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Phase 3 of read-only-plans project: ExecInitExpr now builds expression

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execution state trees, and ExecEvalExpr takes an expression state tree
not an expression plan tree.  The plan tree is now read-only as far as
the executor is concerned.  Next step is to begin actually exploiting
this property.
This commit is contained in:
Tom Lane
2002-12-13 19:46:01 +00:00
parent 77b7a740f9
commit 3a4f7dde16
49 changed files with 993 additions and 815 deletions
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6
src/backend/executor/nodeGroup.c
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@ -15,7 +15,7 @@
* locate group boundaries.
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.51 2002/12/05 15:50:33 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeGroup.c,v 1.52 2002/12/13 19:45:52 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -168,10 +168,10 @@ ExecInitGroup(Group *node, EState *estate)
* initialize child expressions
*/
grpstate->ss.ps.targetlist = (List *)
ExecInitExpr((Node *) node->plan.targetlist,
ExecInitExpr((Expr *) node->plan.targetlist,
(PlanState *) grpstate);
grpstate->ss.ps.qual = (List *)
ExecInitExpr((Node *) node->plan.qual,
ExecInitExpr((Expr *) node->plan.qual,
(PlanState *) grpstate);
/*