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Merge 5.5 -> 10.0-serg

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This commit is contained in:
Sergey Petrunya
2012-11-04 19:32:32 +04:00
parent be0be7af47 39e7072d64
commit 5e68c5ce7d
6 changed files with 216 additions and 16 deletions
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99
mysql-test/r/subselect2.result
View File

@ -180,6 +180,32 @@ SET optimizer_switch=@tmp_optimizer_switch;
DROP VIEW v1;
DROP TABLE t1,t2,t3;
#
# MDEV-536: LP:1050806 - different result for a query using subquery
#
DROP TABLE IF EXISTS `t1`;
Warnings:
Note 1051 Unknown table 't1'
CREATE TABLE `t1` (
`node_uid` bigint(20) unsigned DEFAULT NULL,
`date` datetime DEFAULT NULL,
`mirror_date` datetime DEFAULT NULL,
KEY `date` (`date`)
) ENGINE=MyISAM;
INSERT INTO `t1` VALUES (2085,'2012-01-01 00:00:00','2013-01-01 00:00:00');
INSERT INTO `t1` VALUES (2084,'2012-02-01 00:00:00','2013-01-01 00:00:00');
INSERT INTO `t1` VALUES (2088,'2012-03-01 00:00:00','2013-01-01 00:00:00');
SELECT * FROM (
SELECT node_uid, date, mirror_date, @result := 0 AS result
FROM t1
WHERE date < '2012-12-12 12:12:12'
AND node_uid in (2085, 2084)
ORDER BY mirror_date ASC
) AS calculated_result;
node_uid date mirror_date result
2085 2012-01-01 00:00:00 2013-01-01 00:00:00 0
2084 2012-02-01 00:00:00 2013-01-01 00:00:00 0
DROP TABLE t1;
#
# MDEV-567: Wrong result from a query with correlated subquery if ICP is allowed
#
CREATE TABLE t1 (a int, b int, INDEX idx(a));
@ -197,5 +223,76 @@ a b
1 0
1 1
1 3
DROP TABLE t1, t2, t3;
set @tmp_mdev567=@@optimizer_switch;
set optimizer_switch='mrr=off';
SELECT * FROM t3
WHERE a = (SELECT COUNT(DISTINCT t2.b) FROM t1, t2
WHERE t1.a = t2.a AND t2.a BETWEEN 7 AND 9
AND t3.b = t1.b
GROUP BY t1.b);
a b
1 0
1 1
1 3
DROP TABLE t1,t2,t3;
set optimizer_switch=@tmp_mdev567;
#
# MDEV-614, also MDEV-536, also LP:1050806:
# different result for a query using subquery between 5.5.25 and 5.5.27
#
CREATE TABLE `t1` (
`node_uid` bigint(20) unsigned DEFAULT NULL,
`date` datetime DEFAULT NULL,
`mirror_date` datetime DEFAULT NULL,
KEY `date` (`date`)
) ENGINE=MyISAM;
INSERT INTO `t1` VALUES (2085,'2012-01-01 00:00:00','2013-01-01 00:00:00');
INSERT INTO `t1` VALUES (2084,'2012-02-01 00:00:00','2013-01-01 00:00:00');
INSERT INTO `t1` VALUES (2088,'2012-03-01 00:00:00','2013-01-01 00:00:00');
explain
SELECT * FROM (
SELECT node_uid, date, mirror_date, @result := 0 AS result
FROM t1
WHERE date < '2012-12-12 12:12:12'
AND node_uid in (2085, 2084)
ORDER BY mirror_date ASC
) AS calculated_result;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 range date date 9 NULL 2 Using index condition; Using where; Rowid-ordered scan; Using filesort
SELECT * FROM (
SELECT node_uid, date, mirror_date, @result := 0 AS result
FROM t1
WHERE date < '2012-12-12 12:12:12'
AND node_uid in (2085, 2084)
ORDER BY mirror_date ASC
) AS calculated_result;
node_uid date mirror_date result
2085 2012-01-01 00:00:00 2013-01-01 00:00:00 0
2084 2012-02-01 00:00:00 2013-01-01 00:00:00 0
set @tmp_mdev614=@@optimizer_switch;
set optimizer_switch='mrr=off';
explain
SELECT * FROM (
SELECT node_uid, date, mirror_date, @result := 0 AS result
FROM t1
WHERE date < '2012-12-12 12:12:12'
AND node_uid in (2085, 2084)
ORDER BY mirror_date ASC
) AS calculated_result;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE <derived2> ALL NULL NULL NULL NULL 2
2 DERIVED t1 range date date 9 NULL 2 Using index condition; Using where; Using filesort
SELECT * FROM (
SELECT node_uid, date, mirror_date, @result := 0 AS result
FROM t1
WHERE date < '2012-12-12 12:12:12'
AND node_uid in (2085, 2084)
ORDER BY mirror_date ASC
) AS calculated_result;
node_uid date mirror_date result
2085 2012-01-01 00:00:00 2013-01-01 00:00:00 0
2084 2012-02-01 00:00:00 2013-01-01 00:00:00 0
set optimizer_switch=@tmp_mdev614;
DROP TABLE t1;
set optimizer_switch=@subselect2_test_tmp;

