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  1. Spark
  2. SPARK-28600

the method agg of KeyValueGroupedDataset has 4 TypedColumn limits

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    • Type: Question
    • Status: Resolved
    • Priority: Minor
    • Resolution: Duplicate
    • Affects Version/s: 2.3.0
    • Fix Version/s: None
    • Component/s: Spark Core
    • Labels:
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      Description

       why has the method  agg of KeyValueGroupedDataset has 4 TypedColumn parameters limit?because performace?too much timing?in my case, it needs more than 4 agg metrics at the same time, so I only agg 4 metrics and join them by key, so the join waste time. so I wish the agg method had more than 4 TypedColumn parameters

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              • Assignee:
                Unassigned
                Reporter:
                zhouzach Zhou Zach
                Shepherd:
                Reynold Xin
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                  Updated:
                  Resolved: