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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2018/04/09 07:02:00 UTC

[jira] [Created] (SPARK-23935) High-order function: map_entries(map) → array>

Xiao Li created SPARK-23935:
-------------------------------

             Summary: High-order function: map_entries(map<K, V>) → array<row<K,V>>
                 Key: SPARK-23935
                 URL: https://issues.apache.org/jira/browse/SPARK-23935
             Project: Spark
          Issue Type: Sub-task
          Components: SQL
    Affects Versions: 2.3.0
            Reporter: Xiao Li


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

Returns an array of all entries in the given map.
{noformat}
SELECT map_entries(MAP(ARRAY[1, 2], ARRAY['x', 'y'])); -- [ROW(1, 'x'), ROW(2, 'y')]
{noformat}



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