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genericcostestimate() neglected to include qual startup cost in

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indexTotalCost.  I think this may not make any real difference in 7.4,
but it definitely is a problem with CVS tip's new equation.
This commit is contained in:
Tom Lane
2004-02-27 21:44:44 +00:00
parent 36be19e3ed
commit 5cfb44a82e
1 changed files with 2 additions and 2 deletions
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4
src/backend/utils/adt/selfuncs.c
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@@ -15,7 +15,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.147.2.2 2004/02/02 03:07:14 tgl Exp $ * $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.147.2.3 2004/02/27 21:44:44 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@@ -3977,7 +3977,7 @@ genericcostestimate(Query *root, RelOptInfo *rel,
*/ */
cost_qual_eval(&index_qual_cost, indexQuals); cost_qual_eval(&index_qual_cost, indexQuals);
*indexStartupCost = index_qual_cost.startup; *indexStartupCost = index_qual_cost.startup;
*indexTotalCost = numIndexPages + *indexTotalCost = numIndexPages + index_qual_cost.startup +
(cpu_index_tuple_cost + index_qual_cost.per_tuple) * numIndexTuples; (cpu_index_tuple_cost + index_qual_cost.per_tuple) * numIndexTuples;
/* /*