PARTITIONBY DAX Function (Filter)

The columns used to determine how to partition the data. Can only be used within a Window function.

Syntax

PARTITIONBY ( [<PartitionBy_ColumnName> [, <PartitionBy_ColumnName> [, … ] ] ] )
Parameter Attributes Description
PartitionBy_ColumnName Optional
Repeatable

The name of an existing column to be used to partition the window function’s Relation.

Return values

This function does not return a value.

Remarks

This function can only be used within a window function expression (INDEX, OFFSET, WINDOW).

Related functions

Other related functions are:

Last update: Jan 31, 2023   » Contribute   » Show contributors

Contributors: Alberto Ferrari, Marco Russo

Microsoft documentation: https://learn.microsoft.com/en-us/dax/partitionby-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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