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5.1 -> 5.5 merge

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This commit is contained in:
Sergey Glukhov 2012-08-09 15:50:29 +04:00
commit ec766b5dab
3 changed files with 7 additions and 6 deletions
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7
sql/item.cc
View File

@ -6429,7 +6429,12 @@ bool Item_ref::fix_fields(THD *thd, Item **reference)
if (from_field != not_found_field)
{
Item_field* fld;
if (!(fld= new Item_field(thd, last_checked_context, from_field)))
Query_arena backup, *arena;
arena= thd->activate_stmt_arena_if_needed(&backup);
fld= new Item_field(thd, last_checked_context, from_field);
if (arena)
thd->restore_active_arena(arena, &backup);
if (!fld)
goto error;
thd->change_item_tree(reference, fld);
mark_as_dependent(thd, last_checked_context->select_lex,

2
sql/item_subselect.cc
View File

@ -1146,7 +1146,7 @@ Item_in_subselect::single_value_transformer(JOIN *join,
}
else
{
Item *item= (Item*) select_lex->item_list.head();
Item *item= (Item*) select_lex->item_list.head()->real_item();
if (select_lex->table_list.elements)
{

4
sql/sql_select.cc
View File

@ -557,8 +557,6 @@ JOIN::prepare(Item ***rref_pointer_array,
if (having)
{
Query_arena backup, *arena;
arena= thd->activate_stmt_arena_if_needed(&backup);
nesting_map save_allow_sum_func= thd->lex->allow_sum_func;
thd->where="having clause";
thd->lex->allow_sum_func|= 1 << select_lex_arg->nest_level;
@ -568,8 +566,6 @@ JOIN::prepare(Item ***rref_pointer_array,
having->check_cols(1)));
select_lex->having_fix_field= 0;
select_lex->having= having;
if (arena)
thd->restore_active_arena(arena, &backup);
if (having_fix_rc || thd->is_error())
DBUG_RETURN(-1); /* purecov: inspected */