SET session_timezone = 'UTC';

SELECT timestamp('2013-12-31');
SELECT timestamp('2013-12-31 12:00:00');
SELECT timestamp('2013-12-31 12:00:00.111111');
SELECT timestamp('2013-12-31 12:00:00.1111111'); -- ignore > 6 fractional parts
SELECT timestamp('2013-12-31 12:00:00', '12:01:02');
SELECT timestamp('2013-12-31 12:00:00', '12:01:02.1');
SELECT timestamp('2013-12-31 12:00:00', '12:01:02.11');
SELECT timestamp('2013-12-31 12:00:00', '12:01:02.111');
SELECT timestamp('2013-12-31 12:00:00', '12:01:02.1111');
SELECT timestamp('2013-12-31 12:00:00', '12:01:02.11111');
SELECT timestamp('2013-12-31 12:00:00', '12:01:02.111111');
SELECT timestamp('2013-12-31 12:00:00', '-12:01:02.111111');
SELECT timestamp('2013-12-31 12:00:00', '-1:01:02.111111');
SELECT timestamp('2013-12-31 12:00:00', '-100:01:02.111111');
SELECT timestamp('2013-12-31 12:00:00', '32767:01:02.111111');
SELECT timestamp('2013-12-31 12:00:00', '32768:01:02.111111'); -- roll over

SELECT timestamp(materialize('2013-12-31'));
SELECT timestamp(materialize('2013-12-31 12:00:00'), materialize('12:00:00'));

SELECT TIMESTAMP('2013-12-31');

SELECT timestamp(); -- { serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH }
SELECT timestamp('2013-12-31 12:00:00', '12:00:00', '');  -- { serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH }
SELECT timestamp(1); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }
SELECT timestamp(1, 2); -- { serverError ILLEGAL_TYPE_OF_ARGUMENT }