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20 lines
518 B
SQL
20 lines
518 B
SQL
-- Tags: no-fasttest
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create temporary table t engine Memory as select * from generateRandom(
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$$
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a Array(Int8),
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b UInt32,
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c Nullable(String),
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d Decimal32(4),
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e Nullable(Enum16('h' = 1, 'w' = 5 , 'o' = -200)),
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f Float64,
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g Tuple(Date, DateTime('Europe/Moscow'), DateTime64(3, 'Europe/Moscow'), UUID),
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h FixedString(2),
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i Array(Nullable(UUID))
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$$, 10, 5, 3) limit 2;
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select * apply toJSONString from t;
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set allow_experimental_map_type = 1;
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select toJSONString(map('1234', '5678'));
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