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This commit is contained in:
Tom Lane 2000-10-19 23:06:24 +00:00
parent be7c0a926b
commit 8b53eaf90c
1 changed files with 15 additions and 2 deletions
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17
src/backend/utils/cache/temprel.c vendored
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@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/cache/Attic/temprel.c,v 1.28 2000/10/11 21:28:19 momjian Exp $ * $Header: /cvsroot/pgsql/src/backend/utils/cache/Attic/temprel.c,v 1.29 2000/10/19 23:06:24 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -91,24 +91,37 @@ create_temp_relation(const char *relname, HeapTuple pg_class_tuple)
void void
remove_all_temp_relations(void) remove_all_temp_relations(void)
{ {
/* skip xact start overhead if nothing to do */
if (temp_rels == NIL)
return;
AbortOutOfAnyTransaction(); AbortOutOfAnyTransaction();
StartTransactionCommand(); StartTransactionCommand();
/*
* The way this works is that each time through the loop, we delete
* the frontmost entry. The DROP will call remove_temp_rel_by_relid()
* as a side effect, thereby removing the entry in the temp_rels list.
* So this is not an infinite loop, even though it looks like one.
*/
while (temp_rels != NIL) while (temp_rels != NIL)
{ {
char relname[NAMEDATALEN];
TempTable *temp_rel = (TempTable *) lfirst(temp_rels); TempTable *temp_rel = (TempTable *) lfirst(temp_rels);
if (temp_rel->relkind != RELKIND_INDEX) if (temp_rel->relkind != RELKIND_INDEX)
{ {
char relname[NAMEDATALEN];
/* safe from deallocation */ /* safe from deallocation */
strcpy(relname, temp_rel->user_relname); strcpy(relname, temp_rel->user_relname);
heap_drop_with_catalog(relname, allowSystemTableMods); heap_drop_with_catalog(relname, allowSystemTableMods);
} }
else else
index_drop(temp_rel->relid); index_drop(temp_rel->relid);
/* advance cmd counter to make catalog changes visible */
CommandCounterIncrement(); CommandCounterIncrement();
} }
CommitTransactionCommand(); CommitTransactionCommand();
} }