[IMPALA-9508] map_keys() and map_values() functions for map complex type

• Type: New Feature
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: Backend
• Labels: complextype
• Epic Link: UDF support for complex types
• Epic Color: ghx-label-14
• Assignee: Unassigned
• Reporter: Gabor Kaszab
• Created: 16/Mar/20 13:27
• Updated: 23/Dec/20 01:45

Description

Hive supports these functions. Let's implement them for Impala as well.

https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF