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e56f6c585e
Timestamp-versioned row deletion was exposed to a collisional problem: if current timestamp wasn't changed, then a sequence of row delete+insert could get a duplication error. A row delete would find another conflicting history row and return an error. This is true both for REPLACE and DELETE statements, however in REPLACE, the "optimized" path is usually taken, especially in the tests. There, delete+insert is substituted for a single versioned row update. In the end, both paths end up as ha_update_row + ha_write_row. The solution is to handle a history collision somehow. From the design perspective, the user shouldn't experience history rows loss, unless there's a technical limitation. To the contrary, trxid-based changes should never generate history for the same transaction, see MDEV-15427. If two operations on the same row happened too quickly, so that they happen at the same timestamp, the history row shouldn't be lost. We can still write a history row, though it'll have row_start == row_end. We cannot store more than one such historical row, as this will violate the unique constraint on row_end. So we will have to phisically delete the row if the history row is already available. In this commit: 1. Improve TABLE::delete_row to handle the history collision: if an update results with a duplicate error, delete a row for real. 2. use TABLE::delete_row in a non-optimistic path of REPLACE, where the system-versioned case now belongs entirely.
624 lines
19 KiB
Text
624 lines
19 KiB
Text
--source suite/versioning/key_type.inc
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--source suite/versioning/common.inc
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--echo #################
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--echo # Test RESTRICT #
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--echo #################
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--replace_result "$KEY_TYPE" KEY_TYPE
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eval create table parent(
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id int,
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$KEY_TYPE (id)
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) engine innodb;
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--replace_result $sys_datatype_expl SYS_DATATYPE
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eval create table child(
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parent_id int,
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sys_start $sys_datatype_expl as row start invisible,
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sys_end $sys_datatype_expl 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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-- error ER_ROW_IS_REFERENCED_2
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delete from parent where id = 1;
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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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-- error ER_ROW_IS_REFERENCED_2
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update parent set id=id+1;
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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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drop table child;
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drop table parent;
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--echo ##############################################
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--echo # Test when clustered index is a foreign key #
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--echo ##############################################
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--replace_result "$KEY_TYPE" KEY_TYPE
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eval create table parent(
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id int(10) unsigned,
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$KEY_TYPE (id)
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) engine innodb;
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--replace_result $sys_datatype_expl SYS_DATATYPE
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eval create table child(
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parent_id int(10) unsigned primary key,
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sys_start $sys_datatype_expl as row start invisible,
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sys_end $sys_datatype_expl as row end invisible,
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period for system_time(sys_start, sys_end),
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foreign key(parent_id) references parent(id)
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) engine innodb with system versioning;
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insert into parent values(1);
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insert into child values(1);
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-- error ER_ROW_IS_REFERENCED_2
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delete from parent where id = 1;
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drop table child;
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drop table parent;
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--echo ################
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--echo # Test CASCADE #
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--echo ################
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--replace_result "$KEY_TYPE" KEY_TYPE
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eval create table parent(
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id int,
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$KEY_TYPE (id)
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) engine innodb;
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--replace_result $sys_datatype_expl SYS_DATATYPE
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eval create table child(
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parent_id int,
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sys_start $sys_datatype_expl as row start invisible,
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sys_end $sys_datatype_expl 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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select * from child for system_time all;
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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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select * from child for system_time all;
