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Minor cleanups and code beautification; eliminate some

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routines that are now dead code.
This commit is contained in:
Tom Lane
1999-08-10 03:00:15 +00:00
parent 4a1c5cb953
commit 2ae51c86c9
5 changed files with 119 additions and 226 deletions
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23
src/backend/optimizer/util/var.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/var.c,v 1.21 1999/07/15 22:39:32 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/var.c,v 1.22 1999/08/10 03:00:15 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -15,12 +15,10 @@
#include "postgres.h"
#include "optimizer/clauses.h"
#include "optimizer/var.h"
static bool pull_varnos_walker(Node *node, List **listptr);
static bool contain_var_clause_walker(Node *node, void *context);
static bool pull_var_clause_walker(Node *node, List **listptr);
@@ -111,22 +109,23 @@ pull_var_clause_walker(Node *node, List **listptr)
/*
* var_equal
*
* The only difference between this an equal() is that this does not
* test varnoold and varoattno.
* This is like equal() except that it does NOT test varnoold and
* varoattno. Also, it will not compare non-Var nodes.
*
* Returns t iff two var nodes correspond to the same attribute.
*/
bool
var_equal(Var *var1, Var *var2)
{
if (IsA(var1, Var) &&IsA(var2, Var) &&
(((Var *) var1)->varno == ((Var *) var2)->varno) &&
(((Var *) var1)->vartype == ((Var *) var2)->vartype) &&
(((Var *) var1)->vartypmod == ((Var *) var2)->vartypmod) &&
(((Var *) var1)->varlevelsup == ((Var *) var2)->varlevelsup) &&
(((Var *) var1)->varattno == ((Var *) var2)->varattno))
if (var1 != NULL && IsA(var1, Var) &&
var2 != NULL && IsA(var2, Var) &&
var1->varno == var2->varno &&
var1->varattno == var2->varattno &&
var1->vartype == var2->vartype &&
var1->vartypmod == var2->vartypmod &&
var1->varlevelsup == var2->varlevelsup)
{
Assert(((Var *) var1)->varlevelsup == 0);
Assert(var1->varlevelsup == 0); /* XXX why do this here??? */
return true;
}
else