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Diffstat (limited to 'src/backend/executor/execMain.c')
-rw-r--r--src/backend/executor/execMain.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/src/backend/executor/execMain.c b/src/backend/executor/execMain.c
index 6b5f198c054..9e3d879ae77 100644
--- a/src/backend/executor/execMain.c
+++ b/src/backend/executor/execMain.c
@@ -1102,14 +1102,15 @@ CheckValidRowMarkRel(Relation rel, RowMarkType markType)
RelationGetRelationName(rel))));
break;
case RELKIND_MATVIEW:
- /* Should not get here */
- ereport(ERROR,
- (errcode(ERRCODE_WRONG_OBJECT_TYPE),
- errmsg("cannot lock rows in materialized view \"%s\"",
- RelationGetRelationName(rel))));
+ /* Allow referencing a matview, but not actual locking clauses */
+ if (markType != ROW_MARK_REFERENCE)
+ ereport(ERROR,
+ (errcode(ERRCODE_WRONG_OBJECT_TYPE),
+ errmsg("cannot lock rows in materialized view \"%s\"",
+ RelationGetRelationName(rel))));
break;
case RELKIND_FOREIGN_TABLE:
- /* Should not get here */
+ /* Should not get here; planner should have used ROW_MARK_COPY */
ereport(ERROR,
(errcode(ERRCODE_WRONG_OBJECT_TYPE),
errmsg("cannot lock rows in foreign table \"%s\"",