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drop table child;
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drop table parent;
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--replace_result $sys_datatype_expl SYS_DATATYPE "$KEY_TYPE" KEY_TYPE
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eval create or replace table parent (
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id int,
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$KEY_TYPE(id),
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sys_start $sys_datatype_expl as row start invisible,
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sys_end $sys_datatype_expl as row end invisible,
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period for system_time(sys_start, sys_end)
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) with system versioning
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engine innodb;
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create or replace table child (
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x int,
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parent_id int not null,
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constraint `parent-fk`
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foreign key (parent_id) references parent (id)
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on delete cascade
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on update restrict
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)
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engine innodb;
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insert into parent (id) values (2);
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insert into child (x, parent_id) values (2, 2);
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delete from parent;
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select * from child;
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drop table child;
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drop table parent;
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--replace_result "$KEY_TYPE" KEY_TYPE
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eval create or replace table parent (
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id int,
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$KEY_TYPE(id)
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)
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engine innodb;
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--replace_result $sys_datatype_expl SYS_DATATYPE
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eval 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_expl as row start invisible,
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row_end $sys_datatype_expl as row end invisible,
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period for system_time(row_start, row_end),
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constraint `parent-fk`
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foreign key (parent_id) references parent (id)
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on delete cascade
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on update restrict
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) with system versioning
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engine innodb;
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insert into parent (id) values (3);
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insert into child (id, parent_id) values (3, 3);
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delete from parent;
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select * from child;
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select *, check_row(row_start, row_end) from child for system_time all;
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drop table child;
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drop table parent;
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--echo #################
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--echo # Test SET NULL #
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--echo #################
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--replace_result "$KEY_TYPE" KEY_TYPE
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eval create table parent(
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id int,
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$KEY_TYPE (id)
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) engine innodb;
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--replace_result $sys_datatype_expl SYS_DATATYPE
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eval create or replace table child(
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parent_id int,
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sys_start $sys_datatype_expl as row start invisible,
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sys_end $sys_datatype_expl 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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select *, current_row(sys_end) as current_row from child for system_time all order by sys_end;
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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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select *, current_row(sys_end) as current_row from child for system_time all order by sys_end;
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drop table child;
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drop table parent;
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--echo ###########################
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--echo # Parent table is foreign #
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--echo ###########################
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--replace_result $sys_datatype_expl SYS_DATATYPE "$KEY_TYPE" KEY_TYPE
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eval create or replace table parent(
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id int,
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$KEY_TYPE (id),
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sys_start $sys_datatype_expl as row start invisible,
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sys_end $sys_datatype_expl 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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-- error ER_ROW_IS_REFERENCED_2
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delete from parent;
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-- error ER_ROW_IS_REFERENCED_2
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update parent set id=2;
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delete from child;
