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Cleanup makeTargetEntry and remove internal.c.

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This commit is contained in:
Bruce Momjian
1998-07-20 19:53:53 +00:00
parent 97ac8f7ffc
commit 3dd2eabc53
10 changed files with 52 additions and 124 deletions
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60
src/backend/optimizer/util/internal.c
View File

@@ -1,60 +0,0 @@
/*-------------------------------------------------------------------------
*
* internal.c--
* Definitions required throughout the query optimizer.
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/Attic/internal.c,v 1.7 1998/02/26 04:33:17 momjian Exp $
*
*-------------------------------------------------------------------------
*/
/*
* ---------- SHARED MACROS
*
* Macros common to modules for creating, accessing, and modifying
* query tree and query plan components.
* Shared with the executor.
*
*/
#include <sys/types.h>
#include "postgres.h"
#include "optimizer/internal.h"
#include "nodes/relation.h"
#include "nodes/plannodes.h"
#include "nodes/primnodes.h"
#include "utils/palloc.h"
#ifdef NOT_USED
/*****************************************************************************
*
*****************************************************************************/
/* the following should probably be moved elsewhere -ay */
TargetEntry *
MakeTLE(Resdom *resdom, Node *expr)
{
TargetEntry *rt = makeNode(TargetEntry);
rt->resdom = resdom;
rt->expr = expr;
return rt;
}
Var *
get_expr(TargetEntry *tle)
{
Assert(tle != NULL);
Assert(tle->expr != NULL);
return ((Var *) tle->expr);
}
#endif /* 0 */

40
src/backend/optimizer/util/tlist.c
View File

@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/tlist.c,v 1.14 1998/07/18 04:22:41 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/tlist.c,v 1.15 1998/07/20 19:53:48 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -133,19 +133,15 @@ add_tl_element(RelOptInfo *rel, Var *var)
TargetEntry *
create_tl_element(Var *var, int resdomno)
{
TargetEntry *tlelement = makeNode(TargetEntry);
tlelement->resdom =
makeResdom(resdomno,
var->vartype,
var->vartypmod,
NULL,
(Index) 0,
(Oid) 0,
0);
tlelement->expr = (Node *) var;
return (tlelement);
return makeTargetEntry(makeResdom(resdomno,
var->vartype,
var->vartypmod,
NULL,
(Index) 0,
(Oid) 0,
0),
(Node *) var);
}
/*
@@ -351,7 +347,7 @@ copy_vars(List *target, List *source)
for (src = source, dest = target; src != NIL &&
dest != NIL; src = lnext(src), dest = lnext(dest))
{
TargetEntry *temp = MakeTLE(((TargetEntry *) lfirst(dest))->resdom,
TargetEntry *temp = makeTargetEntry(((TargetEntry *) lfirst(dest))->resdom,
(Node *) get_expr(lfirst(src)));
result = lappend(result, temp);
@@ -404,7 +400,7 @@ flatten_tlist(List *tlist)
(Oid) 0,
0);
last_resdomno++;
new_tlist = lappend(new_tlist, MakeTLE(r, (Node *) var));
new_tlist = lappend(new_tlist, makeTargetEntry(r, (Node *) var));
}
}
@@ -435,7 +431,7 @@ flatten_tlist_vars(List *full_tlist, List *flat_tlist)
result =
lappend(result,
MakeTLE(tle->resdom,
makeTargetEntry(tle->resdom,
flatten_tlistentry((Node *) get_expr(tle),
flat_tlist)));
}
@@ -544,16 +540,6 @@ flatten_tlistentry(Node *tlistentry, List *flat_tlist)
}
TargetEntry *
MakeTLE(Resdom *resdom, Node *expr)
{
TargetEntry *rt = makeNode(TargetEntry);
rt->resdom = resdom;
rt->expr = expr;
return rt;
}
Var *
get_expr(TargetEntry *tle)
{
@@ -597,7 +583,7 @@ AddGroupAttrToTlist(List *tlist, List *grpCl)
(Oid) 0,
0);
last_resdomno++;
tlist = lappend(tlist, MakeTLE(r, (Node *) var));
tlist = lappend(tlist, makeTargetEntry(r, (Node *) var));
}
}
}