Suppress pull-up of subqueries that are in the nullable side of an outer
Tom Lane <tgl@sss.pgh.pa.us>
Suppress pull-up of subqueries that are in the nullable side of an outer join. This is needed to avoid improper evaluation of expressions that should be nulled out, as in Victor Wagner's bug report of 4/27/01. Pretty ugly solution, but no time to do anything better for 7.1.1.
Files
| Path | Change | +/− |
|---|---|---|
| src/backend/optimizer/plan/planner.c | modified | +36 −3 |