ClickHouse/dbms/tests/queries/1_stateful/00045_uniq_upto.sql
2018-08-07 20:08:51 +03:00

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SQL

SELECT RegionID, uniqExact(UserID) AS u1, uniqUpTo(10)(UserID) AS u2 FROM test.visits GROUP BY RegionID HAVING u1 <= 11 AND u1 != u2