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

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

View File

@@ -12,7 +12,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeSubqueryscan.c,v 1.14 2002/12/05 15:50:33 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeSubqueryscan.c,v 1.15 2002/12/13 19:45:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -131,10 +131,10 @@ ExecInitSubqueryScan(SubqueryScan *node, EState *estate)
* initialize child expressions
*/
subquerystate->ss.ps.targetlist = (List *)
ExecInitExpr((Node *) node->scan.plan.targetlist,
ExecInitExpr((Expr *) node->scan.plan.targetlist,
(PlanState *) subquerystate);
subquerystate->ss.ps.qual = (List *)
ExecInitExpr((Node *) node->scan.plan.qual,
ExecInitExpr((Expr *) node->scan.plan.qual,
(PlanState *) subquerystate);
#define SUBQUERYSCAN_NSLOTS 1