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Fix for ticket #124: Fix a stack VDBE overflow problem on joins on an

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INTEGER PRIMARY KEY. (CVS 700)

FossilOrigin-Name: fe329e078fa209faf62e08599a00c7efa75b8501
This commit is contained in:
drh
2002-07-31 19:50:26 +00:00
parent 4eb9c6b9fd
commit f1351b6759
5 changed files with 83 additions and 16 deletions
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9
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 1.166 2002/07/30 17:20:40 drh Exp $
** $Id: vdbe.c,v 1.167 2002/07/31 19:50:27 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -1976,12 +1976,16 @@ case OP_AddImm: {
break;
}
/* Opcode: MustBeInt * P2 *
/* Opcode: MustBeInt P1 P2 *
**
** Force the top of the stack to be an integer. If the top of the
** stack is not an integer and cannot be converted into an integer
** with out data loss, then jump immediately to P2, or if P2==0
** raise an SQLITE_MISMATCH exception.
**
** If the top of the stack is not an integer and P2 is not zero and
** P1 is 1, then the stack is popped. In all other cases, the depth
** of the stack is unchanged.
*/
case OP_MustBeInt: {
int tos = p->tos;
@@ -2012,6 +2016,7 @@ mismatch:
rc = SQLITE_MISMATCH;
goto abort_due_to_error;
}else{
if( pOp->p1 ) POPSTACK;
pc = pOp->p2 - 1;
}
break;