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delete from parent;
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-- error ER_NO_REFERENCED_ROW_2
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insert into child values(1);
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insert into parent values(1);
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insert into child values(1);
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-- error ER_ROW_IS_REFERENCED_2
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delete from parent;
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-- error ER_ROW_IS_REFERENCED_2
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update parent set id=2;
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drop table child;
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drop table parent;
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--echo ###################
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--echo # crash on DELETE #
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--echo ###################
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--replace_result $sys_datatype_expl SYS_DATATYPE "$KEY_TYPE" KEY_TYPE
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eval create or replace table a (
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cola int(10),
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$KEY_TYPE (cola),
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v_cola int(10) as (cola mod 10) virtual,
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sys_start $sys_datatype_expl as row start invisible,
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sys_end $sys_datatype_expl 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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--replace_result $sys_datatype_expl SYS_DATATYPE
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eval 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_expl as row start invisible,
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sys_end $sys_datatype_expl 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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--error ER_ROW_IS_REFERENCED_2
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delete from a;
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drop table b, a;
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--echo ###############################################
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--echo # CASCADE UPDATE foreign not system versioned #
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--echo ###############################################
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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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--replace_result $sys_datatype_expl SYS_DATATYPE
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eval 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_expl as row start invisible,
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sys_end $sys_datatype_expl 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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--disable_cursor_protocol
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--enable_prepare_warnings
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select id, value from parent into @id, @value;
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--disable_prepare_warnings
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--enable_cursor_protocol
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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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update parent set id = 11, value = value + 1;
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select parent_id from subchild;
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select * from child;
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delete from parent;
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select count(*) from child;
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select * from child for system_time all;
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select count(*) from subchild;
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drop table subchild, child, parent;
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--echo #
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--echo # MDEV-18057 Assertion `(node->state == 5) || (node->state == 6)' failed in row_upd_sec_step upon DELETE after UPDATE failed due to FK violation
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--echo #
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create or replace table t1 (f1 int, key(f1)) engine=innodb;
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create or replace 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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--error ER_NO_REFERENCED_ROW_2
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update t2 set f2= 2;
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delete from t2;
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drop table t2, t1;
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--echo #
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--echo # MDEV-18879 Corrupted record inserted by FOREIGN KEY operation
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--echo #
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SET timestamp = 1;
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SET time_zone='+02:00';
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SELECT now();
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CREATE TABLE t1 (
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pk INT UNSIGNED PRIMARY KEY,
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f1 varchar(255) CHARACTER SET ucs2,
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f2 longtext CHARACTER SET ucs2,
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f3 varchar(255),
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f4 char(255),
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f5 longtext CHARACTER SET ucs2,
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f6 INT UNSIGNED,
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f7 INT UNSIGNED,
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f8 INT UNSIGNED,
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f9 INT UNSIGNED,
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f10 INT UNSIGNED,
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f11 INT UNSIGNED,
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f12 varchar(255) CHARACTER SET ucs2,
