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Regular Visitor

Store Filtered Records/Table to a Variable

Hi everyone,

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

 

Capture.JPG

 

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?

 

Capture1.JPG

 

 Many Thanks in advance!

 

1 ACCEPTED SOLUTION

Accepted Solutions
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Super User
Super User

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

View solution in original post

4 REPLIES 4
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Super User
Super User

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

View solution in original post

Super User III
Super User III

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

Highlighted

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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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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