[sql] Import reference version of SQLite 3.10.2.

third_party/sqlite/sqlite-src-3100200/src/alter.c

 /*
 ** 2005 February 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.
 **
@@ skipping 108 matching lines @@
   if( zInput==0 || zOld==0 ) return;
   for(z=zInput; *z; z=z+n){
     n = sqlite3GetToken(z, &token);
     if( token==TK_REFERENCES ){
       char *zParent;
       do {
         z += n;
         n = sqlite3GetToken(z, &token);
       }while( token==TK_SPACE );
 
+      if( token==TK_ILLEGAL ) break;
       zParent = sqlite3DbStrNDup(db, (const char *)z, n);
       if( zParent==0 ) break;
       sqlite3Dequote(zParent);
       if( 0==sqlite3StrICmp((const char *)zOld, zParent) ){
         char *zOut = sqlite3MPrintf(db, "%s%.*s\"%w\"", 
             (zOutput?zOutput:""), (int)(z-zInput), zInput, (const char *)zNew
         );
         sqlite3DbFree(db, zOutput);
         zOutput = zOut;
         zInput = &z[n];
@@ skipping 344 matching lines @@
   sqlite3ChangeCookie(pParse, iDb);
 
   /* If this is a virtual table, invoke the xRename() function if
   ** one is defined. The xRename() callback will modify the names
   ** of any resources used by the v-table implementation (including other
   ** SQLite tables) that are identified by the name of the virtual table.
   */
 #ifndef SQLITE_OMIT_VIRTUALTABLE
   if( pVTab ){
     int i = ++pParse->nMem;
-    sqlite3VdbeAddOp4(v, OP_String8, 0, i, 0, zName, 0);
+    sqlite3VdbeLoadString(v, i, zName);
     sqlite3VdbeAddOp4(v, OP_VRename, i, 0, 0,(const char*)pVTab, P4_VTAB);
     sqlite3MayAbort(pParse);
   }
 #endif
 
   /* figure out how many UTF-8 characters are in zName */
   zTabName = pTab->zName;
   nTabName = sqlite3Utf8CharLen(zTabName, -1);
 
 #if !defined(SQLITE_OMIT_FOREIGN_KEY) && !defined(SQLITE_OMIT_TRIGGER)
@@ skipping 90 matching lines @@
 */
 void sqlite3MinimumFileFormat(Parse *pParse, int iDb, int minFormat){
   Vdbe *v;
   v = sqlite3GetVdbe(pParse);
   /* The VDBE should have been allocated before this routine is called.
   ** If that allocation failed, we would have quit before reaching this
   ** point */
   if( ALWAYS(v) ){
     int r1 = sqlite3GetTempReg(pParse);
     int r2 = sqlite3GetTempReg(pParse);
-    int j1;
+    int addr1;
     sqlite3VdbeAddOp3(v, OP_ReadCookie, iDb, r1, BTREE_FILE_FORMAT);
     sqlite3VdbeUsesBtree(v, iDb);
     sqlite3VdbeAddOp2(v, OP_Integer, minFormat, r2);
-    j1 = sqlite3VdbeAddOp3(v, OP_Ge, r2, 0, r1);
+    addr1 = sqlite3VdbeAddOp3(v, OP_Ge, r2, 0, r1);
     sqlite3VdbeChangeP5(v, SQLITE_NOTNULL); VdbeCoverage(v);
     sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, BTREE_FILE_FORMAT, r2);
-    sqlite3VdbeJumpHere(v, j1);
+    sqlite3VdbeJumpHere(v, addr1);
     sqlite3ReleaseTempReg(pParse, r1);
     sqlite3ReleaseTempReg(pParse, r2);
   }
 }
 
 /*
 ** This function is called after an "ALTER TABLE ... ADD" statement
 ** has been parsed. Argument pColDef contains the text of the new
 ** column definition.
 **
@@ skipping 61 matching lines @@
     sqlite3ErrorMsg(pParse, 
         "Cannot add a NOT NULL column with default value NULL");
     return;
   }
 
   /* Ensure the default expression is something that sqlite3ValueFromExpr()
   ** can handle (i.e. not CURRENT_TIME etc.)
   */
   if( pDflt ){
     sqlite3_value *pVal = 0;
-    if( sqlite3ValueFromExpr(db, pDflt, SQLITE_UTF8, SQLITE_AFF_NONE, &pVal) ){
+    int rc;
+    rc = sqlite3ValueFromExpr(db, pDflt, SQLITE_UTF8, SQLITE_AFF_BLOB, &pVal);
+    assert( rc==SQLITE_OK || rc==SQLITE_NOMEM );
+    if( rc!=SQLITE_OK ){
       db->mallocFailed = 1;
       return;
     }
     if( !pVal ){
       sqlite3ErrorMsg(pParse, "Cannot add a column with non-constant default");
       return;
     }
     sqlite3ValueFree(pVal);
   }
 
@@ skipping 115 matching lines @@
   sqlite3BeginWriteOperation(pParse, 0, iDb);
   v = sqlite3GetVdbe(pParse);
   if( !v ) goto exit_begin_add_column;
   sqlite3ChangeCookie(pParse, iDb);
 
 exit_begin_add_column:
   sqlite3SrcListDelete(db, pSrc);
   return;
 }
 #endif  /* SQLITE_ALTER_TABLE */