Below is the list of changes that have just been committed into a local
5.0 repository of ram. When ram does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
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ChangeSet
1.1933 05/09/01 15:06:36 ramil (AT) mysql (DOT) com +1 -0
a fix (bug #10303: Misleading Last_query_cost value).

sql/sql_select.cc
1.365 05/09/01 15:06:29 ramil (AT) mysql (DOT) com +3 -0
a fix (bug #10303: Misleading Last_query_cost value).
reset last_query_cost in the very beginning.

# This is a BitKeeper patch. What follows are the unified diffs for the
# set of deltas contained in the patch. The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User: ramil
# Host: gw.mysql.r18.ru
# Root: /usr/home/ram/work/5.0.b10303

--- 1.364/sql/sql_select.cc 2005-08-31 23:05:02 +05:00
+++ 1.365/sql/sql_select.cc 2005-09-01 15:06:29 +05:00
@@ -541,6 +541,9 @@
DBUG_RETURN(0);
optimized= 1;

+ if (thd->lex->orig_sql_command != SQLCOM_SHOW_STATUS)
+ thd->status_var.last_query_cost= 0.0;
+
row_limit= ((select_distinct || order || group_list) ? HA_POS_ERROR :
unit->select_limit_cnt);
/* select_limit is used to decide if we are likely to scan the whole table */

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