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160d97a4aa
ha_partition stores records in array of m_ordered_rec_buffer and uses it for prio queue in ordered index scan. When the records are restored from the array the blob buffers may be already freed or rewritten. The solution is to take temporary ownership of cached blob buffers via String::swap(). When the record is restored from m_ordered_rec_buffer the ownership is returned to table fields. Cleanups: init_record_priority_queue(): removed needless !m_ordered_rec_buffer check as there is same assertion few lines before. dbug_print_row() for arbitrary row pointer
91 lines
2.6 KiB
Plaintext
91 lines
2.6 KiB
Plaintext
connect master,127.0.0.1,root,,test,$MASTER_MYPORT,;
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connect slave,127.0.0.1,root,,test,$SLAVE_MYPORT,;
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connection master;
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CREATE DATABASE federated;
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connection slave;
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CREATE DATABASE federated;
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drop table if exists t1;
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connection slave;
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create table federated.t1_1 (s1 int primary key) engine=myisam;
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create table federated.t1_2 (s1 int primary key) engine=innodb;
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connection master;
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create table t1 (s1 int primary key) engine=federated
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partition by list (s1)
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(partition p1 values in (1,3)
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connection='mysql://root@127.0.0.1:SLAVE_PORT/federated/t1_1',
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partition p2 values in (2,4)
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connection='mysql://root@127.0.0.1:SLAVE_PORT/federated/t1_2');
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`s1` int(11) NOT NULL,
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PRIMARY KEY (`s1`)
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) ENGINE=FEDERATED DEFAULT CHARSET=latin1
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PARTITION BY LIST (`s1`)
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(PARTITION `p1` VALUES IN (1,3) CONNECTION = 'mysql://root@127.0.0.1:SLAVE_PORT/federated/t1_1' ENGINE = FEDERATED,
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PARTITION `p2` VALUES IN (2,4) CONNECTION = 'mysql://root@127.0.0.1:SLAVE_PORT/federated/t1_2' ENGINE = FEDERATED)
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insert into t1 values (1), (2), (3), (4);
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select * from t1;
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s1
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1
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3
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2
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4
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connection slave;
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select * from federated.t1_1;
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s1
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1
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3
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select * from federated.t1_2;
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s1
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2
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4
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connection master;
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drop table t1;
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connection slave;
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drop table federated.t1_1;
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drop table federated.t1_2;
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End of 5.1 tests
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#
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# MDEV-18734 ASAN heap-use-after-free upon sorting by blob column from partitioned table
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#
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connection slave;
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use federated;
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create table t1_1 (x int, b text, key(x));
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create table t1_2 (x int, b text, key(x));
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connection master;
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create table t1 (x int, b text, key(x)) engine=federated
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partition by range columns (x) (
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partition p1 values less than (40) connection='mysql://root@127.0.0.1:SLAVE_PORT/federated/t1_1',
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partition pn values less than (maxvalue) connection='mysql://root@127.0.0.1:SLAVE_PORT/federated/t1_2'
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);
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insert t1 values (1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6), (7, 7), (8, 8);
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insert t1 select x + 8, x + 8 from t1;
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insert t1 select x + 16, x + 16 from t1;
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insert t1 select x + 49, repeat(x + 49, 100) from t1;
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flush tables;
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# This produces wrong result before MDEV-17573
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select x, left(b, 10) from t1 where x > 30 and x < 60 order by b;
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x left(b, 10)
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31 31
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32 32
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50 5050505050
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51 5151515151
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52 5252525252
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53 5353535353
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54 5454545454
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55 5555555555
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56 5656565656
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57 5757575757
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58 5858585858
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59 5959595959
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drop table t1;
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connection slave;
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drop table t1_1, t1_2;
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connection master;
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DROP TABLE IF EXISTS federated.t1;
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DROP DATABASE IF EXISTS federated;
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connection slave;
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DROP TABLE IF EXISTS federated.t1;
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DROP DATABASE IF EXISTS federated;
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