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ef92aaf9ec
Analysis: row_drop_table_for_mysql did not allow dropping referenced table even in case when actual creating of the referenced table was not successfull if foreign_key_checks=1. Fix: Allow dropping referenced table even if foreign_key_checks=1 if actual table create returned error.
88 lines
2.2 KiB
Plaintext
88 lines
2.2 KiB
Plaintext
set global innodb_file_per_table = 1;
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drop table if exists b;
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drop database if exists bug_fk;
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create database bug_fk;
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use bug_fk;
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CREATE TABLE b (
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b int unsigned NOT NULL,
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d1 datetime NOT NULL,
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PRIMARY KEY (b,d1)
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) ENGINE=InnoDB;
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CREATE TABLE c (
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b int unsigned NOT NULL,
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d1 datetime NOT NULL,
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d2 datetime NOT NULL,
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PRIMARY KEY (b,d1),
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CONSTRAINT b_fk FOREIGN KEY (b) REFERENCES b (b)
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) ENGINE=InnoDB;
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show warnings;
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Level Code Message
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set foreign_key_checks = 0;
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DROP TABLE IF EXISTS b;
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show create table c;
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Table Create Table
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c CREATE TABLE `c` (
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`b` int(10) unsigned NOT NULL,
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`d1` datetime NOT NULL,
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`d2` datetime NOT NULL,
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PRIMARY KEY (`b`,`d1`),
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CONSTRAINT `b_fk` FOREIGN KEY (`b`) REFERENCES `b` (`b`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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CREATE TABLE b (
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b bigint unsigned NOT NULL,
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d1 date NOT NULL,
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PRIMARY KEY (b,d1)
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) ENGINE=InnoDB;
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ERROR HY000: Can't create table 'bug_fk.b' (errno: 150)
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show warnings;
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Level Code Message
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Error 1005 Can't create table 'bug_fk.b' (errno: 150)
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DROP TABLE IF EXISTS d;
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Warnings:
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Note 1051 Unknown table 'd'
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CREATE TABLE d (
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b bigint unsigned NOT NULL,
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d1 date NOT NULL,
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PRIMARY KEY (b,d1),
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CONSTRAINT bd_fk FOREIGN KEY (b) REFERENCES b (b)
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) ENGINE=InnoDB;
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show warnings;
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Level Code Message
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set foreign_key_checks = 1;
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show create table c;
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Table Create Table
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c CREATE TABLE `c` (
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`b` int(10) unsigned NOT NULL,
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`d1` datetime NOT NULL,
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`d2` datetime NOT NULL,
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PRIMARY KEY (`b`,`d1`),
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CONSTRAINT `b_fk` FOREIGN KEY (`b`) REFERENCES `b` (`b`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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show create table d;
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Table Create Table
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d CREATE TABLE `d` (
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`b` bigint(20) unsigned NOT NULL,
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`d1` date NOT NULL,
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PRIMARY KEY (`b`,`d1`),
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CONSTRAINT `bd_fk` FOREIGN KEY (`b`) REFERENCES `b` (`b`)
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) ENGINE=InnoDB DEFAULT CHARSET=latin1
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CREATE TABLE b (
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b bigint unsigned NOT NULL,
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d1 date NOT NULL,
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PRIMARY KEY (b,d1)
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) ENGINE=InnoDB;
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ERROR HY000: Can't create table 'bug_fk.b' (errno: 150)
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show warnings;
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Level Code Message
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Error 1005 Can't create table 'bug_fk.b' (errno: 150)
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set foreign_key_checks=0;
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drop table c;
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drop table d;
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create table b(id int) engine=innodb;
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show warnings;
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Level Code Message
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b.frm
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b.ibd
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drop table if exists b;
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drop database if exists bug_fk;
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