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Merge 5.5.24 back into main 5.5.

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This is a weave merge, but without any conflicts.
In 14 source files, the copyright year needed to be updated to 2012.
This commit is contained in:
Joerg Bruehe
2012-05-07 22:20:42 +02:00
parent 1d47bbe3bf 83d455be90
commit 5be07ceadd
47 changed files with 755 additions and 95 deletions
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45
sql/sql_class.cc
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@ -1,5 +1,5 @@
/*
Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
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
@ -2861,13 +2861,42 @@ bool select_exists_subselect::send_data(List<Item> &items)
int select_dumpvar::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
{
unit= u;
List_iterator_fast<my_var> var_li(var_list);
List_iterator_fast<Item> it(list);
Item *item;
my_var *mv;
Item_func_set_user_var **suv;
if (var_list.elements != list.elements)
{
my_message(ER_WRONG_NUMBER_OF_COLUMNS_IN_SELECT,
ER(ER_WRONG_NUMBER_OF_COLUMNS_IN_SELECT), MYF(0));
return 1;
}
}
/*
Iterate over the destination variables and mark them as being
updated in this query.
We need to do this at JOIN::prepare time to ensure proper
const detection of Item_func_get_user_var that is determined
by the presence of Item_func_set_user_vars
*/
suv= set_var_items= (Item_func_set_user_var **)
sql_alloc(sizeof(Item_func_set_user_var *) * list.elements);
while ((mv= var_li++) && (item= it++))
{
if (!mv->local)
{
*suv= new Item_func_set_user_var(mv->s, item);
(*suv)->fix_fields(thd, 0);
}
else
*suv= NULL;
suv++;
}
return 0;
}
@ -3184,6 +3213,7 @@ bool select_dumpvar::send_data(List<Item> &items)
List_iterator<Item> it(items);
Item *item;
my_var *mv;
Item_func_set_user_var **suv;
DBUG_ENTER("select_dumpvar::send_data");
if (unit->offset_limit_cnt)
@ -3196,20 +3226,19 @@ bool select_dumpvar::send_data(List<Item> &items)
my_message(ER_TOO_MANY_ROWS, ER(ER_TOO_MANY_ROWS), MYF(0));
DBUG_RETURN(1);
}
while ((mv= var_li++) && (item= it++))
for (suv= set_var_items; ((mv= var_li++) && (item= it++)); suv++)
{
if (mv->local)
{
DBUG_ASSERT(!*suv);
if (thd->spcont->set_variable(thd, mv->offset, &item))
DBUG_RETURN(1);
}
else
{
Item_func_set_user_var *suv= new Item_func_set_user_var(mv->s, item);
if (suv->fix_fields(thd, 0))
DBUG_RETURN (1);
suv->save_item_result(item);
if (suv->update())
DBUG_ASSERT(*suv);
(*suv)->save_item_result(item);
if ((*suv)->update())
DBUG_RETURN (1);
}
}