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Remove the last traces of Joe Hellerstein's "xfunc" optimization. Patch

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from Alvaro Herrera. Also, removed lispsort.c, since it is no longer
used.
This commit is contained in:
Neil Conway
2004-04-25 18:23:57 +00:00
parent a3015829ee
commit 1812d3b233
8 changed files with 14 additions and 138 deletions
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15
src/backend/optimizer/plan/createplan.c
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@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/optimizer/plan/createplan.c,v 1.168 2004/02/29 17:36:05 tgl Exp $
* $PostgreSQL: pgsql/src/backend/optimizer/plan/createplan.c,v 1.169 2004/04/25 18:23:56 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@ -167,19 +167,6 @@ create_plan(Query *root, Path *best_path)
break;
}
#ifdef NOT_USED /* fix xfunc */
/* sort clauses by cost/(1-selectivity) -- JMH 2/26/92 */
if (XfuncMode != XFUNC_OFF)
{
set_qpqual((Plan) plan,
lisp_qsort(get_qpqual((Plan) plan),
xfunc_clause_compare));
if (XfuncMode != XFUNC_NOR)
/* sort the disjuncts within each clause by cost -- JMH 3/4/92 */
xfunc_disjunct_sort(plan->qpqual);
}
#endif
return plan;
}