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45 lines
1.3 KiB
Text
45 lines
1.3 KiB
Text
#
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# Bug mdev-3866: valgrind complain from ANALYZE on a table with BIT field
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#
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SET use_stat_tables = 'preferably';
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CREATE TABLE t1 (pk int PRIMARY KEY, a bit(1), INDEX idx(a)
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) ENGINE=MyISAM PARTITION BY KEY(pk) PARTITIONS 2;
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INSERT INTO t1 VALUES (1,1),(2,0),(3,0),(4,1);
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ANALYZE TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status Engine-independent statistics collected
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test.t1 analyze status OK
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DROP TABLE t1;
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#
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# MDEV-21472: ALTER TABLE ... ANALYZE PARTITION ... with EITS reads and locks all rows
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#
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CREATE TABLE t1 (
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id int(11) auto_increment primary key,
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c1 int(11) DEFAULT NULL
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) PARTITION BY RANGE (id) (
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PARTITION p0 VALUES LESS THAN (4),
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PARTITION p1 VALUES LESS THAN MAXVALUE
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);
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insert into t1(c1) values (1),(1),(1),(1), (1),(1),(1),(1);
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insert into t1(c1) select c1 from t1;
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insert into t1(c1) select c1 from t1;
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select count(*) from t1;
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count(*)
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32
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select count(*) from t1 where id <4;
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count(*)
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3
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flush status;
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set session use_stat_tables='preferably';
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# Must NOT show "Engine-independent statistics collected":
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alter table t1 analyze partition p0;
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Table Op Msg_type Msg_text
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test.t1 analyze status OK
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# Should not have Handler_read_rnd_next=34
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show session status like 'Handler_read_rnd%';
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Variable_name Value
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Handler_read_rnd 0
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Handler_read_rnd_deleted 0
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Handler_read_rnd_next 0
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drop table t1;
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SET use_stat_tables = DEFAULT;
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