mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-21 15:12:02 +00:00
9 lines
193 B
SQL
9 lines
193 B
SQL
set allow_experimental_map_type = 1;
|
|
|
|
select length(map(1,2,3,4));
|
|
select length(map());
|
|
select empty(map(1,2,3,4));
|
|
select empty(map());
|
|
select notEmpty(map(1,2,3,4));
|
|
select notEmpty(map());
|