96
mysql-test/t/subselect2.test
View File

@ -203,6 +203,32 @@ SET optimizer_switch=@tmp_optimizer_switch;
DROP VIEW v1;
DROP TABLE t1,t2,t3;
--echo #
--echo # MDEV-536: LP:1050806 - different result for a query using subquery
--echo #
DROP TABLE IF EXISTS `t1`;
CREATE TABLE `t1` (
`node_uid` bigint(20) unsigned DEFAULT NULL,
`date` datetime DEFAULT NULL,
`mirror_date` datetime DEFAULT NULL,
KEY `date` (`date`)
) ENGINE=MyISAM;
INSERT INTO `t1` VALUES (2085,'2012-01-01 00:00:00','2013-01-01 00:00:00');
INSERT INTO `t1` VALUES (2084,'2012-02-01 00:00:00','2013-01-01 00:00:00');
INSERT INTO `t1` VALUES (2088,'2012-03-01 00:00:00','2013-01-01 00:00:00');
SELECT * FROM (
SELECT node_uid, date, mirror_date, @result := 0 AS result
FROM t1
WHERE date < '2012-12-12 12:12:12'
AND node_uid in (2085, 2084)
ORDER BY mirror_date ASC
) AS calculated_result;
DROP TABLE t1;
--echo #
--echo # MDEV-567: Wrong result from a query with correlated subquery if ICP is allowed
--echo #
@ -220,7 +246,75 @@ SELECT * FROM t3
WHERE t1.a = t2.a AND t2.a BETWEEN 7 AND 9
AND t3.b = t1.b
GROUP BY t1.b);
DROP TABLE t1, t2, t3;
set @tmp_mdev567=@@optimizer_switch;
set optimizer_switch='mrr=off';
SELECT * FROM t3
WHERE a = (SELECT COUNT(DISTINCT t2.b) FROM t1, t2
WHERE t1.a = t2.a AND t2.a BETWEEN 7 AND 9
AND t3.b = t1.b
GROUP BY t1.b);
DROP TABLE t1,t2,t3;
set optimizer_switch=@tmp_mdev567;
--echo #
--echo # MDEV-614, also MDEV-536, also LP:1050806:
--echo # different result for a query using subquery between 5.5.25 and 5.5.27
--echo #
CREATE TABLE `t1` (
`node_uid` bigint(20) unsigned DEFAULT NULL,
`date` datetime DEFAULT NULL,
`mirror_date` datetime DEFAULT NULL,
KEY `date` (`date`)
) ENGINE=MyISAM;
INSERT INTO `t1` VALUES (2085,'2012-01-01 00:00:00','2013-01-01 00:00:00');
INSERT INTO `t1` VALUES (2084,'2012-02-01 00:00:00','2013-01-01 00:00:00');
INSERT INTO `t1` VALUES (2088,'2012-03-01 00:00:00','2013-01-01 00:00:00');
explain
SELECT * FROM (
SELECT node_uid, date, mirror_date, @result := 0 AS result
FROM t1
WHERE date < '2012-12-12 12:12:12'
AND node_uid in (2085, 2084)
ORDER BY mirror_date ASC
) AS calculated_result;
SELECT * FROM (
SELECT node_uid, date, mirror_date, @result := 0 AS result
FROM t1
WHERE date < '2012-12-12 12:12:12'
AND node_uid in (2085, 2084)
ORDER BY mirror_date ASC
) AS calculated_result;
set @tmp_mdev614=@@optimizer_switch;
set optimizer_switch='mrr=off';
explain
SELECT * FROM (
SELECT node_uid, date, mirror_date, @result := 0 AS result
FROM t1
WHERE date < '2012-12-12 12:12:12'
AND node_uid in (2085, 2084)
ORDER BY mirror_date ASC
) AS calculated_result;
SELECT * FROM (
SELECT node_uid, date, mirror_date, @result := 0 AS result
FROM t1
WHERE date < '2012-12-12 12:12:12'
AND node_uid in (2085, 2084)
ORDER BY mirror_date ASC
) AS calculated_result;
set optimizer_switch=@tmp_mdev614;
DROP TABLE t1;
set optimizer_switch=@subselect2_test_tmp;

