--
-- MD5 message digest
--
SELECT digest('', 'md5');
ERROR:  Cannot use "md5": No such hash algorithm
SELECT digest('a', 'md5');
ERROR:  Cannot use "md5": No such hash algorithm
SELECT digest('abc', 'md5');
ERROR:  Cannot use "md5": No such hash algorithm
SELECT digest('message digest', 'md5');
ERROR:  Cannot use "md5": No such hash algorithm
SELECT digest('abcdefghijklmnopqrstuvwxyz', 'md5');
ERROR:  Cannot use "md5": No such hash algorithm
SELECT digest('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789', 'md5');
ERROR:  Cannot use "md5": No such hash algorithm
SELECT digest('12345678901234567890123456789012345678901234567890123456789012345678901234567890', 'md5');
ERROR:  Cannot use "md5": No such hash algorithm