Adding other aggregation criteria

SELECT
    distance_type,
    COUNT(*)
FROM
    `tutorial-analytics`
GROUP BY                                -- CASE checks a list of conditions
    CASE                                -- and returns one of several possible
        WHEN trip_distance > 10         -- expressions or an expression with any operator
        THEN "long"                     -- that supports the expression in question. For example, you can use CASE
        ELSE "short"                    -- in SELECT expressions
    END AS distance_type                -- and with operators IN, WHERE, and ORDER BY.
                                        -- You can run GROUP BY
                                        -- for any expression.
                                        -- The result is available in SELECT
                                        -- via an alias specified using AS.