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Bug #18412598  UNCLEAN SYSTEM SHUTDOWN RECOVERY FAILS
FOR SCHEMA WITH CAPITAL LETTERS
create database MYDB;
USE MYDB;
CREATE TABLE mytable (id int primary key) ENGINE=innodb;
CREATE TABLE FOO (id int,constraint FOREIGN KEY (id) REFERENCES mytable(id) ON DELETE CASCADE) ENGINE=innodb;
CREATE TABLE mytable_ref (id int,constraint FOREIGN KEY (id) REFERENCES FOO(id) ON DELETE CASCADE) ENGINE=innodb;
INSERT INTO mytable VALUES (10),(20),(30),(40);
INSERT INTO FOO VALUES (20),(10);
INSERT INTO mytable_ref VALUES (20),(10);
SHOW VARIABLES LIKE 'innodb_fast_shutdown';
Variable_name	Value
innodb_fast_shutdown	2
START TRANSACTION;
INSERT INTO mytable VALUES (50);
INSERT INTO FOO VALUES (50);
INSERT INTO mytable_ref VALUES (50);
# Restart the server. This will go into crash recovery mode
USE MYDB;
SELECT * FROM mytable;
id
10
20
30
40
SELECT * FROM FOO;
id
10
20
SELECT * FROM mytable_ref;
id
10
20
DELETE FROM mytable WHERE id =10;
SELECT * FROM FOO;
id
20
SELECT * FROM mytable_ref;
id
20
CREATE TABLE MYtable (id int) ENGINE=innodb;
ERROR 42S01: Table 'mytable' already exists
CREATE TABLE Foo (id int) ENGINE=innodb;
ERROR 42S01: Table 'foo' already exists
DROP TABLE mytable_ref,FOO;
DROP TABLE mytable;
use test;
DROP DATABASE MYDB;