--source include/have_innodb.inc

--echo # Create statement with FK on base column of stored column
--error ER_CANT_CREATE_TABLE
create table t1(f1 int, f2 int as(f1) stored,
		foreign key(f1) references t2(f1) on delete cascade)engine=innodb;

--echo # adding new stored column during alter table copy operation.
create table t1(f1 int primary key) engine=innodb;
create table t2(f1 int not null, f2 int as (f1) virtual,
		foreign key(f1) references t1(f1) on update cascade)engine=innodb;

# MySQL 5.7 would refuse this
#--error ER_ERROR_ON_RENAME
alter table t2 add column f3 int as (f1) stored, add column f4 int as (f1) virtual;
show create table t2;
drop table t2;

--echo # adding foreign key constraint for base columns during alter copy.
create table t2(f1 int not null, f2 int as (f1) stored) engine=innodb;
# MySQL 5.7 would refuse this
alter table t2 add foreign key(f1) references t1(f1) on update cascade, algorithm=copy;
show create table t2;
drop table t2;

--echo # adding foreign key constraint for base columns during online alter.
create table t2(f1 int not null, f2 int as (f1) stored) engine=innodb;
set foreign_key_checks = 0;
--error 138
alter table t2 add foreign key(f1) references t1(f1) on update cascade, algorithm=inplace;
drop table t2;

--echo # adding stored column via online alter.
create table t2(f1 int not null,
		foreign key(f1) references t1(f1) on update cascade)engine=innodb;
--error ER_ALTER_OPERATION_NOT_SUPPORTED
alter table t2 add column f2 int as (f1) stored, algorithm=inplace;
drop table t2, t1;

--echo #
--echo # BUG#26731689 FK ON TABLE WITH GENERATED COLS: ASSERTION POS < N_DEF
--echo #

CREATE TABLE s (a INT, b INT GENERATED ALWAYS AS (0) STORED,  c INT,
		d INT GENERATED ALWAYS AS (0) VIRTUAL, e INT) ENGINE=innodb;

CREATE TABLE t (a INT) ENGINE=innodb;

# This would fail. No corresponding index
--error ER_FK_NO_INDEX_PARENT
ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (e) REFERENCES t(a) ON UPDATE SET null;

ALTER  TABLE t ADD PRIMARY KEY(a);

ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (e) REFERENCES t(a) ON UPDATE SET null;

DROP TABLE s,t;

CREATE TABLE s (a INT GENERATED ALWAYS AS (0) VIRTUAL,
		b INT GENERATED ALWAYS AS (0) STORED,  c INT) ENGINE=innodb;

CREATE TABLE t (a INT) ENGINE=innodb;

# This would fail. No corresponding index
--error ER_FK_NO_INDEX_PARENT
ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (c) REFERENCES t(a) ON UPDATE SET null;

ALTER  TABLE t ADD PRIMARY KEY(a);

ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (c) REFERENCES t(a) ON UPDATE SET null;

DROP TABLE s,t;

CREATE TABLE s (a INT,  b INT GENERATED ALWAYS AS (0) STORED) ENGINE=innodb;

CREATE TABLE t (a INT PRIMARY KEY) ENGINE=innodb;

ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (a) REFERENCES t(a) ON UPDATE SET null;

DROP TABLE s,t;

CREATE TABLE s (a INT, b INT) ENGINE=innodb;

CREATE TABLE t (a INT) ENGINE=innodb;

# This would fail. No corresponding index
--error ER_FK_NO_INDEX_PARENT
ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (a) REFERENCES t(a) ON UPDATE SET null;

ALTER  TABLE t ADD PRIMARY KEY(a);

ALTER TABLE s ADD CONSTRAINT c FOREIGN KEY (a) REFERENCES t(a) ON UPDATE SET null;

DROP TABLE s,t;