { "sqlite3_user_delete",       test_user_delete,       0 },
-#endif
-
-  };
-  static int bitmask_size = sizeof(Bitmask)*8;
-  int i;
-  extern int sqlite3_sync_count, sqlite3_fullsync_count;
-  extern int sqlite3_opentemp_count;
-  extern int sqlite3_like_count;
-  extern int sqlite3_xferopt_count;
-  extern int sqlite3_pager_readdb_count;
-  extern int sqlite3_pager_writedb_count;
-  extern int sqlite3_pager_writej_count;
-#if SQLITE_OS_WIN
-  extern LONG volatile sqlite3_os_type;
-#endif
-#ifdef SQLITE_DEBUG
-  extern int sqlite3WhereTrace;
-  extern int sqlite3OSTrace;
-  extern int sqlite3WalTrace;
-#endif
-#ifdef SQLITE_TEST
-#ifdef SQLITE_ENABLE_FTS3
-  extern int sqlite3_fts3_enable_parentheses;
-#endif
-#endif
-
-  for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
-    Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
-  }
-  for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
-    Tcl_CreateObjCommand(interp, aObjCmd[i].zName, 
-        aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
-  }
-  Tcl_LinkVar(interp, "sqlite_search_count", 
-      (char*)&sqlite3_search_count, TCL_LINK_INT);
-  Tcl_LinkVar(interp, "sqlite_found_count", 
-      (char*)&sqlite3_found_count, TCL_LINK_INT);
-  Tcl_LinkVar(interp, "sqlite_sort_count", 
-      (char*)&sqlite3_sort_count, TCL_LINK_INT);
-  Tcl_LinkVar(interp, "sqlite3_max_blobsize", 
-      (char*)&sqlite3_max_blobsize, TCL_LINK_INT);
-  Tcl_LinkVar(interp, "sqlite_like_count", 
-      (char*)&sqlite3_like_count, TCL_LINK_INT);
-  Tcl_LinkVar(interp, "sqlite_interrupt_count", 
-      (char*)&sqlite3_interrupt_count, TCL_LINK_INT);
-  Tcl_LinkVar(interp, "sqlite_open_file_count", 
-      (char*)&sqlite3_open_file_count, TCL_LINK_INT);
-  Tcl_LinkVar(interp, "sqlite_current_time", 
-      (char*)&sqlite3_current_time, TCL_LINK_INT);
-#if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
-  Tcl_LinkVar(interp, "sqlite_hostid_num", 
-      (char*)&sqlite3_hostid_num, TCL_LINK_INT);
-#endif
-  Tcl_LinkVar(interp, "sqlite3_xferopt_count",
-      (char*)&sqlite3_xferopt_count, TCL_LINK_INT);
-  Tcl_LinkVar(interp, "sqlite3_pager_readdb_count",
-      (char*)&sqlite3_pager_readdb_count, TCL_LINK_INT);
-  Tcl_LinkVar(interp, "sqlite3_pager_writedb_count",
-      (char*)&sqlite3_pager_writedb_count, TCL_LINK_INT);
-  Tcl_LinkVar(interp, "sqlite3_pager_writej_count",
-      (char*)&sqlite3_pager_writej_count, TCL_LINK_INT);
-#ifndef SQLITE_OMIT_UTF16
-  Tcl_LinkVar(interp, "unaligned_string_counter",
-      (char*)&unaligned_string_counter, TCL_LINK_INT);
-#endif
-#ifndef SQLITE_OMIT_UTF16
-  Tcl_LinkVar(interp, "sqlite_last_needed_collation",
-      (char*)&pzNeededCollation, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
-#endif
-#if SQLITE_OS_WIN
-  Tcl_LinkVar(interp, "sqlite_os_type",
-      (char*)&sqlite3_os_type, TCL_LINK_LONG);
-#endif
-#ifdef SQLITE_TEST
-  {
-    static const char *query_plan = "*** OBSOLETE VARIABLE ***";
-    Tcl_LinkVar(interp, "sqlite_query_plan",
-       (char*)&query_plan, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
-  }
-#endif
-#ifdef SQLITE_DEBUG
-  Tcl_LinkVar(interp, "sqlite_where_trace",
-      (char*)&sqlite3WhereTrace, TCL_LINK_INT);
-  Tcl_LinkVar(interp, "sqlite_os_trace",
-      (char*)&sqlite3OSTrace, TCL_LINK_INT);
-#ifndef SQLITE_OMIT_WAL
-  Tcl_LinkVar(interp, "sqlite_wal_trace",
-      (char*)&sqlite3WalTrace, TCL_LINK_INT);
-#endif
-#endif
-#ifndef SQLITE_OMIT_DISKIO
-  Tcl_LinkVar(interp, "sqlite_opentemp_count",
-      (char*)&sqlite3_opentemp_count, TCL_LINK_INT);
-#endif
-  Tcl_LinkVar(interp, "sqlite_static_bind_value",
-      (char*)&sqlite_static_bind_value, TCL_LINK_STRING);
-  Tcl_LinkVar(interp, "sqlite_static_bind_nbyte",
-      (char*)&sqlite_static_bind_nbyte, TCL_LINK_INT);
-  Tcl_LinkVar(interp, "sqlite_temp_directory",
-      (char*)&sqlite3_temp_directory, TCL_LINK_STRING);
-  Tcl_LinkVar(interp, "sqlite_data_directory",
-      (char*)&sqlite3_data_directory, TCL_LINK_STRING);
-  Tcl_LinkVar(interp, "bitmask_size",
-      (char*)&bitmask_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
-  Tcl_LinkVar(interp, "sqlite_sync_count",
-      (char*)&sqlite3_sync_count, TCL_LINK_INT);
-  Tcl_LinkVar(interp, "sqlite_fullsync_count",
-      (char*)&sqlite3_fullsync_count, TCL_LINK_INT);
-#if defined(SQLITE_ENABLE_FTS3) && defined(SQLITE_TEST)
-  Tcl_LinkVar(interp, "sqlite_fts3_enable_parentheses",
-      (char*)&sqlite3_fts3_enable_parentheses, TCL_LINK_INT);
-#endif
-  return TCL_OK;
-}