DROP TABLE IF EXISTS tMM DROP TABLE IF EXISTS tDD DROP TABLE IF EXISTS sDD DROP TABLE IF EXISTS xMM CREATE TABLE tMM(d DateTime,a Int64) ENGINE = MergeTree PARTITION BY toYYYYMM(d) ORDER BY tuple() SYSTEM STOP MERGES tMM; INSERT INTO tMM SELECT toDateTime('2020-08-16 00:00:00') + number*60, number FROM numbers(5000) INSERT INTO tMM SELECT toDateTime('2020-08-16 00:00:00') + number*60, number FROM numbers(5000) INSERT INTO tMM SELECT toDateTime('2020-09-01 00:00:00') + number*60, number FROM numbers(5000) INSERT INTO tMM SELECT toDateTime('2020-09-01 00:00:00') + number*60, number FROM numbers(5000) INSERT INTO tMM SELECT toDateTime('2020-10-01 00:00:00') + number*60, number FROM numbers(5000) INSERT INTO tMM SELECT toDateTime('2020-10-15 00:00:00') + number*60, number FROM numbers(5000) CREATE TABLE tDD(d DateTime,a Int) ENGINE = MergeTree PARTITION BY toYYYYMMDD(d) ORDER BY tuple() SYSTEM STOP MERGES tDD; insert into tDD select toDateTime(toDate('2020-09-23')), number from numbers(10000) UNION ALL select toDateTime(toDateTime('2020-09-23 11:00:00')), number from numbers(10000) UNION ALL select toDateTime(toDate('2020-09-24')), number from numbers(10000) UNION ALL select toDateTime(toDate('2020-09-25')), number from numbers(10000) UNION ALL select toDateTime(toDate('2020-08-15')), number from numbers(10000); CREATE TABLE sDD(d UInt64,a Int) ENGINE = MergeTree PARTITION BY toYYYYMM(toDate(intDiv(d,1000))) ORDER BY tuple() SYSTEM STOP MERGES sDD; insert into sDD select (1597536000+number*60)*1000, number from numbers(5000); insert into sDD select (1597536000+number*60)*1000, number from numbers(5000); insert into sDD select (1598918400+number*60)*1000, number from numbers(5000); insert into sDD select (1598918400+number*60)*1000, number from numbers(5000); insert into sDD select (1601510400+number*60)*1000, number from numbers(5000); insert into sDD select (1602720000+number*60)*1000, number from numbers(5000); CREATE TABLE xMM(d DateTime,a Int64, f Int64) ENGINE = MergeTree PARTITION BY (toYYYYMM(d), a) ORDER BY tuple() SYSTEM STOP MERGES xMM; INSERT INTO xMM SELECT toDateTime('2020-08-16 00:00:00') + number*60, 1, number FROM numbers(5000) INSERT INTO xMM SELECT toDateTime('2020-08-16 00:00:00') + number*60, 2, number FROM numbers(5000) INSERT INTO xMM SELECT toDateTime('2020-09-01 00:00:00') + number*60, 3, number FROM numbers(5000) INSERT INTO xMM SELECT toDateTime('2020-09-01 00:00:00') + number*60, 2, number FROM numbers(5000) INSERT INTO xMM SELECT toDateTime('2020-10-01 00:00:00') + number*60, 1, number FROM numbers(5000) INSERT INTO xMM SELECT toDateTime('2020-10-15 00:00:00') + number*60, 1, number FROM numbers(5000) select uniqExact(_part), count() from tMM where toDate(d)=toDate('2020-09-15') select uniqExact(_part), count() from tMM where toDate(d)=toDate('2020-09-01') select uniqExact(_part), count() from tMM where toDate(d)=toDate('2020-10-15') select uniqExact(_part), count() from tMM where toDate(d)='2020-09-15' select uniqExact(_part), count() from tMM where toYYYYMM(d)=202009 select uniqExact(_part), count() from tMM where toYYYYMMDD(d)=20200816 select uniqExact(_part), count() from tMM where toYYYYMMDD(d)=20201015 select uniqExact(_part), count() from tMM where toDate(d)='2020-10-15' select uniqExact(_part), count() from tMM where d >= '2020-09-01 00:00:00' and d<'2020-10-15 00:00:00' select uniqExact(_part), count() from tMM where d >= '2020-01-16 00:00:00' and d < toDateTime('2021-08-17 00:00:00') select uniqExact(_part), count() from tMM where d >= '2020-09-16 00:00:00' and d < toDateTime('2020-10-01 00:00:00') select uniqExact(_part), count() from tMM where d >= '2020-09-12 00:00:00' and d < '2020-10-16 00:00:00' select uniqExact(_part), count() from tMM where toStartOfDay(d) >= '2020-09-12 00:00:00' select uniqExact(_part), count() from tMM where toStartOfDay(d) = '2020-09-01 00:00:00' select uniqExact(_part), count() from tMM where toStartOfDay(d) = '2020-10-01 00:00:00' select uniqExact(_part), count() from tMM where toStartOfDay(d) >= '2020-09-15 00:00:00' and d < '2020-10-16 00:00:00' select uniqExact(_part), count() from tMM where toYYYYMM(d) between 202009 and 202010 select uniqExact(_part), count() from tMM where toYYYYMM(d) between 202009 and 202009 select uniqExact(_part), count() from tMM where toYYYYMM(d) between 202009 and 202010 and toStartOfDay(d) = '2020-10-01 00:00:00' select uniqExact(_part), count() from tMM where toYYYYMM(d) >= 202009 and toStartOfDay(d) < '2020-10-02 00:00:00' select uniqExact(_part), count() from tMM where toYYYYMM(d) > 202009 and toStartOfDay(d) < '2020-10-02 00:00:00' select uniqExact(_part), count() from tMM where toYYYYMM(d)+1 > 202009 and toStartOfDay(d) < '2020-10-02 00:00:00' select uniqExact(_part), count() from tMM where toYYYYMM(d)+1 > 202010 and toStartOfDay(d) < '2020-10-02 00:00:00' select uniqExact(_part), count() from tMM where toYYYYMM(d)+1 > 202010 select uniqExact(_part), count() from tMM where toYYYYMM(d-1)+1 = 202010 select uniqExact(_part), count() from tMM where toStartOfMonth(d) >= '2020-09-15' select uniqExact(_part), count() from tMM where toStartOfMonth(d) >= '2020-09-01' select uniqExact(_part), count() from tMM where toStartOfMonth(d) >= '2020-09-01' and toStartOfMonth(d) < '2020-10-01' SYSTEM START MERGES tMM OPTIMIZE TABLE tMM FINAL select uniqExact(_part), count() from tMM where toYYYYMM(d-1)+1 = 202010 select uniqExact(_part), count() from tMM where toYYYYMM(d)+1 > 202010 select uniqExact(_part), count() from tMM where toYYYYMM(d) between 202009 and 202010 SYSTEM START MERGES tDD OPTIMIZE TABLE tDD FINAL select uniqExact(_part), count() from tDD where toDate(d)=toDate('2020-09-24') select uniqExact(_part), count() FROM tDD WHERE toDate(d) = toDate('2020-09-24') select uniqExact(_part), count() FROM tDD WHERE toDate(d) = '2020-09-24' select uniqExact(_part), count() FROM tDD WHERE toDate(d) >= '2020-09-23' and toDate(d) <= '2020-09-26' select uniqExact(_part), count() FROM tDD WHERE toYYYYMMDD(d) >= 20200923 and toDate(d) <= '2020-09-26' select uniqExact(_part), count() from sDD where toYYYYMM(toDateTime(intDiv(d,1000))-1)+1 = 202010 select uniqExact(_part), count() from sDD where toYYYYMM(toDateTime(intDiv(d,1000))-1) = 202010 select uniqExact(_part), count() from sDD where toYYYYMM(toDateTime(intDiv(d,1000))-1) = 202110 select uniqExact(_part), count() from sDD where toYYYYMM(toDateTime(intDiv(d,1000)))+1 > 202009 and toStartOfDay(toDateTime(intDiv(d,1000))) < '2020-10-02 00:00:00' select uniqExact(_part), count() from sDD where toYYYYMM(toDateTime(intDiv(d,1000)))+1 > 202009 and toDateTime(intDiv(d,1000)) < '2020-10-01 00:00:00' select uniqExact(_part), count() from sDD where d >= 1598918400000 select uniqExact(_part), count() from sDD where d >= 1598918400000 and toYYYYMM(toDateTime(intDiv(d,1000))-1) < 202010 select uniqExact(_part), count() from xMM where toStartOfDay(d) >= '2020-10-01 00:00:00' select uniqExact(_part), count() from xMM where d >= '2020-09-01 00:00:00' and d <= '2020-10-01 00:00:00' select uniqExact(_part), count() from xMM where d >= '2020-09-01 00:00:00' and d < '2020-10-01 00:00:00' select uniqExact(_part), count() from xMM where d >= '2020-09-01 00:00:00' and d <= '2020-10-01 00:00:00' and a=1 select uniqExact(_part), count() from xMM where d >= '2020-09-01 00:00:00' and d <= '2020-10-01 00:00:00' and a<>3 select uniqExact(_part), count() from xMM where d >= '2020-09-01 00:00:00' and d < '2020-10-01 00:00:00' and a<>3 select uniqExact(_part), count() from xMM where d >= '2020-09-01 00:00:00' and d < '2020-11-01 00:00:00' and a = 1 select uniqExact(_part), count() from xMM where a = 1 select uniqExact(_part), count() from xMM where a = 66 select uniqExact(_part), count() from xMM where a <> 66 select uniqExact(_part), count() from xMM where a = 2 SYSTEM START MERGES xMM; optimize table xMM final; select uniqExact(_part), count() from xMM where a = 1 select uniqExact(_part), count() from xMM where toStartOfDay(d) >= '2020-10-01 00:00:00' select uniqExact(_part), count() from xMM where a <> 66 select uniqExact(_part), count() from xMM where d >= '2020-09-01 00:00:00' and d <= '2020-10-01 00:00:00' and a<>3 select uniqExact(_part), count() from xMM where d >= '2020-09-01 00:00:00' and d < '2020-10-01 00:00:00' and a<>3 DROP TABLE tMM DROP TABLE tDD DROP TABLE sDD DROP TABLE xMM