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f13 char(255) CHARACTER SET ucs2,
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f14 char(255) CHARACTER SET ucs2,
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f15 varchar(255),
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f16 longtext,
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f17 char(255)
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) ENGINE=InnoDB WITH SYSTEM VERSIONING;
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INSERT INTO t1 VALUES
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(1, 'a', 'e', 'f', 'a', 'generate', 1, 2, 3, 4, 5, 6, 'main', 'against', 'b', 'u', 'explode', 'tomorrow'),
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(2, REPEAT('a',127), 'f', 'k', 'game', 'g', 2, 3, 4, 5, 6, 7, REPEAT('o',222), 'oven', 'flower', REPEAT('r',120), 'l', 'g'),
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(3, 'weekly', 'x', 'v', 'r', 'c', 3, 4, 5, 6, 7, 8, 'validity', 'y', 'h', 'oxygen', 'venture', 'uncertainty'),
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(4, 'r', 't', REPEAT('b',153), 'modern', 'h', 4, 5, 6, 7, 8, 9, REPEAT('g',128), 'a', 'w', 'f', 'b', 'b'),
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(5, 'h', 'y', REPEAT('v',107), 'knife', 'profession', 5, 6, 7, 8, 9, 0, 'infection', 'u', 'likelihood', REPEAT('n',149), 'folk', 'd'),
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(6, 'g', 'violent', REPEAT('o',28), 'capital', 'p', 6, 7, 8, 9, 0, 1, 'w', 'patron', 'd', 'y', 'originally', 'k'),
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(7, 'k', 'uncomfortable', REPEAT('v',248), 'y', 'link', 7, 8, 9, 0, 1, 2, REPEAT('j',204), 'j', 'statute', 'emphasis', 'u', 'water'),
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(8, 'preparation', 'water', 'suck', 'silver', 'a', 8, 9, 0, 1, 2, 3, 'h', 'q', 'o', 't', 'k', 'y'),
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(9, 'y', 'f', 'e', 'a', 'dawn', 9, 0, 1, 2, 3, 4, 'peak', 'parking', 'b', 't', 'timber', 'c'),
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(10, REPEAT('h',78), 'apologize', 'direct', 'u', 'frankly', 0, 1, 2, 3, 4, 5, 'h', 'exhibit', 'f', 'd', 'effective', 'c'),
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(11, 'i', 'h', 'a', 'y', 'u', 1, 2, 3, 4, 5, 6, 'l', 'b', 'm', 'respond', 'ideological', 'credibility');
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CREATE TABLE t2 (
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pk int primary key,
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f char(255) CHARACTER SET ucs2,
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key(f)
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) ENGINE=InnoDB;
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INSERT INTO t2 VALUES (1,'against'),(2,'q');
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SET SQL_MODE= '';
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SET timestamp = 2;
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SELECT * INTO OUTFILE 't1.data' FROM t1;
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SET timestamp = 3;
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UPDATE t1 SET f13 = 'q';
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SET timestamp = 4;
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LOAD DATA INFILE 't1.data' REPLACE INTO TABLE t1;
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SELECT * INTO OUTFILE 't1.data.2' FROM t1;
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SET timestamp = 5;
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LOAD DATA INFILE 't1.data.2' REPLACE INTO TABLE t1;
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SELECT * INTO OUTFILE 't2.data' FROM t2;
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SET timestamp = 6;
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LOAD DATA INFILE 't2.data' REPLACE INTO TABLE t2;
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SET FOREIGN_KEY_CHECKS = OFF;
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ALTER TABLE t1 ADD FOREIGN KEY (f13) REFERENCES t2 (f) ON DELETE SET NULL;
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SET timestamp = 7;
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LOAD DATA INFILE 't1.data' REPLACE INTO TABLE t1;
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SET FOREIGN_KEY_CHECKS = ON;
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SET SESSION SQL_MODE= 'NO_BACKSLASH_ESCAPES';
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SET timestamp = 8;
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--error ER_NO_REFERENCED_ROW_2
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LOAD DATA INFILE 't1.data' REPLACE INTO TABLE t1;
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SET timestamp = 9;
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REPLACE INTO t2 SELECT * FROM t2;
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# Cleanup
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DROP TABLE t1, t2;
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set timestamp= default;
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set time_zone='+00:00';
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--let $datadir= `select @@datadir`
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--remove_file $datadir/test/t1.data
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--remove_file $datadir/test/t1.data.2
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--remove_file $datadir/test/t2.data
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--echo #
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--echo # MDEV-16210 FK constraints on versioned tables use historical rows, which may cause constraint violation
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--echo #
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create or replace table t1 (a int, key(a)) engine innodb with system versioning;
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create or replace table t2 (b int, foreign key (b) references t1(a)) engine innodb;
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insert into t1 values (1),(2);
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insert into t2 values (1);
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--echo # DELETE from referenced table is not allowed
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--error ER_ROW_IS_REFERENCED_2
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delete from t1 where a = 1;
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drop tables t2, t1;
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--echo #
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--echo # MDEV-20812 Unexpected ER_ROW_IS_REFERENCED_2 or server crash in row_ins_foreign_report_err upon DELETE from versioned table with FK
