diff options
Diffstat (limited to 'src')
| -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 fcfc678813d..d5a10adc671 100644 --- a/src/backend/commands/matview.c +++ b/src/backend/commands/matview.c @@ -283,6 +283,7 @@ refresh_matview_datafill(DestReceiver *dest, Query *query, Oid save_userid; int save_sec_context; int save_nestlevel; + Query *copied_query; /* * Switch to the owner's userid, so that any functions are run as that @@ -294,8 +295,10 @@ refresh_matview_datafill(DestReceiver *dest, Query *query, save_sec_context | SECURITY_RESTRICTED_OPERATION); save_nestlevel = NewGUCNestLevel(); - /* 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) |