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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/bootstrap/bootstrap.c
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@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.145 2002/11/14 23:53:27 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.146 2002/12/13 19:45:45 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -31,6 +31,7 @@
#include "catalog/catname.h"
#include "catalog/index.h"
#include "catalog/pg_type.h"
#include "executor/executor.h"
#include "libpq/pqsignal.h"
#include "miscadmin.h"
#include "storage/ipc.h"
@ -1142,6 +1143,8 @@ index_register(Oid heap,
/* predicate will likely be null, but may as well copy it */
newind->il_info->ii_Predicate = (List *)
copyObject(indexInfo->ii_Predicate);
newind->il_info->ii_PredicateState = (List *)
ExecInitExpr((Expr *) newind->il_info->ii_Predicate, NULL);
newind->il_next = ILHead;
ILHead = newind;