Id

relational-functions id

syntax

definition

id(domain unit) results in an attribute with the index-numbers of the domain unit domain unit.

This domain unit argument is both domain unit and values-unit of the resulting attribute.

description

An id(domain unit, relation) function is not implemented. Use the cumulate function to calculate index numbers per partitioning.

applies to

example

unit<uint32> Region: NrofRows = 5;
attribute<Region> idRegion (Region) := id(Region);
idRegion
0
1
2
3
4

domain Region, nr of rows = 5