mirror of
https://github.com/MariaDB/server.git
synced 2025-04-26 11:49:09 +03:00
533 lines
12 KiB
Plaintext
533 lines
12 KiB
Plaintext
CREATE PROCEDURE populate_t1()
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BEGIN
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DECLARE i int DEFAULT 1;
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START TRANSACTION;
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WHILE (i <= 10000) DO
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INSERT INTO t1 VALUES (i, i, CONCAT('a', i));
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SET i = i + 1;
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END WHILE;
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COMMIT;
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END|
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CREATE TABLE t1(
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class INT,
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id INT,
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title VARCHAR(100)
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) ENGINE=InnoDB ROW_FORMAT=REDUNDANT;
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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10000
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CREATE INDEX idx_title ON t1(title);
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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RENAME TABLE t1 TO t0;
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# Test Blob
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CREATE TABLE t1(
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a INT PRIMARY KEY,
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b TEXT,
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c TEXT) ENGINE=InnoDB ROW_FORMAT=REDUNDANT;
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INSERT INTO t1 VALUES
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(1, REPEAT('a',10000), 'a'),
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(2, REPEAT('b',20000), 'b'),
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(3, REPEAT('c',40000), 'c'),
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(4, REPEAT('d',60000), 'd');
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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10000
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20000
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40000
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60000
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ALTER TABLE t1 DROP COLUMN c, FORCE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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CHECK TABLE t0,t1;
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Table Op Msg_type Msg_text
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test.t0 check status OK
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test.t1 check status OK
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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10000
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20000
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40000
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60000
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DROP TABLE t1;
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RENAME TABLE t0 to t1;
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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SELECT * FROM t1 WHERE title = 'a10';
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class id title
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10 10 a10
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SELECT * FROM t1 WHERE title = 'a5000';
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class id title
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5000 5000 a5000
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SELECT * FROM t1 WHERE title = 'a10000';
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class id title
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10000 10000 a10000
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SELECT * FROM t1 WHERE title = 'a10010';
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class id title
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DROP TABLE t1;
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CREATE TABLE t1(
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class INT,
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id INT,
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title VARCHAR(100)
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) ENGINE=InnoDB ROW_FORMAT=REDUNDANT;
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connect hang,localhost,root;
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SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever';
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CREATE INDEX idx_title ON t1(title);
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connection default;
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SET DEBUG_SYNC='now WAIT_FOR hung';
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disconnect hang;
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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10000
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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EXPLAIN SELECT * FROM t1 WHERE title = 'a10';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref idx_title idx_title 403 const 1 Using index condition
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SELECT * FROM t1 WHERE title = 'a10';
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class id title
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10 10 a10
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SELECT * FROM t1 WHERE title = 'a5000';
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class id title
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5000 5000 a5000
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SELECT * FROM t1 WHERE title = 'a10000';
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class id title
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10000 10000 a10000
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SELECT * FROM t1 WHERE title = 'a10010';
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class id title
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DROP TABLE t1;
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# Test Blob
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CREATE TABLE t1(
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a INT PRIMARY KEY,
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b TEXT,
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c TEXT) ENGINE=InnoDB ROW_FORMAT=REDUNDANT;
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INSERT INTO t1 VALUES
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(1, REPEAT('a',10000), 'a'),
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(2, REPEAT('b',20000), 'b'),
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(3, REPEAT('c',40000), 'c'),
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(4, REPEAT('d',60000), 'd');
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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10000
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20000
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40000
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60000
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connect hang,localhost,root;
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SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever';
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ALTER TABLE t1 DROP COLUMN c, FORCE;
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connection default;
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SET DEBUG_SYNC='now WAIT_FOR hung';
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disconnect hang;
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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10000
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20000
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40000
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60000
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DROP TABLE t1;
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DROP PROCEDURE populate_t1;
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CREATE PROCEDURE populate_t1()
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BEGIN
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DECLARE i int DEFAULT 1;
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START TRANSACTION;
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WHILE (i <= 10000) DO
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INSERT INTO t1 VALUES (i, i, CONCAT('a', i));
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SET i = i + 1;
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END WHILE;
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COMMIT;
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END|
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CREATE TABLE t1(
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class INT,
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id INT,
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title VARCHAR(100)
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) ENGINE=InnoDB ROW_FORMAT=COMPACT;
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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10000
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CREATE INDEX idx_title ON t1(title);
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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RENAME TABLE t1 TO t0;
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# Test Blob
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CREATE TABLE t1(
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a INT PRIMARY KEY,
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b TEXT,
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c TEXT) ENGINE=InnoDB ROW_FORMAT=COMPACT;
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INSERT INTO t1 VALUES
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(1, REPEAT('a',10000), 'a'),
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(2, REPEAT('b',20000), 'b'),
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(3, REPEAT('c',40000), 'c'),
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(4, REPEAT('d',60000), 'd');
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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10000
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20000
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40000
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60000
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ALTER TABLE t1 DROP COLUMN c, FORCE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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CHECK TABLE t0,t1;
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Table Op Msg_type Msg_text
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test.t0 check status OK
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test.t1 check status OK
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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10000
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20000
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40000
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60000
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DROP TABLE t1;
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RENAME TABLE t0 to t1;
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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SELECT * FROM t1 WHERE title = 'a10';
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class id title
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10 10 a10
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SELECT * FROM t1 WHERE title = 'a5000';
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class id title
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5000 5000 a5000
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SELECT * FROM t1 WHERE title = 'a10000';
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class id title
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10000 10000 a10000
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SELECT * FROM t1 WHERE title = 'a10010';
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class id title
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DROP TABLE t1;
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CREATE TABLE t1(
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class INT,
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id INT,
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title VARCHAR(100)
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) ENGINE=InnoDB ROW_FORMAT=COMPACT;
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connect hang,localhost,root;
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SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever';
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CREATE INDEX idx_title ON t1(title);
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connection default;
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SET DEBUG_SYNC='now WAIT_FOR hung';
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disconnect hang;
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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10000
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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EXPLAIN SELECT * FROM t1 WHERE title = 'a10';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref idx_title idx_title 403 const 1 Using index condition
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SELECT * FROM t1 WHERE title = 'a10';
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class id title
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10 10 a10
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SELECT * FROM t1 WHERE title = 'a5000';
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class id title
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5000 5000 a5000
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SELECT * FROM t1 WHERE title = 'a10000';
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class id title
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10000 10000 a10000
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SELECT * FROM t1 WHERE title = 'a10010';
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class id title
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DROP TABLE t1;
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# Test Blob
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CREATE TABLE t1(
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a INT PRIMARY KEY,
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b TEXT,
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c TEXT) ENGINE=InnoDB ROW_FORMAT=COMPACT;
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INSERT INTO t1 VALUES
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(1, REPEAT('a',10000), 'a'),
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(2, REPEAT('b',20000), 'b'),
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(3, REPEAT('c',40000), 'c'),
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(4, REPEAT('d',60000), 'd');
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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10000
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20000
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40000
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60000
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connect hang,localhost,root;
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SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever';
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ALTER TABLE t1 DROP COLUMN c, FORCE;
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connection default;
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SET DEBUG_SYNC='now WAIT_FOR hung';
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disconnect hang;
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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10000
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20000
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40000
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60000
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DROP TABLE t1;
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DROP PROCEDURE populate_t1;
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CREATE PROCEDURE populate_t1()
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BEGIN
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DECLARE i int DEFAULT 1;
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START TRANSACTION;
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WHILE (i <= 10000) DO
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INSERT INTO t1 VALUES (i, i, CONCAT('a', i));
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SET i = i + 1;
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END WHILE;
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COMMIT;
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END|
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CREATE TABLE t1(
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class INT,
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id INT,
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title VARCHAR(100)
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) ENGINE=InnoDB ROW_FORMAT=DYNAMIC;
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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10000
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CREATE INDEX idx_title ON t1(title);
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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RENAME TABLE t1 TO t0;
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# Test Blob
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CREATE TABLE t1(
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a INT PRIMARY KEY,
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b TEXT,
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c TEXT) ENGINE=InnoDB ROW_FORMAT=DYNAMIC;
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INSERT INTO t1 VALUES
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(1, REPEAT('a',10000), 'a'),
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(2, REPEAT('b',20000), 'b'),
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(3, REPEAT('c',40000), 'c'),
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(4, REPEAT('d',60000), 'd');
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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10000
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20000
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40000
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60000
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ALTER TABLE t1 DROP COLUMN c, FORCE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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CHECK TABLE t0,t1;
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Table Op Msg_type Msg_text
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test.t0 check status OK
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test.t1 check status OK
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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10000
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20000
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40000
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60000
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DROP TABLE t1;
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RENAME TABLE t0 to t1;
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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SELECT * FROM t1 WHERE title = 'a10';
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class id title
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10 10 a10
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SELECT * FROM t1 WHERE title = 'a5000';
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class id title
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5000 5000 a5000
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SELECT * FROM t1 WHERE title = 'a10000';
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class id title
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10000 10000 a10000
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SELECT * FROM t1 WHERE title = 'a10010';
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class id title
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DROP TABLE t1;
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CREATE TABLE t1(
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class INT,
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id INT,
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title VARCHAR(100)
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) ENGINE=InnoDB ROW_FORMAT=DYNAMIC;
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connect hang,localhost,root;
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SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever';
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CREATE INDEX idx_title ON t1(title);
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connection default;
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SET DEBUG_SYNC='now WAIT_FOR hung';
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disconnect hang;
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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10000
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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EXPLAIN SELECT * FROM t1 WHERE title = 'a10';
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 ref idx_title idx_title 403 const 1 Using index condition
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SELECT * FROM t1 WHERE title = 'a10';
