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  1. Spark
  2. SPARK-23899 Built-in SQL Function Improvement
  3. SPARK-23936

High-order function: map_concat(map1<K, V>, map2<K, V>, ..., mapN<K, V>) → map<K,V>

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    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 2.3.0
    • 2.4.0
    • SQL
    • None

    Description

      Ref: https://prestodb.io/docs/current/functions/map.html

      Returns the union of all the given maps. If a key is found in multiple given maps, that key’s value in the resulting map comes from the last one of those maps.

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            bersprockets Bruce Robbins
            smilegator Xiao Li
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              Created:
              Updated:
              Resolved: