# In-app filtering logic requires duplicative data - alternatives?

**URL:** <https://community.glideapps.com/t/in-app-filtering-logic-requires-duplicative-data-alternatives/60309>\
**Category:** Ask for Help\
**Created:** [April 9, 2023, 4:27am UTC](https://community.glideapps.com/t/in-app-filtering-logic-requires-duplicative-data-alternatives/60309 "2023-04-09T04:27:19Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Darren\_Murphy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/darren_murphy/32/47326_2.png) [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy)\
**Post date:** [April 9, 2023, 5:07am UTC](https://community.glideapps.com/t/in-app-filtering-logic-requires-duplicative-data-alternatives/60309/2 "2023-04-09T05:07:44Z")

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Just from the other thread:

> [@Updating in-app filtering logic?](https://community.glideapps.com/t/updating-in-app-filtering-logic/59507/2):
>
> - On top of the relationship you make from Ingredients to Tables, create a lookup to return all Food made from Ingredients. You will get an array of Food names.
> - Use that array as your filter.

Can you explain or show how implementing that suggestion has resulted in duplicating your data?  
That doesn’t sound right to me.

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_[View the full topic](https://community.glideapps.com/t/in-app-filtering-logic-requires-duplicative-data-alternatives/60309)._