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class id title
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10 10 a10
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SELECT * FROM t1 WHERE title = 'a5000';
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class id title
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5000 5000 a5000
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SELECT * FROM t1 WHERE title = 'a10000';
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class id title
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10000 10000 a10000
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SELECT * FROM t1 WHERE title = 'a10010';
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class id title
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DROP TABLE t1;
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# Test Blob
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CREATE TABLE t1(
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a INT PRIMARY KEY,
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b TEXT,
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c TEXT) ENGINE=InnoDB ROW_FORMAT=DYNAMIC;
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INSERT INTO t1 VALUES
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(1, REPEAT('a',10000), 'a'),
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(2, REPEAT('b',20000), 'b'),
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(3, REPEAT('c',40000), 'c'),
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(4, REPEAT('d',60000), 'd');
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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10000
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20000
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40000
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60000
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connect hang,localhost,root;
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SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever';
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ALTER TABLE t1 DROP COLUMN c, FORCE;
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connection default;
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SET DEBUG_SYNC='now WAIT_FOR hung';
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disconnect hang;
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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10000
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20000
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40000
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60000
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DROP TABLE t1;
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DROP PROCEDURE populate_t1;
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CREATE PROCEDURE populate_t1()
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BEGIN
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DECLARE i int DEFAULT 1;
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START TRANSACTION;
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WHILE (i <= 10000) DO
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INSERT INTO t1 VALUES (i, i, CONCAT('a', i));
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SET i = i + 1;
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END WHILE;
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COMMIT;
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END|
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CREATE TABLE t1(
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class INT,
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id INT,
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title VARCHAR(100)
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) ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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10000
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CREATE INDEX idx_title ON t1(title);
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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RENAME TABLE t1 TO t0;
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# Test Blob
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CREATE TABLE t1(
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a INT PRIMARY KEY,
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b TEXT,
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c TEXT) ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
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INSERT INTO t1 VALUES
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(1, REPEAT('a',10000), 'a'),
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(2, REPEAT('b',20000), 'b'),
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(3, REPEAT('c',40000), 'c'),
|
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(4, REPEAT('d',60000), 'd');
|
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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10000
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|
20000
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|
40000
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60000
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ALTER TABLE t1 DROP COLUMN c, FORCE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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CHECK TABLE t0,t1;
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Table Op Msg_type Msg_text
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test.t0 check status OK
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test.t1 check status OK
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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|
10000
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20000
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40000
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60000
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DROP TABLE t1;
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RENAME TABLE t0 to t1;
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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|
SELECT * FROM t1 WHERE title = 'a10';
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class id title
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10 10 a10
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|
SELECT * FROM t1 WHERE title = 'a5000';
|
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class id title
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|
5000 5000 a5000
|
|
SELECT * FROM t1 WHERE title = 'a10000';
|
|
class id title
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|
10000 10000 a10000
|
|
SELECT * FROM t1 WHERE title = 'a10010';
|
|
class id title
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DROP TABLE t1;
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|
CREATE TABLE t1(
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class INT,
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id INT,
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title VARCHAR(100)
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) ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
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connect hang,localhost,root;
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SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever';
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CREATE INDEX idx_title ON t1(title);
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connection default;
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SET DEBUG_SYNC='now WAIT_FOR hung';
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|
disconnect hang;
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|
SELECT COUNT(*) FROM t1;
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|
COUNT(*)
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10000
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CHECK TABLE t1;
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Table Op Msg_type Msg_text
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|
test.t1 check status OK
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|
EXPLAIN SELECT * FROM t1 WHERE title = 'a10';
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|
id select_type table type possible_keys key key_len ref rows Extra
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|
1 SIMPLE t1 ref idx_title idx_title 403 const 1 Using index condition
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SELECT * FROM t1 WHERE title = 'a10';
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class id title
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|
10 10 a10
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|
SELECT * FROM t1 WHERE title = 'a5000';
|
|
class id title
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|
5000 5000 a5000
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|
SELECT * FROM t1 WHERE title = 'a10000';
|
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class id title
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|
10000 10000 a10000
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SELECT * FROM t1 WHERE title = 'a10010';
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class id title
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DROP TABLE t1;
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# Test Blob
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CREATE TABLE t1(
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a INT PRIMARY KEY,
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b TEXT,
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c TEXT) ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4;
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|
INSERT INTO t1 VALUES
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(1, REPEAT('a',10000), 'a'),
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(2, REPEAT('b',20000), 'b'),
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(3, REPEAT('c',40000), 'c'),
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(4, REPEAT('d',60000), 'd');
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SELECT CHAR_LENGTH(b) FROM t1;
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CHAR_LENGTH(b)
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|
10000
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|
20000
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|
40000
|
|
60000
|
|
connect hang,localhost,root;
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|
SET DEBUG_SYNC='alter_table_inplace_trans_commit SIGNAL hung WAIT_FOR ever';
|
|
ALTER TABLE t1 DROP COLUMN c, FORCE;
|
|
connection default;
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SET DEBUG_SYNC='now WAIT_FOR hung';
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disconnect hang;
|
|
CHECK TABLE t1;
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|
Table Op Msg_type Msg_text
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|
test.t1 check status OK
|
|
SELECT CHAR_LENGTH(b) FROM t1;
|
|
CHAR_LENGTH(b)
|
|
10000
|
|
20000
|
|
40000
|
|
60000
|
|
DROP TABLE t1;
|
|
DROP PROCEDURE populate_t1;
|