postgresql7.1 update sec_session_properties set property_value = :value, secure_p = :secure, last_hit = :last_hit where session_id = :session_id and module = :module and property_name = :name insert into secret_tokens(token_id, token, token_timestamp) values(nextval('t_sec_security_token_id_seq'), :random_token, now()) select token_id, token from secret_tokens, (select cast(random() * count(*) - :num_tokens as integer) as first from secret_tokens) r where token_id >= r.first and r.first + :num_tokens > token_id