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0e1f7f5c4a
The idea of the fix: reset state from previous query. row_upd_clust_step(): reset cached index before updating a clustered index Closes #1133
302 lines
9.6 KiB
Plaintext
302 lines
9.6 KiB
Plaintext
#################
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# Test RESTRICT #
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#################
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create table parent(
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id int unique key
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) engine innodb;
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create table child(
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parent_id int,
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sys_start SYS_DATATYPE as row start invisible,
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sys_end SYS_DATATYPE as row end invisible,
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period for system_time(sys_start, sys_end),
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foreign key(parent_id) references parent(id)
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on delete restrict
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on update restrict
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) engine innodb with system versioning;
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insert into parent values(1);
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insert into child values(1);
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delete from parent where id = 1;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`child`, CONSTRAINT `child_ibfk_1` FOREIGN KEY (`parent_id`) REFERENCES `parent` (`id`))
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delete from child where parent_id = 1;
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delete from parent where id = 1;
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insert into parent values(1);
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insert into child values(1);
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update parent set id=id+1;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`child`, CONSTRAINT `child_ibfk_1` FOREIGN KEY (`parent_id`) REFERENCES `parent` (`id`))
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delete from child;
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update parent set id=id+1;
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select * from child for system_time all;
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parent_id
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1
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1
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drop table child;
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drop table parent;
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##############################################
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# Test when clustered index is a foreign key #
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##############################################
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create table parent(
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id int(10) unsigned unique key
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) engine innodb;
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create table child(
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parent_id int(10) unsigned primary key,
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sys_start SYS_DATATYPE as row start invisible,
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sys_end SYS_DATATYPE as row end invisible,
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period for system_time(sys_start, sys_end),
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foreign key(parent_id) references parent(id)
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) engine innodb with system versioning;
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insert into parent values(1);
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insert into child values(1);
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delete from parent where id = 1;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`child`, CONSTRAINT `child_ibfk_1` FOREIGN KEY (`parent_id`) REFERENCES `parent` (`id`))
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drop table child;
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drop table parent;
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################
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# Test CASCADE #
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################
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create table parent(
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id int unique key
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) engine innodb;
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create table child(
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parent_id int,
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sys_start SYS_DATATYPE as row start invisible,
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sys_end SYS_DATATYPE as row end invisible,
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period for system_time(sys_start, sys_end),
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foreign key(parent_id) references parent(id)
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on delete cascade
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on update cascade
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) engine innodb with system versioning;
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insert into parent values(1);
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insert into child values(1);
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delete from parent where id = 1;
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select * from child;
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parent_id
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select * from child for system_time all;
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parent_id
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1
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insert into parent values(1);
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insert into child values(1);
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update parent set id = id + 1;
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select * from child;
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parent_id
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2
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select * from child for system_time all;
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parent_id
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1
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1
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2
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drop table child;
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drop table parent;
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create or replace table parent (
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id int primary key,
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sys_start SYS_DATATYPE as row start invisible,
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sys_end SYS_DATATYPE as row end invisible,
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period for system_time(sys_start, sys_end)
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) with system versioning
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engine innodb;
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create or replace table child (
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x int,
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parent_id int not null,
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constraint `parent-fk`
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foreign key (parent_id) references parent (id)
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on delete cascade
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on update restrict
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)
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engine innodb;
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insert into parent (id) values (2);
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insert into child (x, parent_id) values (2, 2);
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delete from parent;
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select * from child;
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x parent_id
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drop table child;
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drop table parent;
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create or replace table parent (
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id int primary key
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)
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engine innodb;
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create or replace table child (
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id int primary key,
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parent_id int not null,
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row_start SYS_DATATYPE as row start invisible,
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row_end SYS_DATATYPE as row end invisible,
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period for system_time(row_start, row_end),
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constraint `parent-fk`
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foreign key (parent_id) references parent (id)
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on delete cascade
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on update restrict
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) with system versioning
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engine innodb;
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insert into parent (id) values (3);
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insert into child (id, parent_id) values (3, 3);
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delete from parent;
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select * from child;
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id parent_id
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select *, check_row(row_start, row_end) from child for system_time all;
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id parent_id check_row(row_start, row_end)
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3 3 HISTORICAL ROW
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drop table child;
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drop table parent;
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#################
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# Test SET NULL #
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#################
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create or replace table parent(
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id int unique key
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) engine innodb;
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create or replace table child(
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parent_id int,
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sys_start SYS_DATATYPE as row start invisible,
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sys_end SYS_DATATYPE as row end invisible,
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period for system_time(sys_start, sys_end),
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foreign key(parent_id) references parent(id)
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on delete set null
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on update set null
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) engine innodb with system versioning;
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insert into parent values(1);
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insert into child values(1);
