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LaurentThiebaud
New Contributor
since ‎08-27-2021
‎06-26-2023

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Sort within a groupBy with dataframe

10-07-2019
Using Spark DataFrame, eg. myDf .filter(col("timestamp").gt(15000)) .groupBy("groupingKey") .agg(collect_list("aDoubleValue")) I want the collect_list to return the result, but ordered according to "timestamp". i.a. I want the GroupBy results...