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Showing posts with the label Pyspark Sql
Pyspark, Compare Two Rows In Dataframe

Pyspark, Compare Two Rows In Dataframe

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I'm attempting to compare one row in a dataframe with the next to see the difference in timesta… Read more Pyspark, Compare Two Rows In Dataframe
Selecting Empty Array Values From A Spark Dataframe

Selecting Empty Array Values From A Spark Dataframe

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Given a DataFrame with the following rows: rows = [ Row(col1='abc', col2=[8], col3=[18]… Read more Selecting Empty Array Values From A Spark Dataframe
Best Way To Get Null Counts, Min And Max Values Of Multiple (100+) Columns From A Pyspark Dataframe

Best Way To Get Null Counts, Min And Max Values Of Multiple (100+) Columns From A Pyspark Dataframe

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Say I have a list of column names and they all exist in the dataframe Cols = ['A', 'B&… Read more Best Way To Get Null Counts, Min And Max Values Of Multiple (100+) Columns From A Pyspark Dataframe
Pyspark Numeric Window Group By

Pyspark Numeric Window Group By

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I'd like to be able to have Spark group by a step size, as opposed to just single values. Is th… Read more Pyspark Numeric Window Group By
How To Cast String To Arraytype Of Dictionary (json) In Pyspark

How To Cast String To Arraytype Of Dictionary (json) In Pyspark

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Trying to cast StringType to ArrayType of JSON for a dataframe generated form CSV. Using pyspark on… Read more How To Cast String To Arraytype Of Dictionary (json) In Pyspark
Identify Partition Key Column From A Table Using Pyspark

Identify Partition Key Column From A Table Using Pyspark

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I need help to find the unique partitions column names for a Hive table using PySpark. The table mi… Read more Identify Partition Key Column From A Table Using Pyspark