Compare Collection
Description
The Compare Collection part allows an application to identify the differences between a collection and a comparison collection. The system outputs the results into two user-defined collections:
- Items present in the comparison collection but not in the original collection
- Items not present in the comparison collection but present in the original collection
Use
This part can be used in a variety of applications; for example, a user can deploy this part to identify identify new items and end-user selects from a checklist compared to the end-user's original selection. The user can also apply the part to identify the common items across two collections; i.e., find the intersection of the data.
Editor Fields
| Field Name |
Description |
Type/Options |
Optional/Mandatory |
| collection1 |
This is the name of the original collection. |
Data Object |
Mandatory |
| collection2 |
This is the name of the revised or comparison collection. |
Data Object |
Mandatory |
| deleted_item |
This is the name of the collection into which the Compare Collection part will write those items that are present in collection1 but not present in collection2. |
Data Object |
Optional |
| new_item |
This is the name of the collection into which the Compare Collection part will write those items present in collection2 but not present in collection1. |
Data Object |
Optional |
| equal_item |
This is the name of the collection into which the Compare Collection part will write items that are the same in both collections. |
Data Object |
Optional |
The original collection--collection1--contains the items A, B, C, and D. The revised list--collection2--contains items A and F. In this situation, the items would be in the following collections:
- collection1: A, B, C, D
- collection2: A, F
- deleted_item: B, C, D
- new_item: F
- equal_item: A
Example
For an example of how to use the Compare Collection part, download and import the How-To Guide: Introduction to Collections and review the Compare tab of this project.
