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smpa01
Community Champion
Community Champion

Converting Fabric dataframe to spark dataframe

How can I convert a sempy.fabric.fabricdataframe to spark df?

The following does not work

 

dataset = (fabric
            .evaluate_dax(workspace= server,
            dataset=db,
            dax_string=query_string)
    ).to_pandas()


AttributeError: 'FabricDataFrame' object has no attribute 'to_pandas()'

 

 


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frithjof_v
Community Champion
Community Champion

 

dataset = (fabric
            .evaluate_dax(workspace= server,
            dataset=db,
            dax_string=query_string)
    )

spark_df = spark.createDataFrame(dataset)

 

 

This works for me.

 

I think you can treat the Fabric dataframe as a Pandas dataframe, and convert it to a Spark dataframe the same way you would convert a Pandas dataframe to a Spark dataframe. 

 

https://learn.microsoft.com/en-us/fabric/data-science/semantic-link-overview#fabricdataframe-data-st...

 

"
The FabricDataFrame class:

  • Supports all pandas operations.
  • Subclasses the pandas DataFrame and adds metadata, such as semantic information and lineage.
  • (...)

"

View solution in original post

2 REPLIES 2
frithjof_v
Community Champion
Community Champion

 

dataset = (fabric
            .evaluate_dax(workspace= server,
            dataset=db,
            dax_string=query_string)
    )

spark_df = spark.createDataFrame(dataset)

 

 

This works for me.

 

I think you can treat the Fabric dataframe as a Pandas dataframe, and convert it to a Spark dataframe the same way you would convert a Pandas dataframe to a Spark dataframe. 

 

https://learn.microsoft.com/en-us/fabric/data-science/semantic-link-overview#fabricdataframe-data-st...

 

"
The FabricDataFrame class:

  • Supports all pandas operations.
  • Subclasses the pandas DataFrame and adds metadata, such as semantic information and lineage.
  • (...)

"

Liked the 1-liner; took a longer route which I can happily discard

# data_as_dict = dataset.to_dict()
# columns = dataset.columns

# flattened_rows = [Row(**{col: data_as_dict[col][i] for col in columns}) for i in range(len(data_as_dict[columns[0]]))]

 


========================
Did I answer your question? Mark my post as a solution!
Proud to be a Super User
My Custom Visualization Projects
• Plotting Live Sound: Live Sound
• Beautiful News: Women in Parliament, Energy Mix, Shrinking Armies
• Visual Capitalist: Working Hrs
• Others: Easing Graph, Animated Calendar
MayViz Submissions
• Week 1: View
• Week 2: View
• Week 3: View
• Week 4: View
========================

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