diff options
| -rw-r--r-- | src/backend/optimizer/README | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/optimizer/README b/src/backend/optimizer/README index 7dcab9a54b6..d174b8cb73a 100644 --- a/src/backend/optimizer/README +++ b/src/backend/optimizer/README @@ -315,7 +315,7 @@ set up for recursive handling of subqueries preprocess target list for non-SELECT queries handle UNION/INTERSECT/EXCEPT, GROUP BY, HAVING, aggregates, ORDER BY, DISTINCT, LIMIT ---query_planner() +---query_planner() make list of base relations used in query split up the qual into restrictions (a=1) and joins (b=c) find qual clauses that enable merge and hash joins @@ -325,7 +325,7 @@ set up for recursive handling of subqueries find selectivity of columns used in joins make_rel_from_joinlist() hand off join subproblems to a plugin, GEQO, or standard_join_search() ------standard_join_search() +------standard_join_search() call join_search_one_level() for each level of join tree needed join_search_one_level(): For each joinrel of the prior level, do make_rels_by_clause_joins() |