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

mkdir $MYSQLD_DATADIR/.mysqlgui;
mkdir $MYSQLD_DATADIR/.otherdir;
mkdir $MYSQLD_DATADIR/lost+found;
--echo # Check that SHOW DATABASES ignores all directories from
--echo # @@ignore_db_dirs and all directories with names starting
--echo # with '.'
SHOW DATABASES;
rmdir $MYSQLD_DATADIR/.mysqlgui;
rmdir $MYSQLD_DATADIR/.otherdir;
rmdir $MYSQLD_DATADIR/lost+found;

--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';