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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.
116 lines
2.2 KiB
Plaintext
116 lines
2.2 KiB
Plaintext
--source include/have_innodb.inc
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#
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# MDEV-10083: Orphan ibd file when playing with foreign keys
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#
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--disable_query_log
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SET @start_global_fpt = @@global.innodb_file_per_table;
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SET @start_global_fkc = @@global.foreign_key_checks;
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--enable_query_log
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set global innodb_file_per_table = 1;
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--disable_warnings
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drop table if exists b;
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drop database if exists bug_fk;
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--enable_warnings
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let $MYSQLD_DATADIR = `select @@datadir`;
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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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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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#
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# Note that column b has different type in parent table
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#
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--error 1005
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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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show warnings;
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DROP TABLE IF EXISTS 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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set foreign_key_checks = 1;
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show create table c;
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show create table d;
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#
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# Table c column b used on foreign key has different type
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# compared referenced column b in table b, but this
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# create still produced b.ibd file. This is because
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# we row_drop_table_for_mysql was called and referenced
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# table is not allowed to be dropped even in case
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# when actual create is not successfull.
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#
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--error 1005
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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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show warnings;
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--list_files $MYSQLD_DATADIR/bug_fk b*
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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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--list_files $MYSQLD_DATADIR/bug_fk b*
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create table b(id int) engine=innodb;
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show warnings;
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--list_files $MYSQLD_DATADIR/bug_fk b*
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#
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# Cleanup
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#
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--disable_query_log
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SET @@global.innodb_file_per_table = @start_global_fpt;
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SET @@global.foreign_key_checks = @start_global_fkc;
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--enable_query_log
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--disable_warnings
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drop table if exists b;
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drop database if exists bug_fk;
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--enable_warnings
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