BITOR DAX Function (Logical)

Returns a bitwise ‘OR‘ of two numbers.

Syntax

BITOR ( <Number1>, <Number2> )
Parameter Attributes Description
Number1

The first number.

Number2

The second number.

Return values

Scalar A single integer value.

A bitwise OR of two numbers.

Examples

DEFINE
    VAR ValA = SELECTCOLUMNS ( GENERATESERIES ( -5, 5 ), "A", [Value] )
    VAR ValB = SELECTCOLUMNS ( GENERATESERIES ( -5, 5 ), "B", [Value] )
EVALUATE
    ADDCOLUMNS (
        CROSSJOIN ( ValA, ValB ),
        "BITAND", BITAND ( [A], [B] ),
        "BITOR", BITOR ( [A], [B] ),
        "BITXOR", BITXOR ( [A], [B] )
    )
ORDER BY [A] DESC, [B] DESC
A B BITAND BITOR BITXOR
5 5 5 5 0
5 4 4 5 1
5 3 1 7 6
5 2 0 7 7
5 1 1 5 4
5 0 0 5 5
5 -1 5 -1 -6
5 -2 4 -1 -5
5 -3 5 -3 -8
5 -4 4 -3 -7
5 -5 1 -1 -2
4 5 4 5 1
4 4 4 4 0
4 3 0 7 7
4 2 0 6 6
4 1 0 5 5
4 0 0 4 4
4 -1 4 -1 -5
4 -2 4 -2 -6
4 -3 4 -3 -7
4 -4 4 -4 -8
4 -5 0 -1 -1
3 5 1 7 6
3 4 0 7 7
3 3 3 3 0
3 2 2 3 1
3 1 1 3 2
3 0 0 3 3
3 -1 3 -1 -4
3 -2 2 -1 -3
3 -3 1 -1 -2
3 -4 0 -1 -1
3 -5 3 -5 -8
2 5 0 7 7
2 4 0 6 6
2 3 2 3 1
2 2 2 2 0
2 1 0 3 3
2 0 0 2 2
2 -1 2 -1 -3
2 -2 2 -2 -4
2 -3 0 -1 -1
2 -4 0 -2 -2
2 -5 2 -5 -7
1 5 1 5 4
1 4 0 5 5
1 3 1 3 2
1 2 0 3 3
1 1 1 1 0
1 0 0 1 1
1 -1 1 -1 -2
1 -2 0 -1 -1
1 -3 1 -3 -4
1 -4 0 -3 -3
1 -5 1 -5 -6
0 5 0 5 5
0 4 0 4 4
0 3 0 3 3
0 2 0 2 2
0 1 0 1 1
0 0 0 0 0
0 -1 0 -1 -1
0 -2 0 -2 -2
0 -3 0 -3 -3
0 -4 0 -4 -4
0 -5 0 -5 -5
-1 5 5 -1 -6
-1 4 4 -1 -5
-1 3 3 -1 -4
-1 2 2 -1 -3
-1 1 1 -1 -2
-1 0 0 -1 -1
-1 -1 -1 -1 0
-1 -2 -2 -1 1
-1 -3 -3 -1 2
-1 -4 -4 -1 3
-1 -5 -5 -1 4
-2 5 4 -1 -5
-2 4 4 -2 -6
-2 3 2 -1 -3
-2 2 2 -2 -4
-2 1 0 -1 -1
-2 0 0 -2 -2
-2 -1 -2 -1 1
-2 -2 -2 -2 0
-2 -3 -4 -1 3
-2 -4 -4 -2 2
-2 -5 -6 -1 5
-3 5 5 -3 -8
-3 4 4 -3 -7
-3 3 1 -1 -2
-3 2 0 -1 -1
-3 1 1 -3 -4
-3 0 0 -3 -3
-3 -1 -3 -1 2
-3 -2 -4 -1 3
-3 -3 -3 -3 0
-3 -4 -4 -3 1
-3 -5 -7 -1 6
-4 5 4 -3 -7
-4 4 4 -4 -8
-4 3 0 -1 -1
-4 2 0 -2 -2
-4 1 0 -3 -3
-4 0 0 -4 -4
-4 -1 -4 -1 3
-4 -2 -4 -2 2
-4 -3 -4 -3 1
-4 -4 -4 -4 0
-4 -5 -8 -1 7
-5 5 1 -1 -2
-5 4 0 -1 -1
-5 3 3 -5 -8
-5 2 2 -5 -7
-5 1 1 -5 -6
-5 0 0 -5 -5
-5 -1 -5 -1 4
-5 -2 -6 -1 5
-5 -3 -7 -1 6
-5 -4 -8 -1 7
-5 -5 -5 -5 0
// This longer code produces an easier to read output 
// by showing the result in both decimal and binary formats
//
// The second query also shows how to implement a BITNOT function,
// which is not available in DAX
//
// Contribution by Kenneth Barber
DEFINE
    VAR MinimumValue = -3
    VAR MaximumValue = 3
    TABLE 'Numbers' =
        VAR NumberOfBitsToShow =
            // This excludes the sign bit before the "…"
            ROUNDUP (
                LOG ( MAX ( ABS ( MinimumValue ), ABS ( MaximumValue ) ) + 1, 2 ),
                0
            )
        RETURN
            ADDCOLUMNS (
                VAR Limit =
                    BITLSHIFT ( 1, NumberOfBitsToShow )
                RETURN
                    GENERATESERIES ( - Limit, Limit - 1 ),
                // We precompute the binary representations of all possible values
                // so that we can simply look them up later
                "Value (Binary)",
                    VAR Number = [Value]
                    RETURN
                        INT ( Number < 0 ) & "…"
                            & CONCATENATEX (
                                ADDCOLUMNS (
                                    GENERATESERIES ( 0, NumberOfBitsToShow ),
                                    "Bit", MOD ( BITRSHIFT ( Number, [Value] ), 2 )
                                ),
                                [Bit],
                                "",
                                [Value], DESC
                            )
            )
    MEASURE 'Numbers'[Binary] =
        // Where this measure is used, we could have used LOOKUPVALUE instead,
        // but it would have been more verbose
        CALCULATE (
            VALUES ( 'Numbers'[Value (Binary)] ),
            ALLEXCEPT ( 'Numbers', 'Numbers'[Value] )
        )
    VAR TableOfValuesToShow =
        CALCULATETABLE (
            'Numbers',
            'Numbers'[Value] >= MinimumValue,
            'Numbers'[Value] <= MaximumValue
        )
    VAR TableA =
        SELECTCOLUMNS (
            TableOfValuesToShow,
            "A", [Value],
            "A (Binary)", [Value (Binary)]
        )
    VAR TableB =
        SELECTCOLUMNS (
            TableOfValuesToShow,
            "B", [Value],
            "B (Binary)", [Value (Binary)]
        )

