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#
# BUG#22037930: INSERT IGNORE FAILS TO IGNORE
# FOREIGN KEY CONSTRAINT
# Setup.
CREATE TABLE t1 (fld1 INT PRIMARY KEY) ENGINE=INNODB;
CREATE TABLE t2 (fld2 INT, FOREIGN KEY (fld2) REFERENCES t1 (fld1))
ENGINE=INNODB;
INSERT INTO t1 VALUES(0);
INSERT INTO t2 VALUES(0);
# Without fix, an error is reported.
INSERT IGNORE INTO t2 VALUES(1);
Warnings:
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`))
UPDATE IGNORE t2 SET fld2=20 WHERE fld2=0;
UPDATE IGNORE t1 SET fld1=20 WHERE fld1=0;
# Test for multi update.
UPDATE IGNORE t1, t2 SET t2.fld2= t2.fld2 + 3;
UPDATE IGNORE t1, t2 SET t1.fld1= t1.fld1 + 3;
# Reports an error since IGNORE is not used.
INSERT INTO t2 VALUES(1);
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`))
UPDATE t2 SET fld2=20 WHERE fld2=0;
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`))
UPDATE t1 SET fld1=20 WHERE fld1=0;
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`))
UPDATE t1, t2 SET t2.fld2= t2.fld2 + 3;
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`))
UPDATE t1, t2 SET t1.fld1= t1.fld1 + 3;
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`))
DROP TABLE t2, t1;
#
# BUG#22037930: INSERT IGNORE FAILS TO IGNORE FOREIGN
# KEY CONSTRAINT
CREATE TABLE t1 (fld1 INT PRIMARY KEY) ENGINE= INNODB;
CREATE TABLE t2 (fld1 VARCHAR(10), fld2 INT NOT NULL,
CONSTRAINT fk FOREIGN KEY (fld2) REFERENCES t1(fld1)) ENGINE= INNODB;
# Without patch, reports incorrect error.
INSERT INTO t2 VALUES('abc', 2) ON DUPLICATE KEY UPDATE fld1= 'def';
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk` FOREIGN KEY (`fld2`) REFERENCES `t1` (`fld1`))
REPLACE INTO t2 VALUES('abc', 2);
ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk` FOREIGN KEY (`fld2`) REFERENCES `t1` (`fld1`))
INSERT IGNORE INTO t2 VALUES('abc', 2) ON DUPLICATE KEY UPDATE fld1= 'def';
Warnings:
Warning 1452 Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `fk` FOREIGN KEY (`fld2`) REFERENCES `t1` (`fld1`))
DROP TABLE t2, t1;
#
# MDEV-26433: assertion: table->get_ref_count() == 0 in dict0dict.cc
# line 1915
#
CREATE TEMPORARY TABLE v0 ( v1 TEXT ( 15 ) CHAR SET BINARY NOT NULL NOT NULL UNIQUE CHECK ( v1 ) ) REPLACE SELECT NULL AS v3 , 74 AS v2 ;
ERROR HY000: Field 'v1' doesn't have a default value
CREATE TEMPORARY TABLE t1 (i TEXT(15) NOT NULL DEFAULT '' UNIQUE CHECK (i)) engine=innodb
REPLACE SELECT NULL AS a;
ERROR 23000: CONSTRAINT `t1.i` failed for `test`.`t1`
#
# End of 10.5 tests
#
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