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Power Platform Community / Forums / Power Apps / Check if a value of a ...
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Check if a value of a table exists in another table but with a catch (Multiple person column).

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Posted on by 48

Hello! 

 

I am implementing a small Project Management app using SharePoint lists and I am facing an issue that I've tried to research here and did not manage to find a solution..

 

I have a table "Projects" containing (showing the information of Value) the Project with some characteristics as below :

ProjectID (text)Title (text)
P8Lorem Ipsum.
P9This is definitely a project.

 

and I have another table called "InvolvedUsers" containing a LookUp to the mentioned above table and some People involved in the project. The tricky thing is that the column containing Person or Group data, is of multiple values as per below. 

Project (LookUp to Projects)ProjectID (text)
(the same as the column on the left for convenience and avoidance of delegation)
Internal Assignee (multiple person/group column)
P9P9User 1 
User 2
User 3
P8P8User X
User 1
P1P1User 4
P2P2User 5
User 7

 

In my PowerApp, I have a gallery filtering Projects. What I want to achieve is filtering Projects, based on whether me - User 1 is inside the Internal Assignee column of InvolvedUsers table.

Therefore I need to see P9 and P8.

 

Thank you in advance to anyone taking some time to review my issue!

Already tried this and this with no success 😔

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  • Drrickryp Profile Picture
    Super User 2024 Season 1 on at

    @SmoothOperator 

    The problem you are dealing with is that you are actually trying to model a many to many relationship with two tables when actually three tables are a better way to do it. !1.jpg For more information about how to design your data sources, see my blog post here https://powerusers.microsoft.com/t5/Power-Apps-Community-Blog/Relational-Database-Principles-and-PowerApps-Step-3-Keys-and/ba-p/188640  and how to implement them in PowerApps here: https://powerusers.microsoft.com/t5/Power-Apps-Community-Blog/Relational-Database-Design-fundamentals-Implementing-a-One-to/ba-p/200521 .  In the screenshot, there is a junction table that uses the ID from the other two tables to describe the interaction between them. 

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