diff options
Diffstat (limited to 'src/backend/utils/cache/relcache.c')
| -rw-r--r-- | src/backend/utils/cache/relcache.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/backend/utils/cache/relcache.c b/src/backend/utils/cache/relcache.c index 723e9657d5b..7bfb23aaf08 100644 --- a/src/backend/utils/cache/relcache.c +++ b/src/backend/utils/cache/relcache.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/cache/relcache.c,v 1.272 2008/05/12 00:00:52 alvherre Exp $ + * $PostgreSQL: pgsql/src/backend/utils/cache/relcache.c,v 1.273 2008/08/10 19:02:33 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -2986,6 +2986,13 @@ insert_ordered_oid(List *list, Oid datum) * messages. In practice it is only used on pg_class (see REINDEX). * * It is up to the caller to make sure the given list is correctly ordered. + * + * We deliberately do not change rd_indexattr here: even when operating + * with a temporary partial index list, HOT-update decisions must be made + * correctly with respect to the full index set. It is up to the caller + * to ensure that a correct rd_indexattr set has been cached before first + * calling RelationSetIndexList; else a subsequent inquiry might cause a + * wrong rd_indexattr set to get computed and cached. */ void RelationSetIndexList(Relation relation, List *indexIds, Oid oidIndex) @@ -3004,7 +3011,6 @@ RelationSetIndexList(Relation relation, List *indexIds, Oid oidIndex) relation->rd_indexvalid = 2; /* mark list as forced */ /* must flag that we have a forced index list */ need_eoxact_work = true; - /* we deliberately do not change rd_indexattr */ } /* |