mirror of
https://git.postgresql.org/git/postgresql.git
synced 2026-02-15 19:06:59 +08:00
lists to join RTEs, attach a list of Vars and COALESCE expressions that will replace the join's alias variables during planning. This simplifies flatten_join_alias_vars while still making it easy to fix up varno references when transforming the query tree. Add regression test cases for interactions of subqueries with outer joins.