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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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56
src/backend/optimizer/util/tlist.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/tlist.c,v 1.37 1999/08/09 05:34:13 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/util/tlist.c,v 1.38 1999/08/10 03:00:15 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -285,37 +285,31 @@ copy_vars(List *target, List *source)
List *
flatten_tlist(List *tlist)
{
List *vlist = pull_var_clause((Node *) tlist);
int last_resdomno = 1;
List *new_tlist = NIL;
List *tl;
List *v;
foreach(tl, tlist)
foreach(v, vlist)
{
TargetEntry *tl_entry = (TargetEntry *) lfirst(tl);
List *vlist = pull_var_clause((Node *) get_expr(tl_entry));
List *v;
Var *var = lfirst(v);
foreach(v, vlist)
if (! tlistentry_member(var, new_tlist))
{
Var *var = lfirst(v);
Resdom *r;
if (! tlistentry_member(var, new_tlist))
{
Resdom *r;
r = makeResdom(last_resdomno++,
var->vartype,
var->vartypmod,
NULL,
(Index) 0,
(Oid) 0,
false);
new_tlist = lappend(new_tlist,
makeTargetEntry(r, (Node *) var));
}
r = makeResdom(last_resdomno++,
var->vartype,
var->vartypmod,
NULL,
(Index) 0,
(Oid) 0,
false);
new_tlist = lappend(new_tlist,
makeTargetEntry(r, (Node *) var));
}
freeList(vlist);
}
freeList(vlist);
return new_tlist;
}
@@ -334,20 +328,8 @@ flatten_tlist(List *tlist)
List *
flatten_tlist_vars(List *full_tlist, List *flat_tlist)
{
List *result = NIL;
List *x;
foreach(x, full_tlist)
{
TargetEntry *tle = lfirst(x);
result = lappend(result,
makeTargetEntry(tle->resdom,
flatten_tlist_vars_mutator((Node *) get_expr(tle),
flat_tlist)));
}
return result;
return (List *) flatten_tlist_vars_mutator((Node *) full_tlist,
flat_tlist);
}
static Node *