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An attempt to delete a single row using a WHERE clause that specifies

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the rowid would result in an error if the rowid did not exist.  This
problem has been resolved. (CVS 338)

FossilOrigin-Name: 011be9a9d2632d261489005d97c69b0a0bc5a108
This commit is contained in:
drh
2002-01-04 03:09:29 +00:00
parent c839258651
commit c6b52df32d
12 changed files with 124 additions and 44 deletions
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45
src/vdbe.c
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@@ -30,7 +30,7 @@
** But other routines are also provided to help in building up
** a program instruction by instruction.
**
** $Id: vdbe.c,v 1.103 2001/12/31 02:48:51 drh Exp $
** $Id: vdbe.c,v 1.104 2002/01/04 03:09:30 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -2537,12 +2537,16 @@ case OP_Open: {
break;
}
/* Opcode: OpenTemp P1 * *
/* Opcode: OpenTemp P1 P2 *
**
** Open a new cursor that points to a table in a temporary database
** file. The temporary file is opened read/write even if the main
** database is read-only. The temporary file is deleted when the
** cursor is closed.
** Open a new cursor that points to a table or index in a temporary
** database file. The temporary file is opened read/write even if
** the main database is read-only. The temporary file is deleted
** when the cursor is closed.
**
** The cursor points to a BTree table if P2==0 and to a BTree index
** if P2==1. A BTree table must have an integer key and can have arbitrary
** data. A BTree index has no data but can have an arbitrary key.
**
** This opcode is used for tables that exist for the duration of a single
** SQL statement only. Tables created using CREATE TEMPORARY TABLE
@@ -2570,10 +2574,18 @@ case OP_OpenTemp: {
memset(pCx, 0, sizeof(*pCx));
rc = sqliteBtreeOpen(0, 0, TEMP_PAGES, &pCx->pBt);
if( rc==SQLITE_OK ){
rc = sqliteBtreeCursor(pCx->pBt, 2, 1, &pCx->pCursor);
rc = sqliteBtreeBeginTrans(pCx->pBt);
}
if( rc==SQLITE_OK ){
rc = sqliteBtreeBeginTrans(pCx->pBt);
if( pOp->p2 ){
int pgno;
rc = sqliteBtreeCreateIndex(pCx->pBt, &pgno);
if( rc==SQLITE_OK ){
rc = sqliteBtreeCursor(pCx->pBt, pgno, 1, &pCx->pCursor);
}
}else{
rc = sqliteBtreeCursor(pCx->pBt, 2, 1, &pCx->pCursor);
}
}
break;
}
@@ -3224,14 +3236,19 @@ case OP_Clear: {
** number into the parser's internal data structures that describe the
** new table.
**
** The difference between a table and an index is this: A table must
** have a 4-byte integer key and can have arbitrary data. An index
** has an arbitrary key but no data.
**
** See also: CreateIndex
*/
/* Opcode: CreateIndex * P2 P3
**
** This instruction does exactly the same thing as CreateTable. It
** has a different name for historical reasons.
** Allocate a new index in the main database file if P2==0 or in the
** auxiliary database file if P2==1. Push the page number of the
** root page of the new index onto the stack.
**
** See also: CreateTable
** See documentation on OP_CreateTable for additional information.
*/
case OP_CreateIndex:
case OP_CreateTable: {
@@ -3239,7 +3256,11 @@ case OP_CreateTable: {
int pgno;
VERIFY( if( NeedStack(p, p->tos) ) goto no_mem; )
assert( pOp->p3!=0 && pOp->p3type==P3_POINTER );
rc = sqliteBtreeCreateTable(pOp->p2 ? db->pBeTemp : pBt, &pgno);
if( pOp->opcode==OP_CreateTable ){
rc = sqliteBtreeCreateTable(pOp->p2 ? db->pBeTemp : pBt, &pgno);
}else{
rc = sqliteBtreeCreateIndex(pOp->p2 ? db->pBeTemp : pBt, &pgno);
}
if( rc==SQLITE_OK ){
aStack[i].i = pgno;
aStack[i].flags = STK_Int;