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-rw-r--r--src/backend/commands/trigger.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/backend/commands/trigger.c b/src/backend/commands/trigger.c
index 6f5f90f9af4..2d4b356a7f4 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 1.177.4.6 2008/10/25 03:33:05 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/commands/trigger.c,v 1.177.4.7 2009/10/27 20:15:04 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2946,8 +2946,15 @@ AfterTriggerSaveEvent(ResultRelInfo *relinfo, int event, bool row_trigger,
ItemPointerData oldctid;
ItemPointerData newctid;
+ /*
+ * Check state. We use normal tests not Asserts because it is possible
+ * to reach here in the wrong state given misconfigured RI triggers,
+ * in particular deferring a cascade action trigger.
+ */
if (afterTriggers == NULL)
elog(ERROR, "AfterTriggerSaveEvent() called outside of transaction");
+ if (afterTriggers->query_depth < 0)
+ elog(ERROR, "AfterTriggerSaveEvent() called outside of query");
/*
* Get the CTID's of OLD and NEW