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  1. Spark
  2. SPARK-19420

Confusing error message when using outer join on two large tables

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Incomplete
    • Affects Version/s: 2.1.0
    • Fix Version/s: None
    • Component/s: SQL
    • Labels:

      Description

      When users use the outer joins where both sides of the tables are too large to be broadcasted, Spark will still select `BroadcastNestedLoopJoin`. CROSS JOIN syntax is unable to cover the scenario of outer join, but we still issue the following error message:

      Use the CROSS JOIN syntax to allow cartesian products between these relations
      

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            • Assignee:
              smilegator Xiao Li
              Reporter:
              smilegator Xiao Li
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              • Created:
                Updated:
                Resolved: