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Showing posts with the label Apache Spark Sql
Read Json File As Pyspark Dataframe Using Pyspark?

Read Json File As Pyspark Dataframe Using Pyspark?

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How can I read the following JSON structure to spark dataframe using PySpark? My JSON structure {&#… Read more Read Json File As Pyspark Dataframe Using Pyspark?
Spark - Set Null When Column Not Exist In Dataframe

Spark - Set Null When Column Not Exist In Dataframe

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I'm loading many versions of JSON files to spark DataFrame. some of the files holds columns A,B… Read more Spark - Set Null When Column Not Exist In Dataframe
How To Read Csv File With Additional Comma In Quotes Using Pyspark?

How To Read Csv File With Additional Comma In Quotes Using Pyspark?

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I am having some troubles reading the following CSV data in UTF-16: FullName, FullLabel, Type TEST.… Read more How To Read Csv File With Additional Comma In Quotes Using Pyspark?
How To Use To_json And From_json To Eliminate Nested Structfields In Pyspark Dataframe?

How To Use To_json And From_json To Eliminate Nested Structfields In Pyspark Dataframe?

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This solution in theory, works perfectly for what I need, which is to create a new copied version o… Read more How To Use To_json And From_json To Eliminate Nested Structfields In Pyspark Dataframe?
Removing Duplicate Columns After A Df Join In Spark

Removing Duplicate Columns After A Df Join In Spark

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When you join two DFs with similar column names: df = df1.join(df2, df1['id'] == df2['i… Read more Removing Duplicate Columns After A Df Join In Spark
Hourly Aggregation In Pyspark

Hourly Aggregation In Pyspark

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I'm looking for a way to aggregate by hour my data. I want firstly to keep only hours in my evt… Read more Hourly Aggregation In Pyspark