--source suite/versioning/common.inc --echo ################# --echo # Test RESTRICT # --echo ################# create table parent( id int unique key ) engine innodb; --replace_result $sys_datatype_expl SYS_DATATYPE eval create table child( parent_id int, sys_start $sys_datatype_expl as row start invisible, sys_end $sys_datatype_expl as row end invisible, period for system_time(sys_start, sys_end), foreign key(parent_id) references parent(id) on delete restrict on update restrict ) engine innodb with system versioning; insert into parent values(1); insert into child values(1); -- error ER_ROW_IS_REFERENCED_2 delete from parent where id = 1; delete from child where parent_id = 1; delete from parent where id = 1; insert into parent values(1); insert into child values(1); -- error ER_ROW_IS_REFERENCED_2 update parent set id=id+1; delete from child; update parent set id=id+1; select * from child for system_time all; drop table child; drop table parent; --echo ############################################## --echo # Test when clustered index is a foreign key # --echo ############################################## create table parent( id int(10) unsigned unique key ) engine innodb; --replace_result $sys_datatype_expl SYS_DATATYPE eval create table child( parent_id int(10) unsigned primary key, sys_start $sys_datatype_expl as row start invisible, sys_end $sys_datatype_expl as row end invisible, period for system_time(sys_start, sys_end), foreign key(parent_id) references parent(id) ) engine innodb with system versioning; insert into parent values(1); insert into child values(1); -- error ER_ROW_IS_REFERENCED_2 delete from parent where id = 1; drop table child; drop table parent; --echo ################ --echo # Test CASCADE # --echo ################ create table parent( id int unique key ) engine innodb; --replace_result $sys_datatype_expl SYS_DATATYPE eval create table child( parent_id int, sys_start $sys_datatype_expl as row start invisible, sys_end $sys_datatype_expl as row end invisible, period for system_time(sys_start, sys_end), foreign key(parent_id) references parent(id) on delete cascade on update cascade ) engine innodb with system versioning; insert into parent values(1); insert into child values(1); delete from parent where id = 1; select * from child; select * from child for system_time all; insert into parent values(1); insert into child values(1); update parent set id = id + 1; select * from child; select * from child for system_time all; drop table child; drop table parent; --replace_result $sys_datatype_expl SYS_DATATYPE eval create or replace table parent ( id int primary key, sys_start $sys_datatype_expl as row start invisible, sys_end $sys_datatype_expl as row end invisible, period for system_time(sys_start, sys_end) ) with system versioning engine innodb; create or replace table child ( x int, parent_id int not null, constraint `parent-fk` foreign key (parent_id) references parent (id) on delete cascade on update restrict ) engine innodb; insert into parent (id) values (2); insert into child (x, parent_id) values (2, 2); delete from parent; select * from child; drop table child; drop table parent; create or replace table parent ( id int primary key ) engine innodb; --replace_result $sys_datatype_expl SYS_DATATYPE eval create or replace table child ( id int primary key, parent_id int not null, row_start $sys_datatype_expl as row start invisible, row_end $sys_datatype_expl as row end invisible, period for system_time(row_start, row_end), constraint `parent-fk` foreign key (parent_id) references parent (id) on delete cascade on update restrict ) with system versioning engine innodb; insert into parent (id) values (3); insert into child (id, parent_id) values (3, 3); delete from parent; select * from child; select *, check_row(row_start, row_end) from child for system_time all; drop table child; drop table parent; --echo ################# --echo # Test SET NULL # --echo ################# create or replace table parent( id int unique key ) engine innodb; --replace_result $sys_datatype_expl SYS_DATATYPE eval create or replace table child( parent_id int, sys_start $sys_datatype_expl as row start invisible, sys_end $sys_datatype_expl as row end invisible, period for system_time(sys_start, sys_end), foreign key(parent_id) references parent(id) on delete set null on update set null ) engine innodb with system versioning; insert into parent values(1); insert into