mirror/postgresql
2
0
Fork 0
mirror of https://git.postgresql.org/git/postgresql.git synced 2025-01-24 18:55:04 +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 21:44:34 +00:00
parent f5d8f0bb19
commit df79b847fe
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/backend/utils/adt/selfuncs.c
View File

@ -15,7 +15,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/selfuncs.c,v 1.157 2004/02/17 00:52:53 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/selfuncs.c,v 1.158 2004/02/27 21:44:34 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -4259,6 +4259,7 @@ genericcostestimate(Query *root, RelOptInfo *rel,
if (qual_arg_cost < 0) /* just in case... */
qual_arg_cost = 0;
*indexStartupCost = qual_arg_cost;
*indexTotalCost += qual_arg_cost;
*indexTotalCost += numIndexTuples * (cpu_index_tuple_cost + qual_op_cost);
/*