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Fix overly-strict sanity check in BeginInternalSubTransaction that made it

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fail when used in a deferred trigger.  Bug goes back to 8.0; no doubt the
reason it hadn't been noticed is that we've been discouraging use of
user-defined constraint triggers.  Per report from Frank van Vugt.
This commit is contained in:
Tom Lane 2007-05-30 21:02:02 +00:00
parent e7933588eb
commit 962cd2344e
1 changed files with 6 additions and 5 deletions
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11
src/backend/access/transam/xact.c
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@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/access/transam/xact.c,v 1.195.4.2 2007/04/26 23:25:30 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/transam/xact.c,v 1.195.4.3 2007/05/30 21:02:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -2935,9 +2935,10 @@ RollbackToSavepoint(List *options)
/*
* BeginInternalSubTransaction
* This is the same as DefineSavepoint except it allows TBLOCK_STARTED
* state, and therefore it can safely be used in a function that might
* be called when not inside a BEGIN block. Also, we automatically
* cycle through CommitTransactionCommand/StartTransactionCommand
* and TBLOCK_END states, and therefore it can safely be
* used in functions that might be called when not inside a BEGIN block
* or when running deferred triggers at COMMIT time. Also, it
* automatically does CommitTransactionCommand/StartTransactionCommand
* instead of expecting the caller to do it.
*/
void
@ -2949,6 +2950,7 @@ BeginInternalSubTransaction(char *name)
{
case TBLOCK_STARTED:
case TBLOCK_INPROGRESS:
case TBLOCK_END:
case TBLOCK_SUBINPROGRESS:
/* Normal subtransaction start */
PushTransaction();
@ -2966,7 +2968,6 @@ BeginInternalSubTransaction(char *name)
case TBLOCK_DEFAULT:
case TBLOCK_BEGIN:
case TBLOCK_SUBBEGIN:
case TBLOCK_END:
case TBLOCK_SUBEND:
case TBLOCK_ABORT:
case TBLOCK_SUBABORT: