IF.EAGER DAX Function (Logical)

Checks whether a condition is met, and returns one value if TRUE, and another value if FALSE. Uses eager execution plan.


IF.EAGER ( <LogicalTest>, <ResultIfTrue> [, <ResultIfFalse>] )
Parameter Attributes Description

Any value or expression that can be evaluated to TRUE or FALSE.


The value that is returned if the logical test is TRUE.

ResultIfFalse Optional

The value that is returned if the logical test is FALSE; if omitted, BLANK is returned.

Return values

Scalar A single value of any type.

Either ResultIfTrue or ResultIfFalse expression result, depending on LogicalTest.


Calling IF.EAGER enforce eager evaluation of the conditional expression, instead of relying on choice between strict and eager evaluation made by the DAX engine.

The IF.EAGER was visible in the metadata only in the verified builds shown aside. It has been later removed from visible functions, even though it is still included in the engine. This function should be used only in very particular case of DAX optimization, after verifying that it produces a clear performance advantage compared to the regular IF function.

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--  The engine can use either STRICT or EAGER evaluation. 
--  The choice is up to the optimizer.
--  Using IF.EAGER you can force eager evaluation of IF statements.
--  Useful in some optimization scenarios.
    MEASURE Sales[GrossAmount] = SUMX ( Sales, Sales[Quantity] * Sales[Unit Price] )
    MEASURE Sales[NetAmount]   = SUMX ( Sales, Sales[Quantity] * Sales[Net Price] )
    VALUES ( 'Product'[Brand] ),
        IF ( 'Product'[Brand] = "Contoso", [GrossAmount], [NetAmount] * 1.5 )
ORDER BY 'Product'[Brand]
Brand Sales
A. Datum 3,144,276.96
Adventure Works 6,016,668.41
Contoso 8,098,022.18
Fabrikam 8,331,023.59
Litware 4,883,556.04
Northwind Traders 1,560,828.19
Proseware 3,819,216.24
Southridge Video 2,076,620.77
Tailspin Toys 487,563.63
The Phone Company 1,685,728.60
Wide World Importers 2,852,934.98

Related articles

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Related functions

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Last update: Apr 2, 2021   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo

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Context Transition

This function performs a Context Transition if called in a Row Context. Click to read more.

Row Context

This expression is executed in a Row Context. Click to read more.


Not recommended

The use of this function is not recommended. See Remarks and Related functions for alternatives.

Not recommended

The use of this parameter is not recommended.


This function is deprecated. Jump to the Alternatives section to see the function to use.


This parameter is deprecated and its use is not recommended.

DirectQuery compatibility

Limitations are placed on DAX expressions allowed in measures and calculated columns.
The state below shows the DirectQuery compatibility of the DAX function.


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