The ChangeDetector transformer is great particularly when enriching source data and updating a target database, but it is sometimes difficult to track which attributes are shared between the Original and Revised ports. It would be terrific if the attribute lists could be color coded, or have some other kind of indicator to quickly shed light on the attributes that are on both ports vs those that are only on one port. More than once I have been confused why I was seeing so many updates when some enriched attribute hadn't yet been considered before reaching the revised port. I'm sure there are other transformers that could benefit from similar treatment.
Archived
Color coded Attribute Lists when transformers have multiple input ports
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+22- Enthusiast
Another option is prefixing or suffixing, for example either if the transformer (such as the FeatureMerger) supports it or using a BulkAttributeRenamer to tag those attributes before sending them to a subsequent transformer.
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