Commit 2a0f9f33 authored by unknown's avatar unknown
Browse files

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


sql/sql_select.cc:
  a fix (bug #10303: Misleading Last_query_cost value).
  reset last_query_cost in the very beginning.
parent b5f87344

sql/sql_select.cc

+3 −0
Original line number Diff line number Diff line
@@ -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 */