DROP TABLE IF EXISTS bitmap_test; CREATE TABLE bitmap_test(pickup_date Date, city_id UInt32, uid UInt64)ENGINE = Memory; INSERT INTO bitmap_test SELECT '2019-01-01', 1, 4294967295 + number FROM numbers(1,100); INSERT INTO bitmap_test SELECT '2019-01-02', 1, 4294967295 + number FROM numbers(90,110); INSERT INTO bitmap_test SELECT '2019-01-03', 2, 4294967295 + number FROM numbers(1,210); DROP TABLE IF EXISTS bitmap_state_test; CREATE TABLE bitmap_state_test ( pickup_date Date, city_id UInt32, uv AggregateFunction( groupBitmap, UInt64 ) ) ENGINE = AggregatingMergeTree() PARTITION BY toYYYYMM(pickup_date) ORDER BY (pickup_date, city_id); INSERT INTO bitmap_state_test SELECT pickup_date, city_id, groupBitmapState(uid) AS uv FROM bitmap_test GROUP BY pickup_date, city_id ORDER BY pickup_date, city_id; SELECT pickup_date, groupBitmapMerge(uv) AS users from bitmap_state_test group by pickup_date order by pickup_date; SELECT groupBitmap( uid ) AS user_num FROM bitmap_test; SELECT pickup_date, groupBitmap( uid ) AS user_num, bitmapToArray(groupBitmapState( uid )) AS users FROM bitmap_test GROUP BY pickup_date order by pickup_date; SELECT bitmapCardinality(day_today) AS today_users, bitmapCardinality(day_before) AS before_users, bitmapOrCardinality(day_today, day_before) AS all_users, bitmapAndCardinality(day_today, day_before) AS old_users, bitmapAndnotCardinality(day_today, day_before) AS new_users, bitmapXorCardinality(day_today, day_before) AS diff_users FROM ( SELECT city_id, groupBitmapState( uid ) AS day_today FROM bitmap_test WHERE pickup_date = '2019-01-02' GROUP BY city_id ORDER BY city_id ) js1 ALL LEFT JOIN ( SELECT city_id, groupBitmapState( uid ) AS day_before FROM bitmap_test WHERE pickup_date = '2019-01-01' GROUP BY city_id ORDER BY city_id ) js2 USING city_id; SELECT bitmapCardinality(day_today) AS today_users, bitmapCardinality(day_before) AS before_users, bitmapCardinality(bitmapOr(day_today, day_before))ll_users, bitmapCardinality(bitmapAnd(day_today, day_before)) AS old_users, bitmapCardinality(bitmapAndnot(day_today, day_before)) AS new_users, bitmapCardinality(bitmapXor(day_today, day_before)) AS diff_users FROM ( SELECT city_id, groupBitmapState( uid ) AS day_today FROM bitmap_test WHERE pickup_date = '2019-01-02' GROUP BY city_id ORDER BY city_id ) js1 ALL LEFT JOIN ( SELECT city_id, groupBitmapState( uid ) AS day_before FROM bitmap_test WHERE pickup_date = '2019-01-01' GROUP BY city_id ORDER BY city_id ) js2 USING city_id; SELECT count(*) FROM bitmap_test WHERE bitmapHasAny((SELECT groupBitmapState(uid) FROM bitmap_test WHERE pickup_date = '2019-01-01'), bitmapBuild([uid])); SELECT count(*) FROM bitmap_test WHERE bitmapHasAny(bitmapBuild([uid]), (SELECT groupBitmapState(uid) FROM bitmap_test WHERE pickup_date = '2019-01-01')); SELECT count(*) FROM bitmap_test WHERE 0 = bitmapHasAny((SELECT groupBitmapState(uid) FROM bitmap_test WHERE pickup_date = '2019-01-01'), bitmapBuild([uid])); SELECT bitmapToArray(bitmapAnd(groupBitmapState(uid), bitmapBuild(CAST([4294967296, 4294967297, 4294967298], 'Array(UInt64)')))) FROM bitmap_test GROUP BY city_id ORDER BY city_id; DROP TABLE bitmap_state_test; DROP TABLE bitmap_test;