ClickHouse/dbms/tests/queries/0_stateless/00829_bitmap_function.sql

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SELECT bitmapToArray(bitmapBuild([1, 2, 3, 4, 5]));
SELECT bitmapToArray(bitmapAnd(bitmapBuild([1,2,3]),bitmapBuild([3,4,5])));
SELECT bitmapToArray(bitmapOr(bitmapBuild([1,2,3]),bitmapBuild([3,4,5])));
SELECT bitmapToArray(bitmapXor(bitmapBuild([1,2,3]),bitmapBuild([3,4,5])));
SELECT bitmapToArray(bitmapAndnot(bitmapBuild([1,2,3]),bitmapBuild([3,4,5])));
SELECT bitmapCardinality(bitmapBuild([1, 2, 3, 4, 5]));
SELECT bitmapAndCardinality(bitmapBuild([1,2,3]),bitmapBuild([3,4,5]));
SELECT bitmapOrCardinality(bitmapBuild([1,2,3]),bitmapBuild([3,4,5]));
SELECT bitmapXorCardinality(bitmapBuild([1,2,3]),bitmapBuild([3,4,5]));
SELECT bitmapAndnotCardinality(bitmapBuild([1,2,3]),bitmapBuild([3,4,5]));
DROP TABLE IF EXISTS bitmap_test;
CREATE TABLE bitmap_test(pickup_date Date, city_id UInt32, uid UInt32)ENGINE = Memory;
INSERT INTO bitmap_test SELECT '2019-01-01', 1, number FROM numbers(1,50);
INSERT INTO bitmap_test SELECT '2019-01-02', 1, number FROM numbers(11,60);
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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;
SELECT
bitmapCardinality(day_today) AS today_users,
bitmapCardinality(day_before) AS before_users,
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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
)
ALL LEFT JOIN
(
SELECT city_id, groupBitmapState( uid ) AS day_before FROM bitmap_test WHERE pickup_date = '2019-01-01' GROUP BY city_id
)
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
)
ALL LEFT JOIN
(
SELECT city_id, groupBitmapState( uid ) AS day_before FROM bitmap_test WHERE pickup_date = '2019-01-01' GROUP BY city_id
)
USING city_id;
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DROP TABLE IF EXISTS bitmap_state_test;
CREATE TABLE bitmap_state_test
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(
pickup_date Date,
city_id UInt32,
uv AggregateFunction( groupBitmap, UInt32 )
)
ENGINE = AggregatingMergeTree( pickup_date, ( pickup_date, city_id ), 8192);
INSERT INTO bitmap_state_test SELECT
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pickup_date,
city_id,
groupBitmapState(uid) AS uv
FROM bitmap_test
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GROUP BY pickup_date, city_id;
SELECT pickup_date, groupBitmapMerge(uv) AS users from bitmap_state_test group by pickup_date;
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DROP TABLE IF EXISTS bitmap_test;
DROP TABLE IF EXISTS bitmap_state_test;
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