aboutsummaryrefslogtreecommitdiff
path: root/src/backend/commands/tablecmds.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/backend/commands/tablecmds.c')
-rw-r--r--src/backend/commands/tablecmds.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 164ec56a592..ea96947d813 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -12466,9 +12466,12 @@ ATExecAlterConstrEnforceability(List **wqueue, ATAlterConstraint *cmdcon,
/*
* Tell Phase 3 to check that the constraint is satisfied by existing
- * rows.
+ * rows. Only applies to leaf partitions, and (for constraints that
+ * reference a partitioned table) only if this is not one of the
+ * pg_constraint rows that exist solely to support action triggers.
*/
- if (rel->rd_rel->relkind == RELKIND_RELATION)
+ if (rel->rd_rel->relkind == RELKIND_RELATION &&
+ currcon->confrelid == pkrelid)
{
AlteredTableInfo *tab;
NewConstraint *newcon;