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--echo #
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create or replace table t1 (x int primary key) engine innodb;
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create or replace table t2 (x int, foreign key (x) references t1(x)) engine innodb with system versioning;
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set foreign_key_checks= off;
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insert into t2 values (1), (1);
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set foreign_key_checks= on;
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--echo # DELETE from foreign table is allowed
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delete from t2;
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drop tables t2, t1;
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create or replace table t1 (a int, key(a)) engine innodb;
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insert into t1 values (1);
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create or replace table t2 (b int, foreign key (b) references t1(a)) engine innodb with system versioning;
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insert into t2 values (1), (1);
|
|
--echo # DELETE from foreign table is allowed
|
|
delete from t2;
|
|
drop tables t2, t1;
|
|
|
|
--echo #
|
|
--echo # MDEV-23644 Assertion on evaluating foreign referential action for self-reference in system versioned table
|
|
--echo #
|
|
create table t1 (pk int primary key, f1 int,f2 int, f3 text,
|
|
key(f1), fulltext(f3), key(f3(10)),
|
|
foreign key (f2) references t1 (f1) on delete set null
|
|
) engine=innodb with system versioning;
|
|
|
|
insert into t1 values (1, 8, 8, 'SHORT'), (2, 8, 8, repeat('LONG', 8071));
|
|
|
|
delete from t1;
|
|
select pk, f1, f2, left(f3, 4), check_row_ts(row_start, row_end) from t1 for system_time all order by pk;
|
|
|
|
# cleanup
|
|
drop table t1;
|
|
|
|
--echo # Shorter case for clustered index (MDEV-25004)
|
|
create table t1 (
|
|
y int primary key, r int, f int, key (r),
|
|
foreign key (f) references t1 (r) on delete set null)
|
|
with system versioning engine innodb;
|
|
|
|
insert into t1 values (1, 6, 6), (2, 6, 6);
|
|
delete from t1;
|
|
select *, check_row_ts(row_start, row_end) from t1 for system_time all;
|
|
drop tables t1;
|
|
|
|
--echo # Secondary unique index
|
|
create table t1 (
|
|
y int unique null, r int, f int, key (r),
|
|
foreign key (f) references t1 (r) on delete set null)
|
|
with system versioning engine innodb;
|
|
|
|
insert into t1 values (1, 6, 6), (2, 6, 6);
|
|
delete from t1;
|
|
select *, check_row_ts(row_start, row_end) from t1 for system_time all;
|
|
drop tables t1;
|
|
|
|
--echo # Non-unique index cannot be fixed because it does not trigger duplicate error
|
|
create table t1 (
|
|
y int, r int, f int, key (y), key (r),
|
|
foreign key (f) references t1 (r) on delete set null)
|
|
with system versioning engine innodb;
|
|
|
|
insert into t1 values (1, 6, 6), (2, 6, 6);
|
|
delete from t1;
|
|
select *, check_row_ts(row_start, row_end) from t1 for system_time all;
|
|
drop tables t1;
|
|
|
|
--echo #
|
|
--echo # MDEV-21555 Assertion secondary index is out of sync on delete from versioned table
|
|
--echo #
|
|
create table t1 (a int, b int as (a + 1) virtual, key(a)) engine=innodb with system versioning;
|
|
|
|
set foreign_key_checks= off;
|
|
insert into t1 (a) values (1), (2);
|
|
alter table t1 add foreign key (b) references t1 (a), algorithm=copy;
|
|
update t1 set a= null where a = 1;
|
|
delete from t1 where a is null;
|
|
set foreign_key_checks= on;
|
|
|
|
delete history from t1;
|
|
delete from t1;
|
|
|
|
# cleanup
|
|
drop table t1;
|
|
|
|
--echo #
|
|
--echo # MDEV-30378 Versioned REPLACE succeeds with ON DELETE RESTRICT
|
|
--echo # constraint
|
|
--echo #
|
|
create table t0 (pk integer primary key) with system versioning engine=innodb;
|
|
create table t1 (pk integer primary key,
|
|
foreign key(pk) references t0(pk)
|
|
on delete restrict on update cascade) engine=innodb;
|
|
create table t2 (pk integer);
|
|
|
|
insert into t0 (pk) values (1);
|
|
insert into t1 (pk) values (1);
|
|
insert into t2 (pk) values (1);
|
|
|
|
--error ER_ROW_IS_REFERENCED_2
|
|
delete from t0;
|
|
|
|
--error ER_ROW_IS_REFERENCED_2
|
|
replace t0 values (1);
|
|
|
|
select * into outfile 'load_t0' from t0 ;
|
|
--error ER_ROW_IS_REFERENCED_2
|
|
load data infile 'load_t0' replace into table t0;
|
|
|
|
--error ER_ROW_IS_REFERENCED_2
|
|
delete t0, t2 from t0 join t2;
|
|
|
|
select pk from t0;
|
|
|
|
--echo # Cleanup
|
|
drop table t1, t0, t2;
|
|
--let $datadir= `select @@datadir`
|
|
--remove_file $datadir/test/load_t0
|
|
|
|
|
|
--echo # create_select for a temporary table didn't set up pos_in_locked_tables.
|
|
create table t (a int unique) engine=innodb
|
|
replace select 1 as a, 2 as b union select 1 as a, 3 as c;
|
|
select * from t;
|
|
drop table t;
|
|
|
|
create temporary table t (a int unique) engine=innodb
|
|
replace select 1 as a, 2 as b union select 1 as a, 3 as c;
|
|
select * from t;
|
|
drop table t;
|
|
|
|
--echo #
|
|
--echo # MDEV-20729 Fix REFERENCES constraint in column definition
|
|
--echo #
|
|
create table t1(id int);
|
|
--echo # system fields can't be foreign keys:
|
|
--replace_result $sys_datatype_expl SYS_DATATYPE
|
|
--error ER_PARSE_ERROR,ER_PARSE_ERROR
|
|
eval create or replace table t2(
|
|
x int,
|
|
sys_start $sys_datatype_expl as row start references t1(id),
|
|
sys_end $sys_datatype_expl as row end,
|
|
period for system_time(sys_start, sys_end)
|
|
) engine innodb with system versioning;
|
|
--replace_result $sys_datatype_expl SYS_DATATYPE
|
|
--error ER_PARSE_ERROR,ER_PARSE_ERROR
|
|
eval create or replace table t2(
|
|
x int,
|
|
sys_start $sys_datatype_expl as row start,
|
|
sys_end $sys_datatype_expl as row end references t1(id),
|
|
period for system_time(sys_start, sys_end)
|
|
) engine innodb with system versioning;
|
|
--replace_result $sys_datatype_expl SYS_DATATYPE
|
|
--error ER_CANT_CREATE_TABLE
|
|
eval create or replace table t2(
|
|
x int,
|
|
sys_start $sys_datatype_expl as row start,
|
|
sys_end $sys_datatype_expl as row end,
|
|
period for system_time(sys_start, sys_end),
|
|
foreign key (sys_start) references t1(id)
|
|
) engine innodb with system versioning;
|
|
--replace_result $sys_datatype_expl SYS_DATATYPE
|
|
--error ER_CANT_CREATE_TABLE
|
|
eval create or replace table t2(
|
|
x int,
|
|
sys_start $sys_datatype_expl as row start,
|
|
sys_end $sys_datatype_expl as row end,
|
|
period for system_time(sys_start, sys_end),
|
|
foreign key (sys_end) references t1(id)
|
|
) engine innodb with system versioning;
|
|
drop table t1;
|
|
|
|
--echo # End of 10.5 tests
|
|
|
|
--source suite/versioning/common_finish.inc
|