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61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
/*-------------------------------------------------------------------------
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*
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* internal.c--
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* Definitions required throughout the query optimizer.
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/optimizer/util/Attic/internal.c,v 1.5 1997/09/08 02:24:56 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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/*
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* ---------- SHARED MACROS
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*
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* Macros common to modules for creating, accessing, and modifying
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* query tree and query plan components.
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* Shared with the executor.
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*
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*/
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#include <sys/types.h>
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#include "postgres.h"
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#include "optimizer/internal.h"
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#include "nodes/relation.h"
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#include "nodes/plannodes.h"
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#include "nodes/primnodes.h"
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#include "utils/palloc.h"
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#ifdef NOT_USED
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/*****************************************************************************
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*
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*****************************************************************************/
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/* the following should probably be moved elsewhere -ay */
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TargetEntry *
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MakeTLE(Resdom * resdom, Node * expr)
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{
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TargetEntry *rt = makeNode(TargetEntry);
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rt->resdom = resdom;
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rt->expr = expr;
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return rt;
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}
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Var *
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get_expr(TargetEntry * tle)
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{
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Assert(tle != NULL);
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Assert(tle->expr != NULL);
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return ((Var *) tle->expr);
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}
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#endif /* 0 */
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