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-rw-r--r--src/backend/commands/trigger.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/src/backend/commands/trigger.c b/src/backend/commands/trigger.c
index 008774e5a8e..8eedda03aaf 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
- * $Header: /cvsroot/pgsql/src/backend/commands/trigger.c,v 1.99 2001/11/16 16:31:16 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/trigger.c,v 1.100 2002/01/03 23:21:23 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -105,6 +105,10 @@ CreateTrigger(CreateTrigStmt *stmt)
rel = heap_openr(stmt->relname, AccessExclusiveLock);
+ if (rel->rd_rel->relkind != RELKIND_RELATION)
+ elog(ERROR, "CreateTrigger: relation \"%s\" is not a table",
+ stmt->relname);
+
TRIGGER_CLEAR_TYPE(tgtype);
if (stmt->before)
TRIGGER_SETT_BEFORE(tgtype);
@@ -315,11 +319,20 @@ DropTrigger(DropTrigStmt *stmt)
int found = 0;
int tgfound = 0;
+ if (!allowSystemTableMods && IsSystemRelationName(stmt->relname))
+ elog(ERROR, "DropTrigger: can't drop trigger for system relation %s",
+ stmt->relname);
+
if (!pg_ownercheck(GetUserId(), stmt->relname, RELNAME))
- elog(ERROR, "%s: %s", stmt->relname, aclcheck_error_strings[ACLCHECK_NOT_OWNER]);
+ elog(ERROR, "%s: %s", stmt->relname,
+ aclcheck_error_strings[ACLCHECK_NOT_OWNER]);
rel = heap_openr(stmt->relname, AccessExclusiveLock);
+ if (rel->rd_rel->relkind != RELKIND_RELATION)
+ elog(ERROR, "DropTrigger: relation \"%s\" is not a table",
+ stmt->relname);
+
/*
* Search pg_trigger, delete target trigger, count remaining triggers
* for relation. Note this is OK only because we have