1 files changed, 461 insertions, 0 deletions
diff --git a/mysql-test/suite/versioning/t/foreign.test b/mysql-test/suite/versioning/t/foreign.test
new file mode 100644
index 00000000000..7493f99cba7
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+++ b/mysql-test/suite/versioning/t/foreign.test
@@ -0,0 +1,461 @@
+--source suite/versioning/key_type.inc
+--source suite/versioning/common.inc
+
+--echo #################
+--echo # Test RESTRICT #
+--echo #################
+
+--replace_result "$KEY_TYPE" KEY_TYPE
+eval create table parent(
+  id int,
+  $KEY_TYPE (id)
+) 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 $sys_datatype_expl as row end invisible,
+  period for system_time(sys_start, sys_end),
+  foreign key(parent_id) references parent(id)
+    on delete restrict
+    on update restrict
+) engine innodb with system versioning;
+
+insert into parent values(1);
+insert into child values(1);
+
+-- error ER_ROW_IS_REFERENCED_2
+delete from parent where id = 1;
+delete from child where parent_id = 1;
+delete from parent where id = 1;
+
+insert into parent values(1);
+insert into child values(1);
+-- error ER_ROW_IS_REFERENCED_2
+update parent set id=id+1;
+delete from child;
+update parent set id=id+1;
+select * from child for system_time all;
+
+drop table child;
+drop table parent;
+
+--echo ##############################################
+--echo # Test when clustered index is a foreign key #
+--echo ##############################################
+
+--replace_result "$KEY_TYPE" KEY_TYPE
+eval create table parent(
+  id int(10) unsigned,
+  $KEY_TYPE (id)
+) 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 $sys_datatype_expl as row end invisible,
+  period for system_time(sys_start, sys_end),
+  foreign key(parent_id) references parent(id)
+) engine innodb with system versioning;
+
+insert into parent values(1);
+insert into child values(1);
+
+-- error ER_ROW_IS_REFERENCED_2
+delete from parent where id = 1;
+
+drop table child;
+drop table parent;
+
+--echo ################
+--echo # Test CASCADE #
+--echo ################
+
+--replace_result "$KEY_TYPE" KEY_TYPE
+eval create table parent(
+  id int,
+  $KEY_TYPE (id)
+) 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 $sys_datatype_expl SYS_DATATYPE "$KEY_TYPE" KEY_TYPE
+eval create or replace table parent (
+  id int,
+  $KEY_TYPE(id),
+  sys_start $sys_datatype_expl as row start invisible,
+  sys_end $sys_datatype_expl as row end invisible,
+  period for system_time(sys_start, sys_end)
+) with system versioning
+engine innodb;
+
+create or replace table child (
+  x int,
+  parent_id int not null,
+  constraint `parent-fk`
+  foreign key (parent_id) references parent (id)
+      on delete cascade
+      on update restrict
+)
+engine innodb;
+
+insert into parent (id) values (2);
+insert into child (x, parent_id) values (2, 2);
+delete from parent;
+select * from child;
+
+drop table child;
+drop table parent;
+
+--replace_result "$KEY_TYPE" KEY_TYPE
+eval create or replace table parent (
+  id int,
+  $KEY_TYPE(id)
+)
+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 $sys_datatype_expl as row end invisible,
+  period for system_time(row_start, row_end),
+  constraint `parent-fk`
+  foreign key (parent_id) references parent (id)
+      on delete cascade
+      on update restrict
+) with system versioning
+engine innodb;
+
+insert into parent (id) values (3);
+insert into child (id, parent_id) values (3, 3);
+delete from parent;
+select * from child;
+select *, check_row(row_start, row_end) from child for system_time all;
+
+drop table child;
+drop table parent;
+
+--echo #################
+--echo # Test SET NULL #
+--echo #################
+
+--replace_result "$KEY_TYPE" KEY_TYPE
+eval create table parent(
+  id int,
+  $KEY_TYPE (id)
+) 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 $sys_datatype_expl SYS_DATATYPE "$KEY_TYPE" KEY_TYPE
+eval create or replace table parent(
+  id int,
+  $KEY_TYPE (id),
+  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 $sys_datatype_expl SYS_DATATYPE "$KEY_TYPE" KEY_TYPE
+eval create or replace table a (
+  cola int(10),
+  $KEY_TYPE (cola),
+  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;
+
+--echo #
+--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
+--echo #
+create or replace table t1 (f1 int, key(f1)) engine=innodb;
+create or replace 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;
