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19 lines
539 B
MySQL
19 lines
539 B
MySQL
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DROP TABLE IF EXISTS t_desc_subcolumns;
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CREATE TABLE t_desc_subcolumns
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(
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d Date,
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n Nullable(String) COMMENT 'It is a nullable column',
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arr1 Array(UInt32) CODEC(ZSTD),
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arr2 Array(Array(String)) TTL d + INTERVAL 1 DAY,
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t Tuple(s String, a Array(Tuple(a UInt32, b UInt32))) CODEC(ZSTD)
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)
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ENGINE = MergeTree ORDER BY d;
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DESCRIBE TABLE t_desc_subcolumns FORMAT PrettyCompactNoEscapes;
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DESCRIBE TABLE t_desc_subcolumns FORMAT PrettyCompactNoEscapes
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SETTINGS describe_include_subcolumns = 1;
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DROP TABLE t_desc_subcolumns;
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