Closure
Description
This transform was created to allow you to generate a Reflexive Transitive Closure Table for Mondrian. For more information on how a closure table can help Mondrian gain performance, go here Technically, this transform reads all input rows in memory and calculates all possible parent-child relationships. It attaches the distance (in levels) from parent to child.
Options
Option | Description |
---|---|
Transform name | The name that uniquely identifies the transform. |
Parent ID field | The field name that contains the parent ID of the parent-child relationship. |
Child ID field | The field name that contains the child ID of the parent-child relationship. |
Distance field name | The name of the distance field that will be added to the output |
Root is zero | Check this box if the root of the parent-child tree is not empty (null) but zero (0) |