select @@ignore_db_dirs;
let $MYSQLD_DATADIR= `select @@datadir`;

mkdir $MYSQLD_DATADIR/.mysqlgui;
mkdir $MYSQLD_DATADIR/.otherdir;
mkdir $MYSQLD_DATADIR/lost+found;
mkdir $MYSQLD_DATADIR/ignored_db;
--echo # Check that SHOW DATABASES ignores all directories from
--echo # @@ignore_db_dirs and all directories with names starting
--echo # with '.'
SHOW DATABASES;
--error ER_WRONG_DB_NAME
USE ignored_db;
--error ER_WRONG_DB_NAME
SELECT * FROM ignored_db.t1;
--error ER_WRONG_DB_NAME
CALL ignored_db.p1();
SELECT COUNT(*) FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME='ignored_db';
--error ER_WRONG_DB_NAME
CREATE DATABASE ignored_db;
CREATE DATABASE `lost+found`;
USE `lost+found`;
CREATE TABLE t1(id INT);
INSERT INTO t1 VALUES (1), (2);
SELECT * FROM `lost+found`.t1;
SHOW DATABASES;
DROP DATABASE `lost+found`;
rmdir $MYSQLD_DATADIR/.mysqlgui;
rmdir $MYSQLD_DATADIR/.otherdir;
rmdir $MYSQLD_DATADIR/lost+found;
rmdir $MYSQLD_DATADIR/ignored_db;

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@global.ignore_db_dirs = 'aha';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@local.ignore_db_dirs = 'aha';
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@ignore_db_dirs = 'aha';
