ClickHouse/tests/queries/0_stateless/01905_to_json_string.sql

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2021-07-24 22:55:23 +00:00
create temporary table t engine Memory as select * from generateRandom(
$$
a Array(Int8),
b UInt32,
c Nullable(String),
d Decimal32(4),
e Nullable(Enum16('h' = 1, 'w' = 5 , 'o' = -200)),
f Float64,
g Tuple(Date, DateTime('Europe/Moscow'), DateTime64(3, 'Europe/Moscow'), UUID),
h FixedString(2),
i Array(Nullable(UUID))
$$, 10, 5, 3) limit 2;
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select * apply toJSONString from t;
set allow_experimental_map_type = 1;
select toJSONString(map('1234', '5678'));