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https://github.com/ClickHouse/ClickHouse.git
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78 lines
3.1 KiB
SQL
78 lines
3.1 KiB
SQL
SELECT bitmapToArray(bitmapBuild([1, 2, 3, 4, 5]));
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SELECT bitmapToArray(bitmapAnd(bitmapBuild([1,2,3]),bitmapBuild([3,4,5])));
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SELECT bitmapToArray(bitmapOr(bitmapBuild([1,2,3]),bitmapBuild([3,4,5])));
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SELECT bitmapToArray(bitmapXor(bitmapBuild([1,2,3]),bitmapBuild([3,4,5])));
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SELECT bitmapToArray(bitmapAndnot(bitmapBuild([1,2,3]),bitmapBuild([3,4,5])));
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SELECT bitmapCardinality(bitmapBuild([1, 2, 3, 4, 5]));
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SELECT bitmapAndCardinality(bitmapBuild([1,2,3]),bitmapBuild([3,4,5]));
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SELECT bitmapOrCardinality(bitmapBuild([1,2,3]),bitmapBuild([3,4,5]));
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SELECT bitmapXorCardinality(bitmapBuild([1,2,3]),bitmapBuild([3,4,5]));
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SELECT bitmapAndnotCardinality(bitmapBuild([1,2,3]),bitmapBuild([3,4,5]));
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DROP TABLE IF EXISTS test.bitmap_test;
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CREATE TABLE test.bitmap_test(pickup_date Date, city_id UInt32, uid UInt32)ENGINE = Memory;
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INSERT INTO test.bitmap_test SELECT '2019-01-01', 1, number FROM numbers(1,50);
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INSERT INTO test.bitmap_test SELECT '2019-01-02', 1, number FROM numbers(11,60);
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SELECT groupBitmap( uid ) AS user_num FROM test.bitmap_test;
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SELECT pickup_date, groupBitmap( uid ) AS user_num, bitmapToArray(groupBitmapState( uid )) AS users FROM test.bitmap_test GROUP BY pickup_date;
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SELECT
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bitmapCardinality(day_today) AS today_users,
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bitmapCardinality(day_before) AS before_users,
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bitmapOrCardinality(day_today, day_before) AS all_users,
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bitmapAndCardinality(day_today, day_before) AS old_users,
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bitmapAndnotCardinality(day_today, day_before) AS new_users,
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bitmapXorCardinality(day_today, day_before) AS diff_users
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FROM
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(
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SELECT city_id, groupBitmapState( uid ) AS day_today FROM test.bitmap_test WHERE pickup_date = '2019-01-02' GROUP BY city_id
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)
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ALL LEFT JOIN
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(
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SELECT city_id, groupBitmapState( uid ) AS day_before FROM test.bitmap_test WHERE pickup_date = '2019-01-01' GROUP BY city_id
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)
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USING city_id;
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SELECT
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bitmapCardinality(day_today) AS today_users,
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bitmapCardinality(day_before) AS before_users,
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bitmapCardinality(bitmapOr(day_today, day_before))ll_users,
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bitmapCardinality(bitmapAnd(day_today, day_before)) AS old_users,
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bitmapCardinality(bitmapAndnot(day_today, day_before)) AS new_users,
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bitmapCardinality(bitmapXor(day_today, day_before)) AS diff_users
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FROM
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(
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SELECT city_id, groupBitmapState( uid ) AS day_today FROM test.bitmap_test WHERE pickup_date = '2019-01-02' GROUP BY city_id
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)
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ALL LEFT JOIN
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(
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SELECT city_id, groupBitmapState( uid ) AS day_before FROM test.bitmap_test WHERE pickup_date = '2019-01-01' GROUP BY city_id
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)
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USING city_id;
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DROP TABLE IF EXISTS test.bitmap_state_test;
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CREATE TABLE test.bitmap_state_test
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(
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pickup_date Date,
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city_id UInt32,
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uv AggregateFunction( groupBitmap, UInt32 )
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)
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ENGINE = AggregatingMergeTree( pickup_date, ( pickup_date, city_id ), 8192);
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INSERT INTO test.bitmap_state_test SELECT
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pickup_date,
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city_id,
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groupBitmapState(uid) AS uv
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FROM test.bitmap_test
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GROUP BY pickup_date, city_id;
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SELECT pickup_date, groupBitmapMerge(uv) AS users from test.bitmap_state_test group by pickup_date;
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DROP TABLE IF EXISTS test.bitmap_test;
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DROP TABLE IF EXISTS test.bitmap_state_test;
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