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Add a comment to vdbe.c to explain the use of an uninitialized variable. (CVS 3551)

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FossilOrigin-Name: 1773eb7badf105b0e23316d4236903049c354c71
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drh
2007-01-04 01:20:11 +00:00
parent dddb2f23e2
commit 0bc5370cac
3 changed files with 11 additions and 8 deletions
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5
src/vdbe.c
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@@ -43,7 +43,7 @@
** in this file for details. If in doubt, do not deviate from existing
** commenting and indentation practices when changing or adding code.
**
** $Id: vdbe.c,v 1.582 2007/01/02 18:41:55 drh Exp $
** $Id: vdbe.c,v 1.583 2007/01/04 01:20:11 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@@ -3082,6 +3082,9 @@ case OP_NotExists: { /* no-push */
pC->rowidIsValid = res==0;
pC->nullRow = 0;
pC->cacheStatus = CACHE_STALE;
/* res might be uninitialized if rc!=SQLITE_OK. But if rc!=SQLITE_OK
** processing is about to abort so we really do not care whether or not
** the following jump is taken. */
if( res!=0 ){
pc = pOp->p2 - 1;
pC->rowidIsValid = 0;