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delete from child;
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insert into child values(1);
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delete from parent where id = 1;
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select * from child;
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parent_id
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NULL
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select *, current_row(sys_end) as current_row from child for system_time all order by sys_end;
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parent_id current_row
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1 0
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1 0
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NULL 1
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delete from child;
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insert into parent values(1);
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insert into child values(1);
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update parent set id= id + 1;
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select * from child;
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parent_id
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NULL
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select *, current_row(sys_end) as current_row from child for system_time all order by sys_end;
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parent_id current_row
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1 0
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1 0
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NULL 0
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1 0
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NULL 1
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drop table child;
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drop table parent;
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###########################
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# Parent table is foreign #
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###########################
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create or replace table parent(
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id int unique key,
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sys_start SYS_DATATYPE as row start invisible,
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sys_end SYS_DATATYPE as row end invisible,
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period for system_time(sys_start, sys_end)
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) engine innodb with system versioning;
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create or replace table child(
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parent_id int,
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foreign key(parent_id) references parent(id)
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) engine innodb;
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insert into parent values(1);
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insert into child values(1);
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delete from parent;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`child`, CONSTRAINT `child_ibfk_1` FOREIGN KEY (`parent_id`) REFERENCES `parent` (`id`))
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update parent set id=2;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`child`, CONSTRAINT `child_ibfk_1` FOREIGN KEY (`parent_id`) REFERENCES `parent` (`id`))
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delete from child;
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delete from parent;
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insert into child values(1);
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ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`child`, CONSTRAINT `child_ibfk_1` FOREIGN KEY (`parent_id`) REFERENCES `parent` (`id`))
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insert into parent values(1);
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insert into child values(1);
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delete from parent;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`child`, CONSTRAINT `child_ibfk_1` FOREIGN KEY (`parent_id`) REFERENCES `parent` (`id`))
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update parent set id=2;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`child`, CONSTRAINT `child_ibfk_1` FOREIGN KEY (`parent_id`) REFERENCES `parent` (`id`))
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drop table child;
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drop table parent;
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###################
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# crash on DELETE #
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###################
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create or replace table a (
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cola int(10) primary key,
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v_cola int(10) as (cola mod 10) virtual,
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sys_start SYS_DATATYPE as row start invisible,
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sys_end SYS_DATATYPE as row end invisible,
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period for system_time(sys_start, sys_end)
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) engine=innodb with system versioning;
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create index v_cola on a (v_cola);
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create or replace table b(
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cola int(10),
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v_cola int(10),
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sys_start SYS_DATATYPE as row start invisible,
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sys_end SYS_DATATYPE as row end invisible,
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period for system_time(sys_start, sys_end)
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) engine=innodb with system versioning;
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alter table b add constraint `v_cola_fk`
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foreign key (v_cola) references a (v_cola);
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insert into a(cola) values (12);
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insert into b(cola, v_cola) values (10,2);
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delete from a;
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ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`b`, CONSTRAINT `v_cola_fk` FOREIGN KEY (`v_cola`) REFERENCES `a` (`v_cola`))
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drop table b, a;
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###############################################
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# CASCADE UPDATE foreign not system versioned #
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###############################################
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create or replace table parent (
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id smallint unsigned not null auto_increment,
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value int unsigned not null,
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primary key (id, value)
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) engine = innodb;
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create or replace table child (
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id mediumint unsigned not null auto_increment primary key,
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parent_id smallint unsigned not null,
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parent_value int unsigned not null,
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sys_start SYS_DATATYPE as row start invisible,
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sys_end SYS_DATATYPE as row end invisible,
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period for system_time(sys_start, sys_end),
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constraint `fk_child_parent`
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foreign key (parent_id, parent_value) references parent (id, value)
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on delete cascade
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on update cascade
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) engine = innodb with system versioning;
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create or replace table subchild (
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id int not null auto_increment primary key,
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parent_id smallint unsigned not null,
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parent_value int unsigned not null,
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constraint `fk_subchild_child_parent`
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foreign key (parent_id, parent_value) references child (parent_id, parent_value)
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on delete cascade
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on update cascade
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) engine=innodb;
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insert into parent (value) values (23);
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select id, value from parent into @id, @value;
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insert into child values (default, @id, @value);
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insert into subchild values (default, @id, @value);
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select parent_id from subchild;
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parent_id
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1
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update parent set id = 11, value = value + 1;
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select parent_id from subchild;
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parent_id
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11
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select * from child;
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id parent_id parent_value
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1 11 24
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delete from parent;
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select count(*) from child;
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count(*)
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0
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select * from child for system_time all;
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id parent_id parent_value
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1 1 23
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1 11 24
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select count(*) from subchild;
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count(*)
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0
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drop table subchild, child, parent;
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CREATE TABLE t1 (f1 INT, KEY(f1)) ENGINE=InnoDB;
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CREATE TABLE t2 (f2 INT, FOREIGN KEY (f2) REFERENCES t1 (f1)) ENGINE=InnoDB WITH SYSTEM VERSIONING;
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SET FOREIGN_KEY_CHECKS= OFF;
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INSERT IGNORE INTO t2 VALUES (1);
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SET FOREIGN_KEY_CHECKS= ON;
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UPDATE t2 SET f2= 2;
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ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`f2`) REFERENCES `t1` (`f1`))
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DELETE FROM t2;
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DROP TABLE t2, t1;
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