diff options
Diffstat (limited to 'src/backend/commands/trigger.c')
| -rw-r--r-- | src/backend/commands/trigger.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/backend/commands/trigger.c b/src/backend/commands/trigger.c index 2d4b356a7f4..84c40637f57 100644 --- a/src/backend/commands/trigger.c +++ b/src/backend/commands/trigger.c @@ -7,7 +7,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/commands/trigger.c,v 1.177.4.7 2009/10/27 20:15:04 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/commands/trigger.c,v 1.177.4.8 2010/01/24 21:50:07 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -2530,10 +2530,9 @@ AfterTriggerEndSubXact(bool isCommit) /* * Pop the prior state if needed. */ - Assert(my_level < afterTriggers->maxtransdepth); - if (isCommit) { + Assert(my_level < afterTriggers->maxtransdepth); /* If we saved a prior state, we don't need it anymore */ state = afterTriggers->state_stack[my_level]; if (state != NULL) @@ -2546,7 +2545,15 @@ AfterTriggerEndSubXact(bool isCommit) else { /* - * Aborting --- restore the pointers from the stacks. + * Aborting. It is possible subxact start failed before calling + * AfterTriggerBeginSubXact, in which case we mustn't risk touching + * stack levels that aren't there. + */ + if (my_level >= afterTriggers->maxtransdepth) + return; + + /* + * Restore the pointers from the stacks. */ afterTriggers->events = afterTriggers->events_stack[my_level]; afterTriggers->query_depth = afterTriggers->depth_stack[my_level]; |