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131 lines
6.9 KiB
Text
131 lines
6.9 KiB
Text
#
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# MDEV-31086 MODIFY COLUMN can break FK constraints, and
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# lead to unrestorable dumps
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#
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CREATE TABLE t1(
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id SERIAL,
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msg VARCHAR(100) CHARACTER SET utf8mb3,
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KEY(msg))ENGINE=InnoDB;
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CREATE TABLE t2(
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id SERIAL,
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msg varchar(100) CHARACTER SET utf8mb4,
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CONSTRAINT fk_t1 FOREIGN KEY (msg) REFERENCES t1 (msg))ENGINE=InnoDB;
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ERROR HY000: Can't create table `test`.`t2` (errno: 150 "Foreign key constraint is incorrectly formed")
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CREATE TABLE t2(
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id SERIAL,
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msg varchar(100) CHARACTER SET utf8mb3,
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msg_1 varchar(100) CHARACTER SET utf8mb3,
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INDEX (msg_1),
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INDEX (msg),
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CONSTRAINT fk_t1 FOREIGN KEY (msg) REFERENCES t1 (msg)
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ON DELETE CASCADE)ENGINE=InnoDB;
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SET FOREIGN_KEY_CHECKS=1;
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ALTER TABLE t2 MODIFY COLUMN msg VARCHAR(200) character set utf8mb3, ALGORITHM=COPY;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'fk_t1'
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ALTER TABLE t2 MODIFY COLUMN msg VARCHAR(200) character set utf8mb3, ALGORITHM=INPLACE;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'test/fk_t1'
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SET FOREIGN_KEY_CHECKS=0;
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ALTER TABLE t2 MODIFY COLUMN msg VARCHAR(200) character set utf8mb3, ALGORITHM=COPY;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'fk_t1'
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ALTER TABLE t2 MODIFY COLUMN msg VARCHAR(400) character set utf8mb3, ALGORITHM=INPLACE;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'test/fk_t1'
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SET FOREIGN_KEY_CHECKS=1;
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ALTER TABLE t2 MODIFY COLUMN msg VARCHAR(100) CHARACTER SET utf8mb4, ALGORITHM=COPY;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'fk_t1'
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ALTER TABLE t2 MODIFY COLUMN msg VARCHAR(100) CHARACTER SET utf8mb4, ALGORITHM=INPLACE;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'test/fk_t1'
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SET FOREIGN_KEY_CHECKS=0;
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ALTER TABLE t2 MODIFY COLUMN msg VARCHAR(100) CHARACTER SET utf8mb4,ALGORITHM=COPY;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'fk_t1'
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ALTER TABLE t2 MODIFY COLUMN msg VARCHAR(100) CHARACTER SET utf8mb4,ALGORITHM=INPLACE;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'test/fk_t1'
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SET FOREIGN_KEY_CHECKS=1;
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ALTER TABLE t2 ADD CONSTRAINT FOREIGN KEY(msg_1) REFERENCES t1(msg),MODIFY COLUMN msg_1 VARCHAR(100) CHARACTER SET utf8mb4, ALGORITHM=COPY;
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ERROR HY000: Can't create table `test`.`t2` (errno: 150 "Foreign key constraint is incorrectly formed")
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ALTER TABLE t2 ADD CONSTRAINT FOREIGN KEY(msg_1) REFERENCES t1(msg),MODIFY COLUMN msg_1 VARCHAR(100) CHARACTER SET utf8mb4, ALGORITHM=INPLACE;
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ERROR 0A000: ALGORITHM=INPLACE is not supported. Reason: Adding foreign keys needs foreign_key_checks=OFF. Try ALGORITHM=COPY
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SET FOREIGN_KEY_CHECKS=0;
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ALTER TABLE t2 ADD CONSTRAINT FOREIGN KEY(msg_1) REFERENCES t1(msg),MODIFY COLUMN msg_1 VARCHAR(100) CHARACTER SET utf8mb4, ALGORITHM=COPY;
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ERROR HY000: Can't create table `test`.`t2` (errno: 150 "Foreign key constraint is incorrectly formed")
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ALTER TABLE t2 ADD CONSTRAINT FOREIGN KEY(msg_1) REFERENCES t1(msg),MODIFY COLUMN msg_1 VARCHAR(100) CHARACTER SET utf8mb4, ALGORITHM=INPLACE;
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ERROR HY000: Cannot change column 'msg_1': used in a foreign key constraint 'test/t2_ibfk_0'
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ALTER TABLE t2 ADD CONSTRAINT FOREIGN KEY(msg_1) REFERENCES t1(msg),MODIFY COLUMN msg_1 VARCHAR(200) CHARACTER SET utf8mb3, ALGORITHM=INPLACE;
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ERROR HY000: Cannot change column 'msg_1': used in a foreign key constraint 'test/t2_ibfk_0'
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SET FOREIGN_KEY_CHECKS=1;
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ALTER TABLE t1 MODIFY msg VARCHAR(200) CHARSET utf8mb3, ALGORITHM=COPY;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'fk_t1' of table 'test.t2'
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ALTER TABLE t1 MODIFY msg VARCHAR(200) CHARSET utf8mb3, ALGORITHM=INPLACE;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'test/fk_t1' of table 'test/t2'
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ALTER TABLE t1 MODIFY msg VARCHAR(200) CHARSET utf8mb4, ALGORITHM=COPY;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'fk_t1' of table 'test.t2'
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ALTER TABLE t1 MODIFY msg VARCHAR(200) CHARSET utf8mb4, ALGORITHM=INPLACE;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'test/fk_t1' of table 'test/t2'
