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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2005-05-30 18:55:49 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2005-05-30 18:55:49 +0000 |
| commit | ac25dbd84bbcc288fc93f4053b6df4b848cf5bc6 (patch) | |
| tree | c04bac159bf120cb50c9c4dcf8c8c7943a3cf8e0 /src/backend/optimizer/plan/createplan.c | |
| parent | 3e8dbc846c55f467c4f3f46cab8286ab6762c481 (diff) | |
| download | postgresql-ac25dbd84bbcc288fc93f4053b6df4b848cf5bc6.tar.gz postgresql-ac25dbd84bbcc288fc93f4053b6df4b848cf5bc6.zip | |
Add support for FUNCTION RTEs to build_physical_tlist(), so that the
physical-tlist optimization can be applied to FunctionScan nodes as well
as regular tables and SubqueryScans.
Diffstat (limited to 'src/backend/optimizer/plan/createplan.c')
| -rw-r--r-- | src/backend/optimizer/plan/createplan.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/backend/optimizer/plan/createplan.c b/src/backend/optimizer/plan/createplan.c index 930355b5204..b743c8348ed 100644 --- a/src/backend/optimizer/plan/createplan.c +++ b/src/backend/optimizer/plan/createplan.c @@ -10,7 +10,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/plan/createplan.c,v 1.189 2005/05/22 22:30:19 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/plan/createplan.c,v 1.190 2005/05/30 18:55:49 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -308,13 +308,17 @@ use_physical_tlist(RelOptInfo *rel) int i; /* - * OK for subquery scans, but not function scans. (This is mainly - * because build_physical_tlist doesn't support them; worth adding?) + * OK for subquery and function scans; otherwise, can't do it for + * anything except real relations. */ - if (rel->rtekind == RTE_SUBQUERY) - return true; if (rel->rtekind != RTE_RELATION) + { + if (rel->rtekind == RTE_SUBQUERY) + return true; + if (rel->rtekind == RTE_FUNCTION) + return true; return false; + } /* * Can't do it with inheritance cases either (mainly because Append |