distinct
Syntax
distinct(X)
Arguments
X is a vector.
Details
Return the distinct elements from vector X. The order of the elements in the result is not guaranteed.
Examples
$ distinct 4 5 5 2 3;
[3,2,5,4]
$ t=table(3 1 2 2 3 as x);
$ select distinct x from t;
distinct_x |
---|
2 |
1 |
3 |
$ select sort(distinct(x)) as x from t;
x |
---|
1 |
2 |
3 |
The function distinct returns a vector, while the function set returns a set.
$ x=set(4 5 5 2 3);
$ x;
set(3,2,5,4)
$ x.intersection(set(2 5));
set(2,5)