diff options
Diffstat (limited to 'src/backend/utils/cache')
| -rw-r--r-- | src/backend/utils/cache/typcache.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/backend/utils/cache/typcache.c b/src/backend/utils/cache/typcache.c index fc01e7876d9..11920db0d99 100644 --- a/src/backend/utils/cache/typcache.c +++ b/src/backend/utils/cache/typcache.c @@ -2116,6 +2116,16 @@ TypeCacheRelCallback(Datum arg, Oid relid) if (--typentry->tupDesc->tdrefcount == 0) FreeTupleDesc(typentry->tupDesc); typentry->tupDesc = NULL; + + /* + * Also clear tupDesc_identifier, so that anything watching + * that will realize that the tupdesc has possibly changed. + * (Alternatively, we could specify that to detect possible + * tupdesc change, one must check for tupDesc != NULL as well + * as tupDesc_identifier being the same as what was previously + * seen. That seems error-prone.) + */ + typentry->tupDesc_identifier = 0; } /* Reset equality/comparison/hashing validity information */ |