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MDEV-34756 Validation of new foreign key skipped if innodb_alter_copy_bulk=ON

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- During copy algorithm, InnoDB should disable bulk insert
operation if the table has foreign key relation and foreign key
check is enabled.
This commit is contained in:
Thirunarayanan Balathandayuthapani
2024-08-21 18:58:20 +05:30
parent 70afc62750
commit 22b48bb393
3 changed files with 59 additions and 1 deletions
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27
mysql-test/suite/innodb/r/alter_copy_bulk.result
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@ -22,3 +22,30 @@ ALTER TABLE t1 FORCE;
INSERT INTO t1 SELECT seq, seq * 2 FROM seq_3_to_65536;
ALTER TABLE t1 ADD INDEX(f2);
DROP TABLE t1;
#
# MDEV-34756 Validation of new foreign key skipped
# if innodb_alter_copy_bulk=ON
#
CREATE TABLE t1(f1 INT NOT NULL PRIMARY KEY,
f2 INT NOT NULL)ENGINE=InnoDB;
CREATE TABLE t2(f1 INT NOT NULL PRIMARY KEY,
f2 INT NOT NULL)ENGINE=InnoDB;
ALTER TABLE t2 ADD CONSTRAINT FOREIGN KEY(f1) REFERENCES t1(f1);
affected rows: 0
info: Records: 0 Duplicates: 0 Warnings: 0
INSERT INTO t1 VALUES (1, 1);
INSERT INTO t2 VALUES (1, 2);
ALTER TABLE t2 ADD CONSTRAINT FOREIGN KEY(f2) REFERENCES t1(f1);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`#sql-alter`, CONSTRAINT `#sql-alter_ibfk_2` FOREIGN KEY (`f2`) REFERENCES `t1` (`f1`))
INSERT INTO t1 VALUES(3, 1);
SET STATEMENT foreign_key_checks=0 FOR
ALTER TABLE t2 ADD CONSTRAINT FOREIGN KEY(f2) REFERENCES t1(f1);
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
ALTER TABLE t1 FORCE;
affected rows: 2
info: Records: 2 Duplicates: 0 Warnings: 0
ALTER TABLE t2 FORCE;
affected rows: 1
info: Records: 1 Duplicates: 0 Warnings: 0
DROP TABLE t2, t1;