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

c601bb87 · ramil@mysql.com · 211b78b6 · c601bb87
Commit c601bb87 authored Sep 01, 2005 by ramil@mysql.com
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sql/sql_select.cc sql/sql_select.cc +3 -0

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--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -541,6 +541,9 @@ JOIN::optimize()
    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 */