Version 1.8
SELECT * FROM Sessionize_MLE ( ON { table | view | (query) } PARTITION BY expression [,...] ORDER BY order_column [,...] USING TimeColumn ('timestamp_column') TimeOut (session_timeout) [ ClickLag (min_human_click_lag) ] [ EmitNull ({'true'|'t'|'yes'|'y'|'1'|'false'|'f'|'no'|'n'|'0'})] [ Accumulate ({ 'accumulate_column' | accumulate_column_range }[,...]) ] ) AS alias;