EVALUATE
GENERATE (
    CROSSJOIN ( TableA, TableB ),
    VAR BITANDresult =
        BITAND ( [A], [B] )
    VAR BITORresult =
        BITOR ( [A], [B] )
    VAR BITXORresult =
        BITXOR ( [A], [B] )
    RETURN
        ROW (
            "BITAND", BITANDresult,
            "BITAND (Binary)", CALCULATE ( [Binary], 'Numbers'[Value] = BITANDresult ),
            "BITOR", BITORresult,
            "BITOR (Binary)", CALCULATE ( [Binary], 'Numbers'[Value] = BITORresult ),
            "BITXOR", BITXORresult,
            "BITXOR (Binary)", CALCULATE ( [Binary], 'Numbers'[Value] = BITXORresult )
        )
)
ORDER BY
    [A] DESC,
    [B] DESC

// There is no "BITNOT" function in DAX to perform a bitwise NOT,
// but BITXOR(,-1) achieves the same result (-1 = 1…1111)
EVALUATE
GENERATE (
    SELECTCOLUMNS (
        // This ensures that the column name is not preceded with the table name
        TableOfValuesToShow,
        "Value", [Value],
        "Value (Binary)", [Value (Binary)]
    ),
    VAR BITNOTresult =
        BITXOR ( [Value], -1 )
    RETURN
        ROW (
            """BITNOT""", BITNOTresult,
            """BITNOT"" (Binary)", CALCULATE ( [Binary], 'Numbers'[Value] = BITNOTresult )
        )
)
ORDER BY [Value] DESC

A A (Binary) B B (Binary) BITAND BITAND (Binary) BITOR BITOR (Binary) BITXOR BITXOR (Binary)
3 0…011 3 0…011 3 0…011 3 0…011 0 0…000
3 0…011 2 0…010 2 0…010 3 0…011 1 0…001
3 0…011 1 0…001 1 0…001 3 0…011 2 0…010
3 0…011 0 0…000 0 0…000 3 0…011 3 0…011
3 0…011 -1 1…111 3 0…011 -1 1…111 -4 1…100
3 0…011 -2 1…110 2 0…010 -1 1…111 -3 1…101
3 0…011 -3 1…101 1 0…001 -1 1…111 -2 1…110
2 0…010 3 0…011 2 0…010 3 0…011 1 0…001
2 0…010 2 0…010 2 0…010 2 0…010 0 0…000
2 0…010 1 0…001 0 0…000 3 0…011 3 0…011
2 0…010 0 0…000 0 0…000 2 0…010 2 0…010
2 0…010 -1 1…111 2 0…010 -1 1…111 -3 1…101
2 0…010 -2 1…110 2 0…010 -2 1…110 -4 1…100
2 0…010 -3 1…101 0 0…000 -1 1…111 -1 1…111
1 0…001 3 0…011 1 0…001 3 0…011 2 0…010
1 0…001 2 0…010 0 0…000 3 0…011 3 0…011
1 0…001 1 0…001 1 0…001 1 0…001 0 0…000
1 0…001 0 0…000 0 0…000 1 0…001 1 0…001
1 0…001 -1 1…111 1 0…001 -1 1…111 -2 1…110
1 0…001 -2 1…110 0 0…000 -1 1…111 -1 1…111
1 0…001 -3 1…101 1 0…001 -3 1…101 -4 1…100
0 0…000 3 0…011 0 0…000 3 0…011 3 0…011
0 0…000 2 0…010 0 0…000 2 0…010 2 0…010
0 0…000 1 0…001 0 0…000 1 0…001 1 0…001
0 0…000 0 0…000 0 0…000 0 0…000 0 0…000
0 0…000 -1 1…111 0 0…000 -1 1…111 -1 1…111
0 0…000 -2 1…110 0 0…000 -2 1…110 -2 1…110
0 0…000 -3 1…101 0 0…000 -3 1…101 -3 1…101
-1 1…111 3 0…011 3 0…011 -1 1…111 -4 1…100
-1 1…111 2 0…010 2 0…010 -1 1…111 -3 1…101
-1 1…111 1 0…001 1 0…001 -1 1…111 -2 1…110
-1 1…111 0 0…000 0 0…000 -1 1…111 -1 1…111
-1 1…111 -1 1…111 -1 1…111 -1 1…111 0 0…000
-1 1…111 -2 1…110 -2 1…110 -1 1…111 1 0…001
-1 1…111 -3 1…101 -3 1…101 -1 1…111 2 0…010
-2 1…110 3 0…011 2 0…010 -1 1…111 -3 1…101
-2 1…110 2 0…010 2 0…010 -2 1…110 -4 1…100
-2 1…110 1 0…001 0 0…000 -1 1…111 -1 1…111
-2 1…110 0 0…000 0 0…000 -2 1…110 -2 1…110
-2 1…110 -1 1…111 -2 1…110 -1 1…111 1 0…001
-2 1…110 -2 1…110 -2 1…110 -2 1…110 0 0…000
-2 1…110 -3 1…101 -4 1…100 -1 1…111 3 0…011
-3 1…101 3 0…011 1 0…001 -1 1…111 -2 1…110
-3 1…101 2 0…010 0 0…000 -1 1…111 -1 1…111
-3 1…101 1 0…001 1 0…001 -3 1…101 -4 1…100
-3 1…101 0 0…000 0 0…000 -3 1…101 -3 1…101
-3 1…101 -1 1…111 -3 1…101 -1 1…111 2 0…010
-3 1…101 -2 1…110 -4 1…100 -1 1…111 3 0…011
-3 1…101 -3 1…101 -3 1…101 -3 1…101 0 0…000
Value Value (Binary) “BITNOT” “BITNOT” (Binary)
3 0…011 -4 1…100
2 0…010 -3 1…101
1 0…001 -2 1…110
0 0…000 -1 1…111
-1 1…111 0 0…000
-2 1…110 1 0…001
-3 1…101 2 0…010

Last update: Nov 14, 2024   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo, Kenneth Barber,

Microsoft documentation: https://docs.microsoft.com/en-us/dax/bitor-function-dax

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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.

Iterator

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.

Deprecated

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

Volatile

A volatile function may return a different result every time you call it, even if you provide the same arguments. Click to read more.

Deprecated

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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