child values(1); delete from child; insert into child values(1); delete from parent where id = 1; select * from child; select *, current_row(sys_end) as current_row from child for system_time all order by sys_end; delete from child; insert into parent values(1); insert into child values(1); update parent set id= id + 1; select * from child; select *, current_row(sys_end) as current_row from child for system_time all order by sys_end; drop table child; drop table parent; --echo ########################### --echo # Parent table is foreign # --echo ########################### --replace_result $sys_datatype_expl SYS_DATATYPE eval create or replace table parent( id int unique key, sys_start $sys_datatype_expl as row start invisible, sys_end $sys_datatype_expl as row end invisible, period for system_time(sys_start, sys_end) ) engine innodb with system versioning; create or replace table child( parent_id int, foreign key(parent_id) references parent(id) ) engine innodb; insert into parent values(1); insert into child values(1); -- error ER_ROW_IS_REFERENCED_2 delete from parent; -- error ER_ROW_IS_REFERENCED_2 update parent set id=2; delete from child; delete from parent; -- error ER_NO_REFERENCED_ROW_2 insert into child values(1); insert into parent values(1); insert into child values(1); -- error ER_ROW_IS_REFERENCED_2 delete from parent; -- error ER_ROW_IS_REFERENCED_2 update parent set id=2; drop table child; drop table parent; --echo ################### --echo # crash on DELETE # --echo ################### --replace_result $sys_datatype_expl SYS_DATATYPE eval create or replace table a ( cola int(10) primary key, v_cola int(10) as (cola mod 10) virtual, sys_start $sys_datatype_expl as row start invisible, sys_end $sys_datatype_expl as row end invisible, period for system_time(sys_start, sys_end) ) engine=innodb with system versioning; create index v_cola on a (v_cola); --replace_result $sys_datatype_expl SYS_DATATYPE eval create or replace table b( cola int(10), v_cola int(10), sys_start $sys_datatype_expl as row start invisible, sys_end $sys_datatype_expl as row end invisible, period for system_time(sys_start, sys_end) ) engine=innodb with system versioning; alter table b add constraint `v_cola_fk` foreign key (v_cola) references a (v_cola); insert into a(cola) values (12); insert into b(cola, v_cola) values (10,2); --error ER_ROW_IS_REFERENCED_2 delete from a; drop table b, a; --echo ############################################### --echo # CASCADE UPDATE foreign not system versioned # --echo ############################################### create or replace table parent ( id smallint unsigned not null auto_increment, value int unsigned not null, primary key (id, value) ) engine = innodb; --replace_result $sys_datatype_expl SYS_DATATYPE eval create or replace table child ( id mediumint unsigned not null auto_increment primary key, parent_id smallint unsigned not null, parent_value int unsigned not null, sys_start $sys_datatype_expl as row start invisible, sys_end $sys_datatype_expl as row end invisible, period for system_time(sys_start, sys_end), constraint `fk_child_parent` foreign key (parent_id, parent_value) references parent (id, value) on delete cascade on update cascade ) engine = innodb with system versioning; create or replace table subchild ( id int not null auto_increment primary key, parent_id smallint unsigned not null, parent_value int unsigned not null, constraint `fk_subchild_child_parent` foreign key (parent_id, parent_value) references child (parent_id, parent_value) on delete cascade on update cascade ) engine=innodb; insert into parent (value) values (23); select id, value from parent into @id, @value; insert into child values (default, @id, @value); insert into subchild values (default, @id, @value); select parent_id from subchild; update parent set id = 11, value = value + 1; select parent_id from subchild; select * from child; delete from parent; select count(*) from child; select * from child for system_time all; select count(*) from subchild; drop table subchild, child, parent; CREATE TABLE t1 (f1 INT, KEY(f1)) ENGINE=InnoDB; CREATE TABLE t2 (f2 INT, FOREIGN KEY (f2) REFERENCES t1 (f1)) ENGINE=InnoDB WITH SYSTEM VERSIONING; SET FOREIGN_KEY_CHECKS= OFF; INSERT IGNORE INTO t2 VALUES (1); SET FOREIGN_KEY_CHECKS= ON; --error ER_NO_REFERENCED_ROW_2 UPDATE t2 SET f2= 2; DELETE FROM t2; DROP TABLE t2, t1; --source suite/versioning/common_finish.inc