| Index: third_party/sqlite/sqlite-src-3080704/tool/showstat4.c
|
| diff --git a/third_party/sqlite/sqlite-src-3080704/tool/showstat4.c b/third_party/sqlite/sqlite-src-3080704/tool/showstat4.c
|
| deleted file mode 100644
|
| index 668d2106af270a06fbe17c59d1bdf0f1e06e7e58..0000000000000000000000000000000000000000
|
| --- a/third_party/sqlite/sqlite-src-3080704/tool/showstat4.c
|
| +++ /dev/null
|
| @@ -1,157 +0,0 @@
|
| -/*
|
| -** This utility program decodes and displays the content of the
|
| -** sqlite_stat4 table in the database file named on the command
|
| -** line.
|
| -*/
|
| -#include <stdio.h>
|
| -#include <string.h>
|
| -#include <stdlib.h>
|
| -#include <ctype.h>
|
| -#include "sqlite3.h"
|
| -
|
| -typedef sqlite3_int64 i64; /* 64-bit signed integer type */
|
| -
|
| -
|
| -/*
|
| -** Convert the var-int format into i64. Return the number of bytes
|
| -** in the var-int. Write the var-int value into *pVal.
|
| -*/
|
| -static int decodeVarint(const unsigned char *z, i64 *pVal){
|
| - i64 v = 0;
|
| - int i;
|
| - for(i=0; i<8; i++){
|
| - v = (v<<7) + (z[i]&0x7f);
|
| - if( (z[i]&0x80)==0 ){ *pVal = v; return i+1; }
|
| - }
|
| - v = (v<<8) + (z[i]&0xff);
|
| - *pVal = v;
|
| - return 9;
|
| -}
|
| -
|
| -
|
| -
|
| -int main(int argc, char **argv){
|
| - sqlite3 *db;
|
| - sqlite3_stmt *pStmt;
|
| - char *zIdx = 0;
|
| - int rc, j, x, y, mxHdr;
|
| - const unsigned char *aSample;
|
| - int nSample;
|
| - i64 iVal;
|
| - const char *zSep;
|
| -
|
| - if( argc!=2 ){
|
| - fprintf(stderr, "Usage: %s DATABASE-FILE\n", argv[0]);
|
| - exit(1);
|
| - }
|
| - rc = sqlite3_open(argv[1], &db);
|
| - if( rc!=SQLITE_OK || db==0 ){
|
| - fprintf(stderr, "Cannot open database file [%s]\n", argv[1]);
|
| - exit(1);
|
| - }
|
| - rc = sqlite3_prepare_v2(db,
|
| - "SELECT tbl||'.'||idx, nEq, nLT, nDLt, sample "
|
| - "FROM sqlite_stat4 ORDER BY 1", -1,
|
| - &pStmt, 0);
|
| - if( rc!=SQLITE_OK || pStmt==0 ){
|
| - fprintf(stderr, "%s\n", sqlite3_errmsg(db));
|
| - sqlite3_close(db);
|
| - exit(1);
|
| - }
|
| - while( SQLITE_ROW==sqlite3_step(pStmt) ){
|
| - if( zIdx==0 || strcmp(zIdx, (const char*)sqlite3_column_text(pStmt,0))!=0 ){
|
| - if( zIdx ) printf("\n");
|
| - sqlite3_free(zIdx);
|
| - zIdx = sqlite3_mprintf("%s", sqlite3_column_text(pStmt,0));
|
| - printf("%s:\n", zIdx);
|
| - }else{
|
| - printf(" -----------------------------------------------------------\n");
|
| - }
|
| - printf(" nEq = %s\n", sqlite3_column_text(pStmt,1));
|
| - printf(" nLt = %s\n", sqlite3_column_text(pStmt,2));
|
| - printf(" nDLt = %s\n", sqlite3_column_text(pStmt,3));
|
| - printf(" sample = x'");
|
| - aSample = sqlite3_column_blob(pStmt,4);
|
| - nSample = sqlite3_column_bytes(pStmt,4);
|
| - for(j=0; j<nSample; j++) printf("%02x", aSample[j]);
|
| - printf("'\n ");
|
| - zSep = " ";
|
| - x = decodeVarint(aSample, &iVal);
|
| - if( iVal<x || iVal>nSample ){
|
| - printf(" <error>\n");
|
| - continue;
|
| - }
|
| - y = mxHdr = (int)iVal;
|
| - while( x<mxHdr ){
|
| - int sz;
|
| - i64 v;
|
| - x += decodeVarint(aSample+x, &iVal);
|
| - if( x>mxHdr ) break;
|
| - if( iVal<0 ) break;
|
| - switch( iVal ){
|
| - case 0: sz = 0; break;
|
| - case 1: sz = 1; break;
|
| - case 2: sz = 2; break;
|
| - case 3: sz = 3; break;
|
| - case 4: sz = 4; break;
|
| - case 5: sz = 6; break;
|
| - case 6: sz = 8; break;
|
| - case 7: sz = 8; break;
|
| - case 8: sz = 0; break;
|
| - case 9: sz = 0; break;
|
| - case 10:
|
| - case 11: sz = 0; break;
|
| - default: sz = (int)(iVal-12)/2; break;
|
| - }
|
| - if( y+sz>nSample ) break;
|
| - if( iVal==0 ){
|
| - printf("%sNULL", zSep);
|
| - }else if( iVal==8 || iVal==9 ){
|
| - printf("%s%d", zSep, ((int)iVal)-8);
|
| - }else if( iVal<=7 ){
|
| - v = (signed char)aSample[y];
|
| - for(j=1; j<sz; j++){
|
| - v = (v<<8) + aSample[y+j];
|
| - }
|
| - if( iVal==7 ){
|
| - double r;
|
| - memcpy(&r, &v, sizeof(r));
|
| - printf("%s%#g", zSep, r);
|
| - }else{
|
| - printf("%s%lld", zSep, v);
|
| - }
|
| - }else if( (iVal&1)==0 ){
|
| - printf("%sx'", zSep);
|
| - for(j=0; j<sz; j++){
|
| - printf("%02x", aSample[y+j]);
|
| - }
|
| - printf("'");
|
| - }else{
|
| - printf("%s\"", zSep);
|
| - for(j=0; j<sz; j++){
|
| - char c = (char)aSample[y+j];
|
| - if( isprint(c) ){
|
| - if( c=='"' || c=='\\' ) putchar('\\');
|
| - putchar(c);
|
| - }else if( c=='\n' ){
|
| - printf("\\n");
|
| - }else if( c=='\t' ){
|
| - printf("\\t");
|
| - }else if( c=='\r' ){
|
| - printf("\\r");
|
| - }else{
|
| - printf("\\%03o", c);
|
| - }
|
| - }
|
| - printf("\"");
|
| - }
|
| - zSep = ",";
|
| - y += sz;
|
| - }
|
| - printf("\n");
|
| - }
|
| - sqlite3_free(zIdx);
|
| - sqlite3_finalize(pStmt);
|
| - sqlite3_close(db);
|
| - return 0;
|
| -}
|
|
|