Comments and answers for "How to perform AffineWarper in Group By mode?" https://knowledge.safe.com/questions/22123/how-to-perform-affinewarper-in-group-by-mode.html 最新的评论和回答问题”How to perform AffineWarper in Group By mode?" Comment by xiaomengatsafe on xiaomengatsafe's answer https://knowledge.safe.com/comments/85472/view.html

@lanthar Glad you found that note helpful. Good news: We've fixed that bug in the latest 2019.0. You can test it out in the current beta. Available here: //www.baooytra.com/support/support-resources/fme-downloads/beta/

 Wed, 16 Jan 2019 21:51:54 GMT xiaomengatsafe Comment by itay on itay's answer https://knowledge.safe.com/comments/84812/view.html

Good old wrap it in a custom transformer en voila! group by is possible!

 Thu, 03 Jan 2019 20:32:27 GMT itay Answer by lanthar https://knowledge.safe.com/answers/84811/view.html

After banging my head trying to figure out why this wasn't working, and using feature caching to do my debugging... I saw this handy post, https://knowledge.safe.com/questions/78585/how-to-add-group-by-to-any-transformer.html


With this IMPORTANT note:

One caveat I’ve noticed about this hack:
 Thu, 03 Jan 2019 20:30:12 GMT lanthar Answer by arekpierchala https://knowledge.safe.com/answers/22126/view.html

Thanks a lot. It works.

 Tue, 12 Jan 2016 12:02:39 GMT arekpierchala Answer by takashi https://knowledge.safe.com/answers/22125/view.html

A possible way is to wrap the AffineWarper by a custom transformer and publish the "Parallel Process By" parameter as a transformer parameter. It's not exactly equal to the regular "Group By", but it works like that. Try the steps illustrated in this image.

 Tue, 12 Jan 2016 11:38:23 GMT takashi