diff options
Diffstat (limited to 'sql/sql_union.cc')
| -rw-r--r-- | sql/sql_union.cc | 41 |
1 files changed, 32 insertions, 9 deletions
diff --git a/sql/sql_union.cc b/sql/sql_union.cc index 50de42d153c..90d9405ebe5 100644 --- a/sql/sql_union.cc +++ b/sql/sql_union.cc @@ -1,4 +1,4 @@ -/* Copyright 2000-2008 MySQL AB, 2008 Sun Microsystems, Inc. +/* Copyright (c) 2000, 2011, Oracle and/or its affiliates. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -11,7 +11,8 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ /* @@ -471,15 +472,27 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result, fake_select_lex->table_list.empty(); DBUG_RETURN(TRUE); } + + /* + Fake st_select_lex should have item list for correct ref_array + allocation. + */ fake_select_lex->item_list= item_list; thd_arg->lex->current_select= fake_select_lex; + + /* + We need to add up n_sum_items in order to make the correct + allocation in setup_ref_array(). + */ + fake_select_lex->n_child_sum_items+= global_parameters->n_sum_items; + saved_error= fake_select_lex->join-> prepare(&fake_select_lex->ref_pointer_array, fake_select_lex->table_list.first, 0, 0, - fake_select_lex->order_list.elements, - fake_select_lex->order_list.first, + global_parameters->order_list.elements, // og_num + global_parameters->order_list.first, // order NULL, NULL, NULL, fake_select_lex, this); fake_select_lex->table_list.empty(); @@ -709,11 +722,21 @@ bool st_select_lex_unit::exec() } fake_select_lex->join->no_const_tables= TRUE; - /* - Fake st_select_lex should have item list for correctref_array - allocation. - */ - fake_select_lex->item_list= item_list; + /* + Fake st_select_lex should have item list for correct ref_array + allocation. + */ + fake_select_lex->item_list= item_list; + + /* + We need to add up n_sum_items in order to make the correct + allocation in setup_ref_array(). + Don't add more sum_items if we have already done JOIN::prepare + for this (with a different join object) + */ + if (!fake_select_lex->ref_pointer_array) + fake_select_lex->n_child_sum_items+= global_parameters->n_sum_items; + saved_error= mysql_select(thd, &fake_select_lex->ref_pointer_array, &result_table_list, 0, item_list, NULL, |