2
mysys/my_context.c
View File

@ -206,7 +206,7 @@ my_context_spawn(struct my_context *c, void (*f)(void *), void *d)
(
"movq %%rsp, (%[save])\n\t"
"movq %[stack], %%rsp\n\t"
#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 4
#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 4 && !defined(__INTEL_COMPILER)
/*
This emits a DWARF DW_CFA_undefined directive to make the return address
undefined. This indicates that this is the top of the stack frame, and

7
sql/opt_range.cc
View File

@ -10960,6 +10960,13 @@ int QUICK_RANGE_SELECT::reset()
cur_range= (QUICK_RANGE**) ranges.buffer;
RANGE_SEQ_IF seq_funcs= {NULL, quick_range_seq_init, quick_range_seq_next, 0, 0};
if (file->inited == handler::RND)
{
/* Handler could be left in this state by MRR */
if ((error= file->ha_rnd_end()))
DBUG_RETURN(error);
}
if (in_ror_merged_scan)
head->column_bitmaps_set_no_signal(&column_bitmap, &column_bitmap);

27
sql/sql_select.cc
View File

@ -19065,6 +19065,20 @@ create_sort_index(THD *thd, JOIN *join, ORDER *order,
save_pre_sort_join_tab= join->pre_sort_join_tab;
join->pre_sort_join_tab= NULL;
}
else
{
/*
Save index #, save index condition. Do it right now, because MRR may
*/
if (table->file->inited == handler::INDEX)
{
join->pre_sort_index= table->file->active_index;
join->pre_sort_idx_pushed_cond= table->file->pushed_idx_cond;
// no need to save key_read
}
else
join->pre_sort_index= MAX_KEY;
}
/* Currently ORDER BY ... LIMIT is not supported in subqueries. */
DBUG_ASSERT(join->group_list || !join->is_in_subquery());
@ -19155,17 +19169,6 @@ create_sort_index(THD *thd, JOIN *join, ORDER *order,
*(join->pre_sort_join_tab)= *tab;
if (table->file->inited == handler::INDEX)
{
// Save index #, save index condition
join->pre_sort_index= table->file->active_index;
join->pre_sort_idx_pushed_cond= table->file->pushed_idx_cond;
// no need to save key_read?
err= table->file->ha_index_end();
}
else
join->pre_sort_index= MAX_KEY;
/*TODO: here, close the index scan, cancel index-only read. */
#if 0
/* MariaDB doesn't need the following: */
@ -19211,8 +19214,6 @@ create_sort_index(THD *thd, JOIN *join, ORDER *order,
#endif
tab->select=NULL;
tab->set_select_cond(NULL, __LINE__);
// tab->last_inner= 0;
// tab->first_unmatched= 0;
tab->type=JT_ALL; // Read with normal read_record
tab->read_first_record= join_init_read_record;
tab->table->file->ha_index_or_rnd_end();

1
sql/sql_select.h
View File

@ -895,6 +895,7 @@ protected:
public:
JOIN_TAB *join_tab, **best_ref;
/*
For "Using temporary+Using filesort" queries, JOIN::join_tab can point to
either: