mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-22 23:52:03 +00:00
47 lines
1.8 KiB
SQL
47 lines
1.8 KiB
SQL
DROP TABLE IF EXISTS defaults;
|
|
CREATE TABLE IF NOT EXISTS defaults
|
|
(
|
|
vals String
|
|
) ENGINE = Memory;
|
|
|
|
insert into defaults values ('ba'), ('aa'), ('ba'), ('b'), ('ba'), ('aa');
|
|
select val < 1.5 and val > 1.459 from (select entropy(vals) as val from defaults);
|
|
|
|
|
|
DROP TABLE IF EXISTS defaults;
|
|
CREATE TABLE IF NOT EXISTS defaults
|
|
(
|
|
vals UInt64
|
|
) ENGINE = Memory;
|
|
insert into defaults values (0), (0), (1), (0), (0), (0), (1), (2), (3), (5), (3), (1), (1), (4), (5), (2)
|
|
select val < 2.4 and val > 2.3393 from (select entropy(vals) as val from defaults);
|
|
|
|
|
|
DROP TABLE IF EXISTS defaults;
|
|
CREATE TABLE IF NOT EXISTS defaults
|
|
(
|
|
vals UInt32
|
|
) ENGINE = Memory;
|
|
insert into defaults values (0), (0), (1), (0), (0), (0), (1), (2), (3), (5), (3), (1), (1), (4), (5), (2)
|
|
select val < 2.4 and val > 2.3393 from (select entropy(vals) as val from defaults);
|
|
|
|
|
|
DROP TABLE IF EXISTS defaults;
|
|
CREATE TABLE IF NOT EXISTS defaults
|
|
(
|
|
vals Int32
|
|
) ENGINE = Memory;
|
|
insert into defaults values (0), (0), (-1), (0), (0), (0), (-1), (2), (3), (5), (3), (-1), (-1), (4), (5), (2)
|
|
select val < 2.4 and val > 2.3393 from (select entropy(vals) as val from defaults);
|
|
|
|
|
|
DROP TABLE IF EXISTS defaults;
|
|
CREATE TABLE IF NOT EXISTS defaults
|
|
(
|
|
vals DateTime
|
|
) ENGINE = Memory;
|
|
insert into defaults values (toDateTime('2016-06-15 23:00:00')), (toDateTime('2016-06-15 23:00:00')), (toDateTime('2016-06-15 23:00:00')), (toDateTime('2016-06-15 23:00:00')), (toDateTime('2016-06-15 24:00:00')), (toDateTime('2016-06-15 24:00:00')), (toDateTime('2016-06-15 24:00:00')), (toDateTime('2017-06-15 24:00:00')), (toDateTime('2017-06-15 24:00:00')), (toDateTime('2018-06-15 24:00:00')), (toDateTime('2018-06-15 24:00:00')), (toDateTime('2019-06-15 24:00:00'));
|
|
select val < 2.189 and val > 2.1886 from (select entropy(vals) as val from defaults);
|
|
|
|
DROP TABLE defaults;
|