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Get rid of the separate EState for subplans, and just let them share the

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parent query's EState.  Now that there's a single flat rangetable for both
the main plan and subplans, there's no need anymore for a separate EState,
and removing it allows cleaning up some crufty code in nodeSubplan.c and
nodeSubqueryscan.c.  Should be a tad faster too, although any difference
will probably be hard to measure.  This is the last bit of subsidiary
mop-up work from changing to a flat rangetable.
This commit is contained in:
Tom Lane
2007-02-27 01:11:26 +00:00
parent 4756ff3dca
commit c7ff7663e4
15 changed files with 258 additions and 358 deletions
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4
src/backend/nodes/outfuncs.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.301 2007/02/22 22:00:23 tgl Exp $
* $PostgreSQL: pgsql/src/backend/nodes/outfuncs.c,v 1.302 2007/02/27 01:11:25 tgl Exp $
*
* NOTES
* Every node type that can appear in stored rules' parsetrees *must*
@@ -246,6 +246,7 @@ _outPlannedStmt(StringInfo str, PlannedStmt *node)
WRITE_NODE_FIELD(resultRelations);
WRITE_NODE_FIELD(into);
WRITE_NODE_FIELD(subplans);
WRITE_BITMAPSET_FIELD(rewindPlanIDs);
WRITE_NODE_FIELD(returningLists);
WRITE_NODE_FIELD(rowMarks);
WRITE_INT_FIELD(nParamExec);
@@ -1262,6 +1263,7 @@ _outPlannerGlobal(StringInfo str, PlannerGlobal *node)
WRITE_NODE_FIELD(paramlist);
WRITE_NODE_FIELD(subplans);
WRITE_NODE_FIELD(subrtables);
WRITE_BITMAPSET_FIELD(rewindPlanIDs);
WRITE_NODE_FIELD(finalrtable);
}