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mdev-4173: Wrong result (extra row) with semijoin=on, joins in outer query, LEFT JOIN in the subquery

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Apply the patch from Patryk Pomykalski:
- create_internal_tmp_table_from_heap() will now return information whether
  the last row that we tried to write was a duplicate row.
(mysql-5.6 also has this change)
This commit is contained in:
Sergey Petrunya
2013-07-16 09:22:17 +04:00
parent 716a49a19e
commit 9651a6f574
10 changed files with 150 additions and 17 deletions
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2
sql/sql_update.cc
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@@ -2008,7 +2008,7 @@ int multi_update::send_data(List<Item> &not_used_values)
create_internal_tmp_table_from_heap(thd, tmp_table,
tmp_table_param[offset].start_recinfo,
&tmp_table_param[offset].recinfo,
error, 1))
error, 1, NULL))
{
do_update= 0;
DBUG_RETURN(1); // Not a table_is_full error