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Merge magare.gmz:/home/kgeorge/mysql/work/B30377-5.0-opt

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into  magare.gmz:/home/kgeorge/mysql/work/B30377-5.1-opt
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gkodinov/kgeorge@magare.gmz
2007-08-29 11:38:05 +03:00
parent 2df0485d93 cfaa0983c8
commit acf0ebe69f
4 changed files with 107 additions and 1 deletions
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6
sql/sql_select.cc
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@ -4505,8 +4505,12 @@ choose_plan(JOIN *join, table_map join_tables)
/*
Store the cost of this query into a user variable
Don't update last_query_cost for statements that are not "flat joins" :
i.e. they have subqueries, unions or call stored procedures.
TODO: calculate a correct cost for a query with subqueries and UNIONs.
*/
join->thd->status_var.last_query_cost= join->best_read;
if (join->thd->lex->is_single_level_stmt())
join->thd->status_var.last_query_cost= join->best_read;
DBUG_RETURN(FALSE);
}