diff options
Diffstat (limited to 'src/backend/statistics/extended_stats.c')
| -rw-r--r-- | src/backend/statistics/extended_stats.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/backend/statistics/extended_stats.c b/src/backend/statistics/extended_stats.c index b23c15e9db4..5762621673b 100644 --- a/src/backend/statistics/extended_stats.c +++ b/src/backend/statistics/extended_stats.c @@ -1698,10 +1698,13 @@ statext_mcv_clauselist_selectivity(PlannerInfo *root, List *clauses, int varReli RangeTblEntry *rte = planner_rt_fetch(rel->relid, root); /* - * When dealing with inheritance trees, ignore extended stats (which were - * built without data from child rels, and thus do not represent them). + * When dealing with regular inheritance trees, ignore extended stats + * (which were built without data from child rels, and thus do not + * represent them). For partitioned tables data there's no data in the + * non-leaf relations, so we build stats only for the inheritance tree. + * So for partitioned tables we do consider extended stats. */ - if (rte->inh) + if (rte->inh && rte->relkind != RELKIND_PARTITIONED_TABLE) return sel; /* check if there's any stats that might be useful for us. */ |