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Store Filtered Records/Table to a Variable

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Posted on by Community Power Pla... Microsoft Employee

Hi everyone,

So I have a this table that I use as a data source in my power app.

And I want to filter this table based on the BaggageId. The BaggageId will be selected from a DropDown. So I performed following formula

Filter('[dbo].[vBaggageHistory]',BaggageId=Dropdown_baggagetracking.Selected.Result && Status=1)

Since this table will be used in multiple points on one screen, I was thinking to store this filter result in a varible, so my app doesnt have to perform filtering every single time. And so I executed this formula

UpdateContext{ varFilteredResult : Filter('[dbo].[vBaggageHistory]',BaggageId=Dropdown_baggagetracking.Selected.Result && Status=1)}

However, in this variable only the value from BaggageId and Status are stored. For other attributes (Id, Message, UTCTimeStamp) the values are not stored (blank). It looks like only the values from the attributes used in filter function conditional expression are stored. Does anyone know how I can store all values from filtered table/record?

Many Thanks in advance!

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Community Power Pla... Microsoft Employee on at

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Do you have explicit column selection turned on in the app's settings?

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eka24 20,925 on at

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On visible of the screen:
Set(Varbaggagetracking,Dropdown_baggagetracking.Selected.Result)
Then filter:
Filter('[dbo].[vBaggageHistory]',BaggageId=Varbaggagetracking&& Status=1)

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Community Power Pla... Microsoft Employee on at

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Indeed this does the trick. Now all attributes values are stored. When I turned this setting off, what kind of effects does it bring for my app?

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Community Power Pla... Microsoft Employee on at

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Explicit column selection speeds up data processing by only including columns that are used in the app. So if a column in your data source is not referenced anywhere, it will ignore it. By turning this option off, all of your data sources will pull down all column values in your app.

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