# Lookup to a rollup does not give me correct config

**URL:** https://community.glideapps.com/t/lookup-to-a-rollup-does-not-give-me-correct-config/21895
**Category:** Report a Bug
**Created:** [January 28, 2021, 6:40pm UTC](https://community.glideapps.com/t/lookup-to-a-rollup-does-not-give-me-correct-config/21895 "2021-01-28T18:40:19Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![Pablo\_books](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/pablo_books/32/2110_2.png) [@Pablo\_books](https://community.glideapps.com/u/Pablo_books)
#### Post date: [January 28, 2021, 6:40pm UTC](https://community.glideapps.com/t/lookup-to-a-rollup-does-not-give-me-correct-config/21895/1 "2021-01-28T18:40:19Z")

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Take a look at this screenshot:  
 ![image](https://us1.discourse-cdn.com/flex002/uploads/glideapps/original/3X/0/0/008c394865e21e6045af9b5a2910a21b0a6aacda.png)

The lookup is pointing to a relation that is pointing to a rollup,  
 ![image](https://us1.discourse-cdn.com/flex002/uploads/glideapps/original/3X/9/5/950b793e7151f5bd7baefccc4d61a088aa2db2aa.png)

And the only options I get are ‘Is not empty’ and ‘is empty’ when I want ‘is equal to 1’ or something like that

Is this a bug, forgotten feature, or weird intended behavior?

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### Author: ![Jeff\_Hager](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/jeff_hager/32/43_2.png) [@Jeff\_Hager](https://community.glideapps.com/u/Jeff_Hager)
#### Post date: [January 28, 2021, 6:44pm UTC](https://community.glideapps.com/t/lookup-to-a-rollup-does-not-give-me-correct-config/21895/2 "2021-01-28T18:44:30Z")

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Most likely because it’s a multiple relation. You can’t compare a single value to a lookup array that can potentially hold thousands of values. Needs to be a single relation with a lookup to a single value.

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<div class="post-metadata">

### Author: ![Pablo\_books](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/pablo_books/32/2110_2.png) [@Pablo\_books](https://community.glideapps.com/u/Pablo_books)
#### Post date: [January 28, 2021, 6:46pm UTC](https://community.glideapps.com/t/lookup-to-a-rollup-does-not-give-me-correct-config/21895/3 "2021-01-28T18:46:01Z")

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Thanks! It seems like I mindlessly checked ‘Match Multiple’