diff options
| -rw-r--r-- | src/backend/optimizer/path/allpaths.c | 24 |
1 files changed, 1 insertions, 23 deletions
diff --git a/src/backend/optimizer/path/allpaths.c b/src/backend/optimizer/path/allpaths.c index eea49cca7bb..3cda88e3333 100644 --- a/src/backend/optimizer/path/allpaths.c +++ b/src/backend/optimizer/path/allpaths.c @@ -2190,28 +2190,6 @@ set_dummy_rel_pathlist(RelOptInfo *rel) set_cheapest(rel); } -/* quick-and-dirty test to see if any joining is needed */ -static bool -has_multiple_baserels(PlannerInfo *root) -{ - int num_base_rels = 0; - Index rti; - - for (rti = 1; rti < root->simple_rel_array_size; rti++) - { - RelOptInfo *brel = root->simple_rel_array[rti]; - - if (brel == NULL) - continue; - - /* ignore RTEs that are "other rels" */ - if (brel->reloptkind == RELOPT_BASEREL) - if (++num_base_rels > 1) - return true; - } - return false; -} - /* * find_window_run_conditions * Determine if 'wfunc' is really a WindowFunc and call its prosupport @@ -2661,7 +2639,7 @@ set_subquery_pathlist(PlannerInfo *root, RelOptInfo *rel, root->hasHavingQual || parse->distinctClause || parse->sortClause || - has_multiple_baserels(root)) + bms_membership(root->all_baserels) == BMS_MULTIPLE) tuple_fraction = 0.0; /* default case */ else tuple_fraction = root->tuple_fraction; |