Details
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Improvement
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Status: Open
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Major
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Resolution: Unresolved
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1.18.0
Description
map_from_entries(map) - Returns a map created from an arrays of row with two fields. Note that the number of fields in a row array should be 2 and the key of a row array should not be null.
Syntax:
map_from_entries(array_of_rows)
Arguments:
array_of_rows: an arrays of row with two fields.
Returns:
Returns a map created from an arrays of row with two fields. Note that the number of fields in a row array should be 2 and the key of a row array should not be null.
Returns null if the argument is null
> SELECT map_from_entries(map[1, 'a', 2, 'b']); [(1,"a"),(2,"b")]
See also
presto https://prestodb.io/docs/current/functions/map.html
spark https://spark.apache.org/docs/latest/api/sql/index.html#map_from_entries
Attachments
Issue Links
- is a child of
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FLINK-22484 Built-in functions for collections
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- Reopened
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- links to