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Commit ee6f400f authored by Sergey Petrunya's avatar Sergey Petrunya
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MDEV-5976: TokuDB: Wrong query result using mrr=on 

- Key_value_records_iterator::get_next() should pass pointer to the key 
  to handler->ha_index_next_same().  Because of a typo bug, pointer-to-pointer
  was passed instead in certain cases.
parent 216fbe2a
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Showing with 201 additions and 1 deletion
sql/multi_range_read.cc
View file @ ee6f400f
......@@ -1341,8 +1341,14 @@ int Key_value_records_iterator::get_next(range_id_t *range_info)
}
handler *h= owner->file;
uchar *lookup_key;
if (owner->keypar.use_key_pointers)
memcpy(&lookup_key, identical_key_it.read_ptr1, sizeof(void*));
else
lookup_key= identical_key_it.read_ptr1;
if ((res= h->ha_index_next_same(h->get_table()->record[0],
identical_key_it.read_ptr1,
lookup_key,
owner->keypar.key_tuple_length)))
{
/* It's either HA_ERR_END_OF_FILE or some other error */
......
storage/tokudb/mysql-test/tokudb_mariadb/r/mrr.result 0 → 100644
View file @ ee6f400f
drop table if exists t1,t2,t3;
#
# MDEV-5976: TokuDB: Wrong query result using mrr=on
#
create table t1(a int);
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
CREATE TABLE t2 (
task_id int(10) unsigned NOT NULL AUTO_INCREMENT,
`type` tinyint(3) DEFAULT NULL,
filler1 varchar(256),
filler2 varchar(256),
PRIMARY KEY (`task_id`),
KEY `ymtasks_type` (`type`)
) ENGINE=TokuDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 `COMPRESSION`=TOKUDB_LZMA;
INSERT INTO t2 VALUES
(1,1,'filler-data1','filler-data2'),
(2,1,'filler-data1','filler-data2');
CREATE TABLE t3 (
`task_id` int(10) unsigned NOT NULL DEFAULT '0',
`field` varchar(256) NOT NULL DEFAULT '',
`value` varchar(4096) DEFAULT NULL,
KEY `ymtasksoptions_task` (`task_id`),
KEY `ymtasksoptions_field` (`field`)
) ENGINE=TokuDB DEFAULT CHARSET=latin1 `COMPRESSION`=TOKUDB_LZMA;
INSERT INTO t3
select 1,
concat('field-data-', A.a*10 + B.a),
concat('field-data-', A.a*10 + B.a)
from t1 A, t1 B
where
A.a*10 + B.a < 38;
explain
SELECT t3.task_id, t3.field FROM
t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index PRIMARY,ymtasks_type ymtasks_type 2 NULL 2 Using where; Using index
1 SIMPLE t3 ref ymtasksoptions_task ymtasksoptions_task 4 test.t2.task_id 7
SELECT t3.task_id, t3.field FROM
t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11);
task_id field
1 field-data-0
1 field-data-10
1 field-data-20
1 field-data-30
1 field-data-1
1 field-data-11
1 field-data-21
1 field-data-31
1 field-data-2
1 field-data-12
1 field-data-22
1 field-data-32
1 field-data-3
1 field-data-13
1 field-data-23
1 field-data-33
1 field-data-4
1 field-data-14
1 field-data-24
1 field-data-34
1 field-data-5
1 field-data-15
1 field-data-25
1 field-data-35
1 field-data-6
1 field-data-16
1 field-data-26
1 field-data-36
1 field-data-7
1 field-data-17
1 field-data-27
1 field-data-37
1 field-data-8
1 field-data-18
1 field-data-28
1 field-data-9
1 field-data-19
1 field-data-29
set @tmp5976_jcl=@@join_cache_level;
set @tmp5976_os=@@optimizer_switch;
set join_cache_level= 6;
set optimizer_switch='mrr=on,mrr_sort_keys=on';
explain
SELECT t3.task_id, t3.field FROM
t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index PRIMARY,ymtasks_type ymtasks_type 2 NULL 2 Using where; Using index
1 SIMPLE t3 ref ymtasksoptions_task ymtasksoptions_task 4 test.t2.task_id 7 Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
SELECT t3.task_id, t3.field FROM
t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11);
task_id field
1 field-data-0
1 field-data-10
1 field-data-20
1 field-data-30
1 field-data-1
1 field-data-11
1 field-data-21
1 field-data-31
1 field-data-2
1 field-data-12
1 field-data-22
1 field-data-32
1 field-data-3
1 field-data-13
1 field-data-23
1 field-data-33
1 field-data-4
1 field-data-14
1 field-data-24
1 field-data-34
1 field-data-5
1 field-data-15
1 field-data-25
1 field-data-35
1 field-data-6
1 field-data-16
1 field-data-26
1 field-data-36
1 field-data-7
1 field-data-17
1 field-data-27
1 field-data-37
1 field-data-8
1 field-data-18
1 field-data-28
1 field-data-9
1 field-data-19
1 field-data-29
drop table t1,t2,t3;
set join_cache_level=@tmp5976_jcl;
set optimizer_switch=@tmp5976_os;
storage/tokudb/mysql-test/tokudb_mariadb/t/mrr.test 0 → 100644
View file @ ee6f400f
--disable_warnings
drop table if exists t1,t2,t3;
--enable_warnings
--echo #
--echo # MDEV-5976: TokuDB: Wrong query result using mrr=on
--echo #
create table t1(a int);
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
CREATE TABLE t2 (
task_id int(10) unsigned NOT NULL AUTO_INCREMENT,
`type` tinyint(3) DEFAULT NULL,
filler1 varchar(256),
filler2 varchar(256),
PRIMARY KEY (`task_id`),
KEY `ymtasks_type` (`type`)
) ENGINE=TokuDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 `COMPRESSION`=TOKUDB_LZMA;
INSERT INTO t2 VALUES
(1,1,'filler-data1','filler-data2'),
(2,1,'filler-data1','filler-data2');
CREATE TABLE t3 (
`task_id` int(10) unsigned NOT NULL DEFAULT '0',
`field` varchar(256) NOT NULL DEFAULT '',
`value` varchar(4096) DEFAULT NULL,
KEY `ymtasksoptions_task` (`task_id`),
KEY `ymtasksoptions_field` (`field`)
) ENGINE=TokuDB DEFAULT CHARSET=latin1 `COMPRESSION`=TOKUDB_LZMA;
INSERT INTO t3
select 1,
concat('field-data-', A.a*10 + B.a),
concat('field-data-', A.a*10 + B.a)
from t1 A, t1 B
where
A.a*10 + B.a < 38;
explain
SELECT t3.task_id, t3.field FROM
t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11);
SELECT t3.task_id, t3.field FROM
t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11);
set @tmp5976_jcl=@@join_cache_level;
set @tmp5976_os=@@optimizer_switch;
set join_cache_level= 6;
set optimizer_switch='mrr=on,mrr_sort_keys=on';
explain
SELECT t3.task_id, t3.field FROM
t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11);
SELECT t3.task_id, t3.field FROM
t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11);
drop table t1,t2,t3;
set join_cache_level=@tmp5976_jcl;
set optimizer_switch=@tmp5976_os;
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