mirror of
https://github.com/ClickHouse/ClickHouse.git
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50 lines
2.1 KiB
MySQL
50 lines
2.1 KiB
MySQL
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CREATE DATABASE IF NOT EXISTS test;
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DROP TABLE IF EXISTS test.defaults;
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CREATE TABLE IF NOT EXISTS test.defaults
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(
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vals String
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) ENGINE = Memory;
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insert into test.defaults values ('ba'), ('aa'), ('ba'), ('b'), ('ba'), ('aa');
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select val < 1.5 and val > 1.459 from (select entropy(vals) as val from test.defaults);
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CREATE DATABASE IF NOT EXISTS test;
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DROP TABLE IF EXISTS test.defaults;
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CREATE TABLE IF NOT EXISTS test.defaults
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(
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vals UInt64
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) ENGINE = Memory;
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insert into test.defaults values (0), (0), (1), (0), (0), (0), (1), (2), (3), (5), (3), (1), (1), (4), (5), (2)
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select val < 2.4 and val > 2.3393 from (select entropy(vals) as val from test.defaults);
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CREATE DATABASE IF NOT EXISTS test;
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DROP TABLE IF EXISTS test.defaults;
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CREATE TABLE IF NOT EXISTS test.defaults
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(
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vals UInt32
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) ENGINE = Memory;
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insert into test.defaults values (0), (0), (1), (0), (0), (0), (1), (2), (3), (5), (3), (1), (1), (4), (5), (2)
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select val < 2.4 and val > 2.3393 from (select entropy(vals) as val from test.defaults);
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CREATE DATABASE IF NOT EXISTS test;
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DROP TABLE IF EXISTS test.defaults;
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CREATE TABLE IF NOT EXISTS test.defaults
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(
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vals Int32
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) ENGINE = Memory;
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insert into test.defaults values (0), (0), (-1), (0), (0), (0), (-1), (2), (3), (5), (3), (-1), (-1), (4), (5), (2)
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select val < 2.4 and val > 2.3393 from (select entropy(vals) as val from test.defaults);
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CREATE DATABASE IF NOT EXISTS test;
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DROP TABLE IF EXISTS test.defaults;
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CREATE TABLE IF NOT EXISTS test.defaults
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(
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vals DateTime
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) ENGINE = Memory;
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insert into test.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'));
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select val < 2.189 and val > 2.1886 from (select entropy(vals) as val from test.defaults);
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