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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.
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@ -10,7 +10,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/optimizer/plan/createplan.c,v 1.189 2005/05/22 22:30:19 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/optimizer/plan/createplan.c,v 1.190 2005/05/30 18:55:49 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -308,13 +308,17 @@ use_physical_tlist(RelOptInfo *rel)
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int i;
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/*
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* OK for subquery scans, but not function scans. (This is mainly
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* because build_physical_tlist doesn't support them; worth adding?)
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* OK for subquery and function scans; otherwise, can't do it for
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* anything except real relations.
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*/
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if (rel->rtekind == RTE_SUBQUERY)
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return true;
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if (rel->rtekind != RTE_RELATION)
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{
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if (rel->rtekind == RTE_SUBQUERY)
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return true;
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if (rel->rtekind == RTE_FUNCTION)
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return true;
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return false;
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}
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/*
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* Can't do it with inheritance cases either (mainly because Append
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