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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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5
src/backend/executor/execMain.c
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@ -26,7 +26,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.191 2002/12/12 15:49:24 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/execMain.c,v 1.192 2002/12/13 19:45:52 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1543,7 +1543,8 @@ ExecRelCheck(ResultRelInfo *resultRelInfo,
{
qual = (List *) stringToNode(check[i].ccbin);
fix_opfuncids((Node *) qual);
resultRelInfo->ri_ConstraintExprs[i] = qual;
resultRelInfo->ri_ConstraintExprs[i] = (List *)
ExecInitExpr((Expr *) qual, NULL);
}
MemoryContextSwitchTo(oldContext);
}