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8ce702aa90
row_purge_upd_exist_or_extern_func(): Check for node->vcol_op_failed() after row_purge_remove_sec_if_poss(), like row_purge_del_mark() did. This avoids us dereferencing the node->table=NULL pointer. The test case, submitted by Elena Stepanova, is not deterministic and does not repeat the bug on 10.2. With the added loop, for me, it reliably crashes 10.3 without the fix. I was unable to create a deterministic test case for either 10.2 or 10.3. Reviewed by Thirunarayanan Balathandayuthapani
163 lines
4.8 KiB
Plaintext
163 lines
4.8 KiB
Plaintext
SET @saved_frequency = @@GLOBAL.innodb_purge_rseg_truncate_frequency;
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SET GLOBAL innodb_purge_rseg_truncate_frequency = 1;
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#
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# Bug#21869656 UNDO LOG DOES NOT CONTAIN ENOUGH INFORMATION
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# ON INDEXED VIRTUAL COLUMNS
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#
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CREATE TABLE t1 (a INT, b INT,
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a1 INT GENERATED ALWAYS AS (a) VIRTUAL, INDEX(a1)
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) ENGINE=InnoDB;
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INSERT INTO t1 (a,b) VALUES(1,1);
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connect con1,localhost,root,,;
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CREATE TABLE t0 (a INT) ENGINE=InnoDB;
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BEGIN;
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SELECT * FROM t0;
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a
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connection default;
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UPDATE t1 SET a=0;
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ALTER TABLE t1 DROP COLUMN a1, ALGORITHM=INPLACE;
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ALTER TABLE t1 ADD COLUMN b1 INT GENERATED ALWAYS AS (b) VIRTUAL, ADD
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INDEX(b1),
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ALGORITHM=INPLACE;
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connection con1;
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COMMIT;
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UPDATE t1 SET a=1;
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connection default;
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InnoDB 0 transactions not purged
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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 b1 FROM t1;
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b1
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1
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ALTER TABLE t1
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ADD COLUMN a1 INT GENERATED ALWAYS AS (a) VIRTUAL,
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ADD COLUMN a2 INT GENERATED ALWAYS AS (a + b) VIRTUAL,
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ADD COLUMN a3 INT GENERATED ALWAYS AS (a - b) VIRTUAL,
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ADD COLUMN a4 INT GENERATED ALWAYS AS (a - b) VIRTUAL,
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ADD INDEX(a1), ADD INDEX(a2), ADD INDEX(a3), ALGORITHM=INPLACE;
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CREATE TABLE t2 (
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a BLOB,
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b BLOB,
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c BLOB GENERATED ALWAYS AS (CONCAT(a,b)) VIRTUAL,
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h VARCHAR(10) DEFAULT NULL
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) ENGINE=InnoDB;
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INSERT INTO t2 VALUES (REPEAT('g', 16000), REPEAT('x', 16000), DEFAULT, 'kk');
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INSERT INTO t2 VALUES (REPEAT('a', 16000), REPEAT('b', 16000), DEFAULT, 'mm');
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CREATE INDEX idx ON t2(c(100));
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INSERT INTO t1 (a, b) VALUES(1,1);
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connection con1;
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BEGIN;
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SELECT * FROM t0;
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a
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connection default;
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UPDATE t1 SET a=0;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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UPDATE t1 SET b=0;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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ALTER TABLE t1 DROP COLUMN a3, ALGORITHM=INPLACE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t1 SET a=2;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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ALTER TABLE t1 DROP COLUMN a2, ALGORITHM=INPLACE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t1 SET b=3;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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ALTER TABLE t1 ADD COLUMN b2 INT GENERATED ALWAYS AS (b) VIRTUAL,
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ADD INDEX(b2), ALGORITHM=INPLACE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t1 SET b=9;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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ALTER TABLE t1 ADD COLUMN b3 INT GENERATED ALWAYS AS (a) VIRTUAL,
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ADD INDEX(b3), ALGORITHM=INPLACE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t1 SET b=10;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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ALTER TABLE t2 DROP COLUMN c;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t2 SET a = REPEAT('s', 6000) WHERE a like 'aaa%';
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affected rows: 1
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info: Rows matched: 1 Changed: 1 Warnings: 0
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ALTER TABLE t2 ADD COLUMN x1 BLOB GENERATED ALWAYS AS (CONCAT(a,b)) VIRTUAL,
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ADD COLUMN x2 BLOB GENERATED ALWAYS AS (CONCAT(a,b)) VIRTUAL,
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ADD INDEX(x1(100), x2(120)), ADD INDEX (x1(20));
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t1 SET a=5;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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UPDATE t2 SET a = REPEAT('m', 16000) WHERE a like 'sss%';
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affected rows: 1
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info: Rows matched: 1 Changed: 1 Warnings: 0
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ALTER TABLE t1 DROP COLUMN b2, ALGORITHM=INPLACE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t1 SET a=6;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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ALTER TABLE t2 DROP COLUMN x1, DROP COLUMN x2, ALGORITHM=INPLACE;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t2 SET a = REPEAT('x', 1000) WHERE a like 'mmm%';
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affected rows: 1
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info: Rows matched: 1 Changed: 1 Warnings: 0
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ALTER TABLE t1 DROP INDEX b3;
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affected rows: 0
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info: Records: 0 Duplicates: 0 Warnings: 0
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UPDATE t1 SET a=100;
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affected rows: 2
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info: Rows matched: 2 Changed: 2 Warnings: 0
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connection con1;
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COMMIT;
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disconnect con1;
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connection default;
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InnoDB 0 transactions not purged
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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 b1 FROM t1;
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b1
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10
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10
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SELECT * FROM t1;
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a b b1 a1 a4 b3
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100 10 10 100 90 100
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100 10 10 100 90 100
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CHECK TABLE t2;
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Table Op Msg_type Msg_text
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test.t2 check status OK
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DROP TABLE t2, t1, t0;
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CREATE TABLE t1 (a VARCHAR(30), b INT, a2 VARCHAR(30) GENERATED ALWAYS AS (a) VIRTUAL);
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CREATE INDEX idx ON t1(a2(10), b, a2(20));
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ERROR 42S21: Duplicate column name 'a2'
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DROP TABLE t1;
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#
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# MDEV-17540 Server crashes in row_purge after TRUNCATE TABLE
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#
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CREATE TABLE t1 (a BIT(14)) ENGINE=InnoDB;
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INSERT INTO t1 VALUES
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(b'01110110101011'),(b'01100111111000'),(b'00001011110100'),
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(b'01110110111010'),(b'10001010101011'),(b'01100111001111');
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CREATE TABLE t2 (
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pk INT DEFAULT 1,
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b YEAR,
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c BIT(14),
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d YEAR AS (b),
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e BIT(14) AS (c),
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UNIQUE(pk),
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KEY(e)
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) ENGINE=InnoDB;
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DROP TABLE t1, t2;
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SET GLOBAL innodb_purge_rseg_truncate_frequency = @saved_frequency;
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