Gabor Kaszab created IMPALA-9508:
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Summary: map_keys() and map_values() functions for map complex type
Key: IMPALA-9508
URL: https://issues.apache.org/jira/browse/IMPALA-9508
Project: IMPALA
Issue Type: New Feature
Reporter: Gabor Kaszab
Hive supports these functions. Let's implement them for Impala as well.
[https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF]
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