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a fix (bug #10303: Misleading Last_query_cost value).

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ramil@mysql.com 2005-09-01 15:06:36 +05:00
parent 211b78b6ee
commit c601bb87f8
1 changed files with 3 additions and 0 deletions
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sql/sql_select.cc
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@ -541,6 +541,9 @@ JOIN::optimize()
DBUG_RETURN(0); DBUG_RETURN(0);
optimized= 1; 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 : row_limit= ((select_distinct || order || group_list) ? HA_POS_ERROR :
unit->select_limit_cnt); unit->select_limit_cnt);
/* select_limit is used to decide if we are likely to scan the whole table */ /* select_limit is used to decide if we are likely to scan the whole table */