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https://github.com/ClickHouse/ClickHouse.git
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55 lines
3.2 KiB
MySQL
55 lines
3.2 KiB
MySQL
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DROP TABLE IF EXISTS test_low_cardinality_string;
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DROP TABLE IF EXISTS test_low_cardinality_uuid;
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DROP TABLE IF EXISTS test_low_cardinality_int;
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CREATE TABLE test_low_cardinality_string (data String) ENGINE MergeTree ORDER BY data;
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CREATE TABLE test_low_cardinality_uuid (data String) ENGINE MergeTree ORDER BY data;
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CREATE TABLE test_low_cardinality_int (data String) ENGINE MergeTree ORDER BY data;
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INSERT INTO test_low_cardinality_string (data) VALUES ('{"a": "hi", "b": "hello", "c": "hola", "d": "see you, bye, bye"}');
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INSERT INTO test_low_cardinality_int (data) VALUES ('{"a": 11, "b": 2222, "c": 33333333, "d": 4444444444444444}');
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INSERT INTO test_low_cardinality_uuid (data) VALUES ('{"a": "2d49dc6e-ddce-4cd0-afb8-790956df54c4", "b": "2d49dc6e-ddce-4cd0-afb8-790956df54c3", "c": "2d49dc6e-ddce-4cd0-afb8-790956df54c1", "d": "2d49dc6e-ddce-4cd0-afb8-790956df54c1"}');
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SELECT JSONExtract(data, 'Tuple(
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a LowCardinality(String),
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b LowCardinality(String),
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c LowCardinality(String),
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d LowCardinality(String)
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)') AS json FROM test_low_cardinality_string;
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SELECT JSONExtract(data, 'Tuple(
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a LowCardinality(FixedString(20)),
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b LowCardinality(FixedString(20)),
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c LowCardinality(FixedString(20)),
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d LowCardinality(FixedString(20))
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)') AS json FROM test_low_cardinality_string;
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SELECT JSONExtract(data, 'Tuple(
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a LowCardinality(Int8),
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b LowCardinality(Int8),
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c LowCardinality(Int8),
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d LowCardinality(Int8)
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)') AS json FROM test_low_cardinality_int;
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SELECT JSONExtract(data, 'Tuple(
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a LowCardinality(Int16),
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b LowCardinality(Int16),
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c LowCardinality(Int16),
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d LowCardinality(Int16)
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)') AS json FROM test_low_cardinality_int;
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SELECT JSONExtract(data, 'Tuple(
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a LowCardinality(Int32),
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b LowCardinality(Int32),
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c LowCardinality(Int32),
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d LowCardinality(Int32)
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)') AS json FROM test_low_cardinality_int;
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SELECT JSONExtract(data, 'Tuple(
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a LowCardinality(Int64),
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b LowCardinality(Int64),
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c LowCardinality(Int64),
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d LowCardinality(Int64)
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)') AS json FROM test_low_cardinality_int;
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SELECT JSONExtract(data, 'Tuple(
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a LowCardinality(UUID),
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b LowCardinality(UUID),
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c LowCardinality(UUID),
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d LowCardinality(UUID)
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)') AS json FROM test_low_cardinality_uuid;
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DROP TABLE test_low_cardinality_string;
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DROP TABLE test_low_cardinality_uuid;
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DROP TABLE test_low_cardinality_int;
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