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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2005-11-03 17:45:29 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2005-11-03 17:45:29 +0000 |
| commit | fb30ac54e6c5d816f72d2bfff17c487b30e0ba79 (patch) | |
| tree | dec73b16de2e79b31905511fb6d9ac60f5fc27ed | |
| parent | abf293e155e6625845169d42c33d77d381e40d6a (diff) | |
| download | postgresql-fb30ac54e6c5d816f72d2bfff17c487b30e0ba79.tar.gz postgresql-fb30ac54e6c5d816f72d2bfff17c487b30e0ba79.zip | |
Thinking further, it seems we had better also copy down resorigtbl/resorigcol
to ensure that SubqueryScan elimination doesn't change the behavior of
reporting of original column sources.
| -rw-r--r-- | src/backend/optimizer/plan/setrefs.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c index 9f078924c25..e6f97fa0815 100644 --- a/src/backend/optimizer/plan/setrefs.c +++ b/src/backend/optimizer/plan/setrefs.c @@ -9,7 +9,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/plan/setrefs.c,v 1.116 2005/11/03 17:34:03 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/plan/setrefs.c,v 1.117 2005/11/03 17:45:29 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -382,9 +382,10 @@ set_subqueryscan_references(SubqueryScan *plan, List *rtable) result->initPlan); /* - * we also have to transfer the SubqueryScan's result-column names + * We also have to transfer the SubqueryScan's result-column names * into the subplan, else columns sent to client will be improperly - * labeled if this is the topmost plan level. + * labeled if this is the topmost plan level. Copy the "source + * column" information too. */ forboth(lp, plan->scan.plan.targetlist, lc, result->targetlist) { @@ -392,6 +393,8 @@ set_subqueryscan_references(SubqueryScan *plan, List *rtable) TargetEntry *ctle = (TargetEntry *) lfirst(lc); ctle->resname = ptle->resname; + ctle->resorigtbl = ptle->resorigtbl; + ctle->resorigcol = ptle->resorigcol; } } else |