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Merge with 5.1-release.

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- Fixed problem with oqgraph and 'make dist'

Note that after this merge we have a problem show in join_outer where we examine too many rows in one specific case (related to BUG#57024).
This will be fixed when mwl#128 is merged into 5.3.
This commit is contained in:
Michael Widenius
2010-12-06 10:25:44 +02:00
parent ab5e4eefd5 b3c72b9a02
commit b7b25dc666
604 changed files with 12868 additions and 6394 deletions
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9
sql/sql_union.cc
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@@ -195,7 +195,6 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
SELECT_LEX *sl, *first_sl= first_select();
select_result *tmp_result;
bool is_union_select;
TABLE *empty_table= 0;
DBUG_ENTER("st_select_lex_unit::prepare");
describe= test(additional_options & SELECT_DESCRIBE);
@@ -297,14 +296,6 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
types= first_sl->item_list;
else if (sl == first_sl)
{
/*
We need to create an empty table object. It is used
to create tmp_table fields in Item_type_holder.
The main reason of this is that we can't create
field object without table.
*/
DBUG_ASSERT(!empty_table);
empty_table= (TABLE*) thd->calloc(sizeof(TABLE));
types.empty();
List_iterator_fast<Item> it(sl->item_list);
Item *item_tmp;