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46 lines
2.7 KiB
Plaintext
46 lines
2.7 KiB
Plaintext
#
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# BUG#22037930: INSERT IGNORE FAILS TO IGNORE
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# FOREIGN KEY CONSTRAINT
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# Setup.
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CREATE TABLE t1 (fld1 INT PRIMARY KEY) ENGINE=INNODB;
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CREATE TABLE t2 (fld2 INT, FOREIGN KEY (fld2) REFERENCES t1 (fld1))
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ENGINE=INNODB;
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INSERT INTO t1 VALUES(0);
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INSERT INTO t2 VALUES(0);
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# Without fix, an error is reported.
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INSERT IGNORE INTO t2 VALUES(1);
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Warnings:
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Warning 1452 Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`fld2`) REFERENCES `t1` (`fld1`))
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UPDATE IGNORE t2 SET fld2=20 WHERE fld2=0;
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UPDATE IGNORE t1 SET fld1=20 WHERE fld1=0;
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# Test for multi update.
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UPDATE IGNORE t1, t2 SET t2.fld2= t2.fld2 + 3;
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UPDATE IGNORE t1, t2 SET t1.fld1= t1.fld1 + 3;
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# Reports an error since IGNORE is not used.
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INSERT INTO t2 VALUES(1);
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ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`fld2`) REFERENCES `t1` (`fld1`))
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UPDATE t2 SET fld2=20 WHERE fld2=0;
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ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`fld2`) REFERENCES `t1` (`fld1`))
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UPDATE t1 SET fld1=20 WHERE fld1=0;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`fld2`) REFERENCES `t1` (`fld1`))
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UPDATE t1, t2 SET t2.fld2= t2.fld2 + 3;
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ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`fld2`) REFERENCES `t1` (`fld1`))
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UPDATE t1, t2 SET t1.fld1= t1.fld1 + 3;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`fld2`) REFERENCES `t1` (`fld1`))
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DROP TABLE t2, t1;
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#
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# BUG#22037930: INSERT IGNORE FAILS TO IGNORE FOREIGN
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# KEY CONSTRAINT
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CREATE TABLE t1 (fld1 INT PRIMARY KEY) ENGINE= INNODB;
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CREATE TABLE t2 (fld1 VARCHAR(10), fld2 INT NOT NULL,
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CONSTRAINT fk FOREIGN KEY (fld2) REFERENCES t1(fld1)) ENGINE= INNODB;
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# Without patch, reports incorrect error.
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INSERT INTO t2 VALUES('abc', 2) ON DUPLICATE KEY UPDATE fld1= 'def';
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ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk` FOREIGN KEY (`fld2`) REFERENCES `t1` (`fld1`))
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REPLACE INTO t2 VALUES('abc', 2);
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ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk` FOREIGN KEY (`fld2`) REFERENCES `t1` (`fld1`))
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INSERT IGNORE INTO t2 VALUES('abc', 2) ON DUPLICATE KEY UPDATE fld1= 'def';
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Warnings:
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Warning 1452 Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk` FOREIGN KEY (`fld2`) REFERENCES `t1` (`fld1`))
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DROP TABLE t2, t1;
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