mirror/postgresql
2
0
Fork 0
mirror of https://git.postgresql.org/git/postgresql.git synced 2025-02-23 19:39:53 +08:00
Code Issues Packages Projects Releases Wiki Activity

genericcostestimate() neglected to include qual startup cost in

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/backend/utils/adt/selfuncs.c
View File

@ -15,7 +15,7 @@
*
*
* 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);
*indexStartupCost = index_qual_cost.startup;
*indexTotalCost = numIndexPages +
*indexTotalCost = numIndexPages + index_qual_cost.startup +
(cpu_index_tuple_cost + index_qual_cost.per_tuple) * numIndexTuples;
/*