[Saggie]

You could write

SELECT 'id'
UNION ALL
SELECT id FROM foo
INTO OUTFILE '/path/to/outfile' -- This message may have been cut off and the rest will only be shown to members. To become a member, click here --

[Saggie]

You could write

SELECT 'id'
UNION ALL
SELECT id FROM foo
INTO OUTFILE '/path/to/outfile' -- This message may have been cut off and the rest will only be shown to members. To become a member, click here --