diff options
| -rw-r--r-- | src/backend/commands/matview.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/backend/commands/matview.c b/src/backend/commands/matview.c index d3195fc62e5..f7b3244752e 100644 --- a/src/backend/commands/matview.c +++ b/src/backend/commands/matview.c @@ -242,9 +242,12 @@ refresh_matview_datafill(DestReceiver *dest, Query *query, List *rewritten; PlannedStmt *plan; QueryDesc *queryDesc; + Query *copied_query; - /* Rewrite, copying the given Query to make sure it's not changed */ - rewritten = QueryRewrite((Query *) copyObject(query)); + /* Lock and rewrite, using a copy to preserve the original query. */ + copied_query = copyObject(query); + AcquireRewriteLocks(copied_query, false); + rewritten = QueryRewrite(copied_query); /* SELECT should never rewrite to more or less than one SELECT query */ if (list_length(rewritten) != 1) |