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Showing posts with the label Apache Spark Sql
Add Column To Pyspark Dataframe Based On A Condition

Add Column To Pyspark Dataframe Based On A Condition

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My data.csv file has three columns like given below. I have converted this file to python spark dat… Read more Add Column To Pyspark Dataframe Based On A Condition
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
Pyspark - Append Previous And Next Row To Current Row

Pyspark - Append Previous And Next Row To Current Row

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Let's say I have a PySpark data frame like so: 1 0 1 0 0 0 1 1 0 1 0 1 How can I append the la… Read more Pyspark - Append Previous And Next Row To Current Row
How To Make An Integer Index Row?

How To Make An Integer Index Row?

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I have a DataFrame: +-----+--------+---------+ | usn|log_type|item_code| +-----+--------+--------… Read more How To Make An Integer Index Row?
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
In Pyspark Is There Any Way To Dynamically Register Udf Using Functions Of Python Class Given At Run Time?

In Pyspark Is There Any Way To Dynamically Register Udf Using Functions Of Python Class Given At Run Time?

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I am new to Python, so apologizing if there is any mistake in my approach I have a scenario where c… Read more In Pyspark Is There Any Way To Dynamically Register Udf Using Functions Of Python Class Given At Run Time?