diff options
Diffstat (limited to 'src/backend/optimizer/path/allpaths.c')
| -rw-r--r-- | src/backend/optimizer/path/allpaths.c | 36 |
1 files changed, 8 insertions, 28 deletions
diff --git a/src/backend/optimizer/path/allpaths.c b/src/backend/optimizer/path/allpaths.c index c2fc568dc8a..26b294d5d07 100644 --- a/src/backend/optimizer/path/allpaths.c +++ b/src/backend/optimizer/path/allpaths.c @@ -159,27 +159,6 @@ make_one_rel(PlannerInfo *root, List *joinlist) Index rti; double total_pages; - /* - * Construct the all_baserels Relids set. - */ - root->all_baserels = NULL; - for (rti = 1; rti < root->simple_rel_array_size; rti++) - { - RelOptInfo *brel = root->simple_rel_array[rti]; - - /* there may be empty slots corresponding to non-baserel RTEs */ - if (brel == NULL) - continue; - - Assert(brel->relid == rti); /* sanity check on array */ - - /* ignore RTEs that are "other rels" */ - if (brel->reloptkind != RELOPT_BASEREL) - continue; - - root->all_baserels = bms_add_member(root->all_baserels, brel->relid); - } - /* Mark base rels as to whether we care about fast-start plans */ set_base_rel_consider_startup(root); @@ -207,6 +186,7 @@ make_one_rel(PlannerInfo *root, List *joinlist) { RelOptInfo *brel = root->simple_rel_array[rti]; + /* there may be empty slots corresponding to non-baserel RTEs */ if (brel == NULL) continue; @@ -231,9 +211,9 @@ make_one_rel(PlannerInfo *root, List *joinlist) rel = make_rel_from_joinlist(root, joinlist); /* - * The result should join all and only the query's base rels. + * The result should join all and only the query's base + outer-join rels. */ - Assert(bms_equal(rel->relids, root->all_baserels)); + Assert(bms_equal(rel->relids, root->all_query_rels)); return rel; } @@ -558,7 +538,7 @@ set_rel_pathlist(PlannerInfo *root, RelOptInfo *rel, * the final scan/join targetlist is available (see grouping_planner). */ if (rel->reloptkind == RELOPT_BASEREL && - !bms_equal(rel->relids, root->all_baserels)) + !bms_equal(rel->relids, root->all_query_rels)) generate_useful_gather_paths(root, rel, false); /* Now find the cheapest of the paths for this rel */ @@ -879,7 +859,7 @@ set_tablesample_rel_pathlist(PlannerInfo *root, RelOptInfo *rel, RangeTblEntry * * to support an uncommon usage of second-rate sampling methods. Instead, * if there is a risk that the query might perform an unsafe join, just * wrap the SampleScan in a Materialize node. We can check for joins by - * counting the membership of all_baserels (note that this correctly + * counting the membership of all_query_rels (note that this correctly * counts inheritance trees as single rels). If we're inside a subquery, * we can't easily check whether a join might occur in the outer query, so * just assume one is possible. @@ -888,7 +868,7 @@ set_tablesample_rel_pathlist(PlannerInfo *root, RelOptInfo *rel, RangeTblEntry * * so check repeatable_across_scans last, even though that's a bit odd. */ if ((root->query_level > 1 || - bms_membership(root->all_baserels) != BMS_SINGLETON) && + bms_membership(root->all_query_rels) != BMS_SINGLETON) && !(GetTsmRoutine(rte->tablesample->tsmhandler)->repeatable_across_scans)) { path = (Path *) create_material_path(rel, path); @@ -970,7 +950,7 @@ set_append_rel_size(PlannerInfo *root, RelOptInfo *rel, if (enable_partitionwise_join && rel->reloptkind == RELOPT_BASEREL && rte->relkind == RELKIND_PARTITIONED_TABLE && - rel->attr_needed[InvalidAttrNumber - rel->min_attr] == NULL) + bms_is_empty(rel->attr_needed[InvalidAttrNumber - rel->min_attr])) rel->consider_partitionwise_join = true; /* @@ -3429,7 +3409,7 @@ standard_join_search(PlannerInfo *root, int levels_needed, List *initial_rels) * partial paths. We'll do the same for the topmost scan/join rel * once we know the final targetlist (see grouping_planner). */ - if (!bms_equal(rel->relids, root->all_baserels)) + if (!bms_equal(rel->relids, root->all_query_rels)) generate_useful_gather_paths(root, rel, false); /* Find and save the cheapest paths for this rel */ |