--source include/have_innodb.inc --source include/default_charset.inc # # MDEV-10083: Orphan ibd file when playing with foreign keys # let $MYSQLD_DATADIR = `select @@datadir`; create database bug_fk; use bug_fk; CREATE TABLE b ( b int unsigned NOT NULL, d1 datetime NOT NULL, PRIMARY KEY (b,d1) ) ENGINE=InnoDB; CREATE TABLE c ( b int unsigned NOT NULL, d1 datetime NOT NULL, d2 datetime NOT NULL, PRIMARY KEY (b,d1), CONSTRAINT b_fk FOREIGN KEY (b) REFERENCES b (b) ) ENGINE=InnoDB; show warnings; set foreign_key_checks = 0; DROP TABLE IF EXISTS b; show create table c; # # Note that column b has different type in parent table # CREATE TABLE b ( b bigint unsigned NOT NULL, d1 date NOT NULL, PRIMARY KEY (b,d1) ) ENGINE=InnoDB; DROP TABLE b; set foreign_key_checks = 1; --error ER_CANT_CREATE_TABLE CREATE TABLE b ( b bigint unsigned NOT NULL, d1 date NOT NULL, PRIMARY KEY (b,d1) ) ENGINE=InnoDB; show warnings; set foreign_key_checks = 0; DROP TABLE IF EXISTS d; CREATE TABLE d ( b bigint unsigned NOT NULL, d1 date NOT NULL, PRIMARY KEY (b,d1), CONSTRAINT bd_fk FOREIGN KEY (b) REFERENCES b (b) ) ENGINE=InnoDB; show warnings; set foreign_key_checks = 1; show create table c; show create table d; # # Table c column b used on foreign key has different type # compared referenced column b in table b, but this # create still produced b.ibd file. This is because # we row_drop_table_for_mysql was called and referenced # table is not allowed to be dropped even in case # when actual create is not successfull. # --error 1005 CREATE TABLE b ( b bigint unsigned NOT NULL, d1 date NOT NULL, PRIMARY KEY (b,d1) ) ENGINE=InnoDB; show warnings; --list_files $MYSQLD_DATADIR/bug_fk b* set foreign_key_checks=0; drop table c; drop table d; --list_files $MYSQLD_DATADIR/bug_fk b* create table b(id int) engine=innodb; show warnings; --list_files $MYSQLD_DATADIR/bug_fk b* # # Cleanup # drop table b; drop database bug_fk;