Commit 7c9c5b7d authored by Kristofer Pettersson's avatar Kristofer Pettersson
Browse files

Bug#29507 TRUNCATE shows to many rows effected 

TRUNCATE TABLE for InnoDB tables returned a count showing an approximation
of the number of rows affected to gain efficiency.
Now the statement always returns 0 rows affected for clarity.
parent 54eaadf0

sql/sql_delete.cc

+5 −1
Original line number Diff line number Diff line
@@ -398,7 +398,11 @@ bool mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds, 
  free_underlaid_joins(thd, select_lex);

  if (error < 0 || (thd->lex->ignore && !thd->is_fatal_error))

  {

    thd->row_count_func= deleted;

    /*

      If a TRUNCATE TABLE was issued, the number of rows should be reported as

      zero since the exact number is unknown.

    */

    thd->row_count_func= reset_auto_increment ? 0 : deleted;

    my_ok(thd, (ha_rows) thd->row_count_func);

    DBUG_PRINT("info",("%ld records deleted",(long) deleted));

  }