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PowerApps Delegation warning

Warning:

Delegation warning. This part "Filter" of this formula might not work correctly on large datasets. The data source might not be able to process the formula and might return an incomplete data set. Your application might not return correct results or behave correctly if the data set is incomplete

"Working with large datasets requires using data sources and formulas that can be delegated" - PowerApps 












Solution!!!

500 is the default number of records to pull, but you can change this number for an entire app. 

By altering the number of delegation queries (not recommended), you will be able to pull items up to 2000 (as of 2018). 
  1. On the File tab, select App settings.
  2. Find Experimental features, change the Data row limit for non-delegable queries setting from 1 to 2000.











Data sources that will help with delegation:

Common Data ServiceSharePointSQL ServerDynamics 365Salesforce
AverageNoNoYesNoNo
FilterYesYesYesYesYes
LookUpYesYesYesYesYes
MaxNoNoYesNoNo
MinNoNoYesNoNo
SearchYes1NoYesYesYes
SortYesYesYesYesYes
SortByColumnsYesYesYesYesYes
SumNoNoYesNoNo


Filters and lookup that support delegation:

Common Data ServiceSharePointSQL ServerDynamics 365Salesforce
NotYesNoYesYesYes
IsBlankNoNoYesYesNo
TrimEndsNoNoYesNoNo
LenNoNoYesNoNo
+, -NoNoYesNoNo
<, <=, =, <>, >, >=YesYes (only =)YesYesYes
And (&&), Or (||), Not (!)Yes2Yes (except Not(!))YesYesYes
inNoNoYesNoYes
StartsWithNoYesNoNoNo

Check the updated list of delegations

https://docs.microsoft.com/en-us/powerapps/maker/canvas-apps/delegation-list


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