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Merge from 5.1 to 5.5

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This commit is contained in:
Chaithra Gopalareddy 2012-04-18 11:34:36 +05:30
commit 2479f3cb7b
3 changed files with 59 additions and 2 deletions
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27
mysql-test/r/select.result
View File

@ -4988,3 +4988,30 @@ f1
DROP TABLE t1;
DROP VIEW view_t1;
# End of test BUG#63020
#
# Bug#12713907: STRANGE OPTIMIZE & WRONG RESULT UNDER ORDER BY
# COUNT(*) LIMIT.
#
CREATE TABLE t1 (
id BIGINT(20) ,
member_id_to INT(11) ,
r_date DATE ,
PRIMARY KEY (id,r_date),
KEY r_date_idx (r_date),
KEY t1_idx01 (member_id_to)
) ENGINE=InnoDB;
INSERT INTO t1 VALUES
(107924526,518491,'2011-05-01'),
(107924527,518491,'2011-05-01'),
(107924534,518491,'2011-06-21'),
(107924535,518491,'2011-06-21'),
(107924542,1601319,'2011-06-21'),
(107924543,1601319,'2011-06-21'),
(107924544,1601319,'2011-06-21'),
(107924545,1601319,'2011-06-21');
SELECT member_id_to, COUNT(*) FROM t1 WHERE r_date =
'2011-06-21' GROUP BY member_id_to ORDER BY 2 LIMIT 1;
member_id_to COUNT(*)
518491 2
DROP TABLE t1;
# End of test BUG#12713907

32
mysql-test/t/select.test
View File

@ -4253,3 +4253,35 @@ DROP VIEW view_t1;
--echo # End of test BUG#63020
--echo #
--echo # Bug#12713907: STRANGE OPTIMIZE & WRONG RESULT UNDER ORDER BY
--echo # COUNT(*) LIMIT.
--echo #
CREATE TABLE t1 (
id BIGINT(20) ,
member_id_to INT(11) ,
r_date DATE ,
PRIMARY KEY (id,r_date),
KEY r_date_idx (r_date),
KEY t1_idx01 (member_id_to)
) ENGINE=InnoDB;
INSERT INTO t1 VALUES
(107924526,518491,'2011-05-01'),
(107924527,518491,'2011-05-01'),
(107924534,518491,'2011-06-21'),
(107924535,518491,'2011-06-21'),
(107924542,1601319,'2011-06-21'),
(107924543,1601319,'2011-06-21'),
(107924544,1601319,'2011-06-21'),
(107924545,1601319,'2011-06-21');
SELECT member_id_to, COUNT(*) FROM t1 WHERE r_date =
'2011-06-21' GROUP BY member_id_to ORDER BY 2 LIMIT 1;
DROP TABLE t1;
--echo # End of test BUG#12713907

2
sql/sql_select.cc
View File

@ -13925,8 +13925,6 @@ check_reverse_order:
join_read_first:join_read_last;
tab->type=JT_NEXT; // Read with index_first(), index_next()
if (table->covering_keys.is_set(best_key))
table->set_keyread(TRUE);
table->file->ha_index_or_rnd_end();
if (tab->join->select_options & SELECT_DESCRIBE)
{