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mirror of https://github.com/sqlite/sqlite.git synced 2025-07-30 19:03:16 +03:00

Fix for ticket #110: return an error if trying to start a transaction within a

transaction or when attempting to commit or rollback outside of a transaction. (CVS 721)

FossilOrigin-Name: df51cb166bf7c5b8b0530cc86df8d2d68de81a40
This commit is contained in:
drh
2002-08-18 20:28:06 +00:00
parent d8acdb3c36
commit 6b8b8749d4
7 changed files with 46 additions and 32 deletions

View File

@ -25,7 +25,7 @@
** ROLLBACK
** PRAGMA
**
** $Id: build.c,v 1.108 2002/08/15 01:26:09 drh Exp $
** $Id: build.c,v 1.109 2002/08/18 20:28:07 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@ -1729,7 +1729,12 @@ void sqliteBeginTransaction(Parse *pParse, int onError){
if( pParse==0 || (db=pParse->db)==0 || db->pBe==0 ) return;
if( pParse->nErr || sqlite_malloc_failed ) return;
if( db->flags & SQLITE_InTrans ) return;
if( db->flags & SQLITE_InTrans ){
pParse->nErr++;
sqliteSetString(&pParse->zErrMsg, "cannot start a transaction "
"within a transaction", 0);
return;
}
sqliteBeginWriteOperation(pParse, 0);
db->flags |= SQLITE_InTrans;
db->onError = onError;
@ -1743,7 +1748,12 @@ void sqliteCommitTransaction(Parse *pParse){
if( pParse==0 || (db=pParse->db)==0 || db->pBe==0 ) return;
if( pParse->nErr || sqlite_malloc_failed ) return;
if( (db->flags & SQLITE_InTrans)==0 ) return;
if( (db->flags & SQLITE_InTrans)==0 ){
pParse->nErr++;
sqliteSetString(&pParse->zErrMsg,
"cannot commit - no transaction is active", 0);
return;
}
db->flags &= ~SQLITE_InTrans;
sqliteEndWriteOperation(pParse);
db->onError = OE_Default;
@ -1758,7 +1768,12 @@ void sqliteRollbackTransaction(Parse *pParse){
if( pParse==0 || (db=pParse->db)==0 || db->pBe==0 ) return;
if( pParse->nErr || sqlite_malloc_failed ) return;
if( (db->flags & SQLITE_InTrans)==0 ) return;
if( (db->flags & SQLITE_InTrans)==0 ){
pParse->nErr++;
sqliteSetString(&pParse->zErrMsg,
"cannot rollback - no transaction is active", 0);
return;
}
v = sqliteGetVdbe(pParse);
if( v ){
sqliteVdbeAddOp(v, OP_Rollback, 0, 0);