mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-22 07:31:57 +00:00
11 lines
454 B
SQL
11 lines
454 B
SQL
drop table if exists t;
|
|
|
|
create 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, DateTime64, UUID), h FixedString(2), i Array(Nullable(UUID))', 10, 5, 3) limit 2;
|
|
|
|
select * apply toJSONString from t;
|
|
|
|
drop table t;
|
|
|
|
set allow_experimental_map_type = 1;
|
|
select toJSONString(map('1234', '5678'));
|