--source include/have_innodb.inc
--source include/have_debug_sync.inc
# The embedded server does not support restarting.
--source include/not_embedded.inc
--source include/have_case_sensitive_file_system.inc

--echo #
--echo # Bug #20476395 DICT_LOAD_FOREIGNS() FAILED IN
--echo # COMMIT_INPLACE_ALTER_TABLE
--echo #

call mtr.add_suppression("InnoDB: Failed to load table");

CREATE DATABASE Bug;
CREATE TABLE Bug.parent(a SERIAL) ENGINE=INNODB;
CREATE TABLE Bug.child(a SERIAL, FOREIGN KEY f(a) REFERENCES Bug.parent(a))
ENGINE=INNODB;

create database bug;
use bug;

create table parent(a serial) engine=innodb;
create table child(a serial, foreign key fk (a) references parent(a))engine=innodb;

insert into parent values(1);
insert into child values(1);
drop database Bug;

connect (con1,localhost,root,,bug);
SET DEBUG_SYNC='innodb_rename_table_ready SIGNAL s1 WAIT_FOR s2 EXECUTE 2';
--send ALTER TABLE child ROW_FORMAT=DYNAMIC, ALGORITHM=COPY
connection default;
SET DEBUG_SYNC='now WAIT_FOR s1';
SET DEBUG_SYNC='now SIGNAL s2 WAIT_FOR s1';

--let $shutdown_timeout= 0
--source include/restart_mysqld.inc
disconnect con1;

show tables;
alter table parent row_format=dynamic;
select * from child;
--error ER_ROW_IS_REFERENCED_2
drop table parent;
drop table child;
drop table parent;
drop database bug;