+
+--echo #
+--echo # MDEV-18879 Corrupted record inserted by FOREIGN KEY operation
+--echo #
+SET timestamp = 1;
+SET time_zone='+02:00';
+SELECT now();
+CREATE TABLE t1 (
+  pk INT UNSIGNED PRIMARY KEY,
+  f1 varchar(255)  CHARACTER SET ucs2,
+  f2 longtext CHARACTER SET ucs2,
+  f3 varchar(255),
+  f4 char(255),
+  f5 longtext CHARACTER SET ucs2,
+  f6 INT UNSIGNED,
+  f7 INT UNSIGNED,
+  f8 INT UNSIGNED,
+  f9 INT UNSIGNED,
+  f10 INT UNSIGNED,
+  f11 INT UNSIGNED,
+  f12 varchar(255) CHARACTER SET ucs2,
+  f13 char(255)  CHARACTER SET ucs2,
+  f14 char(255) CHARACTER SET ucs2,
+  f15 varchar(255),
+  f16 longtext,
+  f17 char(255)
+) ENGINE=InnoDB WITH SYSTEM VERSIONING;
+
+INSERT INTO t1 VALUES
+(1, 'a', 'e', 'f', 'a', 'generate', 1, 2, 3, 4, 5, 6, 'main', 'against', 'b', 'u', 'explode', 'tomorrow'),
+(2, REPEAT('a',127), 'f', 'k', 'game', 'g', 2, 3, 4, 5, 6, 7, REPEAT('o',222), 'oven', 'flower', REPEAT('r',120), 'l', 'g'),
+(3, 'weekly', 'x', 'v', 'r', 'c', 3, 4, 5, 6, 7, 8, 'validity', 'y', 'h', 'oxygen', 'venture', 'uncertainty'),
+(4, 'r', 't', REPEAT('b',153), 'modern', 'h', 4, 5, 6, 7, 8, 9, REPEAT('g',128), 'a', 'w', 'f', 'b', 'b'),
+(5, 'h', 'y', REPEAT('v',107), 'knife', 'profession', 5, 6, 7, 8, 9, 0, 'infection', 'u', 'likelihood', REPEAT('n',149), 'folk', 'd'),
+(6, 'g', 'violent', REPEAT('o',28), 'capital', 'p', 6, 7, 8, 9, 0, 1, 'w', 'patron', 'd', 'y', 'originally', 'k'),
+(7, 'k', 'uncomfortable', REPEAT('v',248), 'y', 'link', 7, 8, 9, 0, 1, 2, REPEAT('j',204), 'j', 'statute', 'emphasis', 'u', 'water'),
+(8, 'preparation', 'water', 'suck', 'silver', 'a', 8, 9, 0, 1, 2, 3, 'h', 'q', 'o', 't', 'k', 'y'),
+(9, 'y', 'f', 'e', 'a', 'dawn', 9, 0, 1, 2, 3, 4, 'peak', 'parking', 'b', 't', 'timber', 'c'),
+(10, REPEAT('h',78), 'apologize', 'direct', 'u', 'frankly', 0, 1, 2, 3, 4, 5, 'h', 'exhibit', 'f', 'd', 'effective', 'c'),
+(11, 'i', 'h', 'a', 'y', 'u', 1, 2, 3, 4, 5, 6, 'l', 'b', 'm', 'respond', 'ideological', 'credibility');
+
+CREATE TABLE t2 (
+  pk int primary key,
+  f char(255) CHARACTER SET ucs2,
+  key(f)
+) ENGINE=InnoDB;
+
+INSERT INTO t2 VALUES (1,'against'),(2,'q');
+
+SET SQL_MODE= '';
+SET timestamp = 2;
+SELECT * FROM t1 INTO OUTFILE 't1.data';
+SET timestamp = 3;
+UPDATE t1 SET f13 = 'q';
+SET timestamp = 4;
+LOAD DATA INFILE 't1.data' REPLACE INTO TABLE t1;
+SELECT * FROM t1 INTO OUTFILE 't1.data.2' ;
+SET timestamp = 5;
+LOAD DATA INFILE 't1.data.2' REPLACE INTO TABLE t1;
+SELECT * FROM t2 INTO OUTFILE 't2.data';
+SET timestamp = 6;
+LOAD DATA INFILE 't2.data' REPLACE INTO TABLE t2;
+SET FOREIGN_KEY_CHECKS = OFF;
+ALTER TABLE t1 ADD FOREIGN KEY (f13) REFERENCES t2 (f) ON DELETE SET NULL;
+SET timestamp = 7;
+LOAD DATA INFILE 't1.data' REPLACE INTO TABLE t1;
+SET FOREIGN_KEY_CHECKS = ON;
+
+SET SESSION SQL_MODE= 'NO_BACKSLASH_ESCAPES';
+SET timestamp = 8;
+LOAD DATA INFILE 't1.data' REPLACE INTO TABLE t1;
+SET timestamp = 9;
+REPLACE INTO t2 SELECT * FROM t2;
+
+# Cleanup
+DROP TABLE t1, t2;
+--let $datadir= `select @@datadir`
+--remove_file $datadir/test/t1.data
+--remove_file $datadir/test/t1.data.2
+--remove_file $datadir/test/t2.data
+
+--echo #
+--echo # MDEV-16210 FK constraints on versioned tables use historical rows, which may cause constraint violation
+--echo #
+create or replace table t1 (a int, key(a)) engine innodb with system versioning;
+create or replace table t2 (b int, foreign key (b) references t1(a)) engine innodb;
+insert into t1 values (1),(2);
+insert into t2 values (1);
+--echo # DELETE from referenced table is not allowed
+--error ER_ROW_IS_REFERENCED_2
+delete from t1 where a = 1;
+drop tables t2, t1;
+
+--echo #
+--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
+--echo #
+create or replace table t1 (x int primary key) engine innodb;
+create or replace table t2 (x int, foreign key (x) references t1(x)) engine innodb with system versioning;
+set foreign_key_checks= off;
+insert into t2 values (1), (1);
+set foreign_key_checks= on;
+--echo # DELETE from foreign table is allowed
+delete from t2;
+drop tables t2, t1;
+
+create or replace table t1 (a int, key(a)) engine innodb;
+insert into t1 values (1);
+create or replace table t2 (b int, foreign key (b) references t1(a)) engine innodb with system versioning;
+insert into t2 values (1), (1);
+--echo # DELETE from foreign table is allowed
+delete from t2;
+drop tables t2, t1;
+
+--source suite/versioning/common_finish.inc