mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-30 03:22:14 +00:00
67 lines
1.7 KiB
MySQL
67 lines
1.7 KiB
MySQL
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drop table if exists count_lc_test;
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CREATE TABLE count_lc_test
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(
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`s` LowCardinality(String),
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`arr` Array(LowCardinality(String)),
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`num` UInt64
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)
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ENGINE = MergeTree
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ORDER BY (s, arr);
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INSERT INTO count_lc_test(num, arr) VALUES (1,[]),(2,['a']),(3,['a','b','c']),(4,['aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa']);
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SELECT '--- notEmpty';
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select * from count_lc_test where notEmpty(arr);
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SELECT '--- empty';
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select * from count_lc_test where empty(arr);
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SELECT '--- = []';
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select * from count_lc_test where arr = [];
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SELECT '--- != []';
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select * from count_lc_test where arr != [];
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SELECT '--- > []';
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select * from count_lc_test where arr > [];
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SELECT '--- < []';
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select * from count_lc_test where arr < [];
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SELECT '--- >= []';
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select * from count_lc_test where arr >= [];
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SELECT '--- <= []';
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select * from count_lc_test where arr <= [];
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SELECT '---';
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DROP TABLE count_lc_test;
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drop table if exists count_lc_test;
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CREATE TABLE count_lc_test
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(
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`s` LowCardinality(String),
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`arr` Array(String),
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`num` UInt64
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)
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ENGINE = MergeTree
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ORDER BY (s, arr);
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INSERT INTO count_lc_test(num, arr) VALUES (1,[]),(2,['a']),(3,['a','b','c']),(4,['aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa']);
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SELECT '--- notEmpty';
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select * from count_lc_test where notEmpty(arr);
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SELECT '--- empty';
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select * from count_lc_test where empty(arr);
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SELECT '--- = []';
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select * from count_lc_test where arr = [];
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SELECT '--- != []';
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select * from count_lc_test where arr != [];
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SELECT '--- > []';
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select * from count_lc_test where arr > [];
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SELECT '--- < []';
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select * from count_lc_test where arr < [];
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SELECT '--- >= []';
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select * from count_lc_test where arr >= [];
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SELECT '--- <= []';
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select * from count_lc_test where arr <= [];
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SELECT '---';
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DROP TABLE count_lc_test;
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