ST_seti

The ST_seti function takes an vector argument (A) and removes duplicate elements. The function returns an index vector of the result.

C = ST_seti(A)

C = ST_seti(A, bSort)

Return Value

C is an index vector.

Parameters

A

A is a real or string vector.

bSort

bSort specifies if the index vektor contains the indeces of the sorted or unsorted vector. Default value is TRUE (1).

.

Example

* ST_seti([1.3, 4.2, 2.2, 4.2, 6.1, 3.1])
*    1.000  3.000 6.000 2.000 5.000
*
* ST_seti(["one", "four", "two", "four", "three"])'
4
1
5
3
*
* ST_seti(["one", "four", "two", "four", "three"], FALSE)'
1
2
3
5

History

Version	Description
5.9.3	New parameter bSort.
5.5.2	New.

See also

Overview Strings, ST_complement, ST_intersection, ST_union, ST_set

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