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SET FOREIGN_KEY_CHECKS=0;
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ALTER TABLE t1 MODIFY msg VARCHAR(200) CHARSET utf8mb3, ALGORITHM=COPY;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'fk_t1' of table 'test.t2'
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ALTER TABLE t1 MODIFY msg VARCHAR(400) CHARSET utf8mb3, ALGORITHM=INPLACE;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'test/fk_t1' of table 'test/t2'
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ALTER TABLE t1 MODIFY msg VARCHAR(200) CHARSET utf8mb4, ALGORITHM=COPY;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'fk_t1' of table 'test.t2'
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ALTER TABLE t1 MODIFY msg VARCHAR(200) CHARSET utf8mb4, ALGORITHM=INPLACE;
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ERROR HY000: Cannot change column 'msg': used in a foreign key constraint 'test/fk_t1' of table 'test/t2'
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SET FOREIGN_KEY_CHECKS=0;
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ALTER TABLE t2 DROP FOREIGN KEY fk_t1, MODIFY msg VARCHAR(200) CHARSET utf8mb4, ALGORITHM=COPY;
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ALTER TABLE t1 MODIFY msg VARCHAR(200) CHARSET utf8mb4, ALGORITHM=COPY;
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ALTER TABLE t2 ADD CONSTRAINT FOREIGN KEY (msg) REFERENCES t1(msg), aLGORITHM=INPLACE;
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SET FOREIGN_KEY_CHECKS=1;
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DROP TABLE t2, t1;
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#
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# MDEV-31869 Server aborts when table does drop column
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#
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CREATE TABLE t (a VARCHAR(40), b INT, C INT) ENGINE=InnoDB;
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ALTER TABLE t MODIFY a VARCHAR(50), DROP b;
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DROP TABLE t;
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#
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# MDEV-32060 Server aborts when table doesn't
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# have referenced index
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#
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SET SESSION FOREIGN_KEY_CHECKS = OFF;
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CREATE TABLE t1 (a VARCHAR(16) KEY, FOREIGN KEY(a) REFERENCES t2(b)) ENGINE=InnoDB;
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CREATE TABLE t2 (b VARCHAR(8)) ENGINE=InnoDB;
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SET SESSION FOREIGN_KEY_CHECKS = ON;
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ALTER TABLE t2 MODIFY b VARCHAR(16), ADD KEY(b);
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DROP TABLE t1, t2;
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#
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# MDEV-32337 Assertion `pos < table->n_def' failed
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# in dict_table_get_nth_col
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#
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CREATE TABLE t (a INT, va INT AS (a), b INT, vb INT AS (b),
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c INT, vc INT AS (c), vf VARCHAR(16) AS (f),
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f VARCHAR(4)) ENGINE=InnoDB;
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ALTER TABLE t MODIFY f VARCHAR(8);
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ALTER TABLE t MODIFY vf VARCHAR(18);
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ERROR HY000: This is not yet supported for generated columns
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DROP TABLE t;
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#
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# MDEV-32527 Server aborts during alter operation
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# when table doesn't have foreign index
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#
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CREATE TABLE t1 (f1 INT NOT NULL, INDEX(f1)) ENGINE=InnoDB;
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CREATE TABLE t2(f1 INT NOT NULL, f2 VARCHAR(100) DEFAULT NULL,
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INDEX idx(f1, f2),
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FOREIGN KEY(f1) REFERENCES t1(f1))ENGINE=INNODB;
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SET SESSION FOREIGN_KEY_CHECKS = OFF;
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ALTER TABLE t2 DROP INDEX idx;
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ALTER TABLE t2 MODIFY f2 VARCHAR(1023);
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SET SESSION FOREIGN_KEY_CHECKS = ON;
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DROP TABLE t2, t1;
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#
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# MDEV-32638 MariaDB crashes with foreign_key_checks=0
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# when changing a column and adding a foreign
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# key at the same time
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#
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CREATE TABLE t1(f1 VARCHAR(2) NOT NULL, PRIMARY KEY(f1))ENGINE=InnoDB;
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CREATE TABLE t2(f1 INT NOT NULL PRIMARY KEY,
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f2 VARCHAR(10) NOT NULL DEFAULT '')ENGINE=InnoDB;
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SET SESSION FOREIGN_KEY_CHECKS = OFF;
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ALTER TABLE t2 CHANGE COLUMN f2 f3 VARCHAR(20) NOT NULL,
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ADD CONSTRAINT t2_fk FOREIGN KEY(f3) REFERENCES t1(f1);
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DROP TABLE t2, t1;
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SET SESSION FOREIGN_KEY_CHECKS = ON;
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# End of 10.4 tests
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