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  1. Spark
  2. SPARK-23899 Built-in SQL Function Improvement
  3. SPARK-23736

High-order function: concat(array1, array2, ..., arrayN) → array

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    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 2.4.0
    • 2.4.0
    • SQL
    • None

    Description

      Extend the concat function to also support array columns.

      Example:

      concat(array(1, 2, 3), array(10, 20, 30), array(100, 200)) => [1, 2, 3,10, 20, 30,100, 200] 

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            mn-mikke Marek Novotny
            mn-mikke Marek Novotny
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