[DRILL-7280] Support Hive UDFs for complex types

• Type: Sub-task
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: Functions - Drill, Functions - Hive
• Assignee: Unassigned
• Reporter: Igor Guzenko
• Created: 27/May/19 08:20
• Updated: 23/Mar/20 08:54

Description

Add support for Hive UDFs accepting or returning arrays: https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF . Some examples of such UDFs are: 

 

Hive UDF	Drill alternative
size(array)	repeated_count(array)
array_contains(array, value)	repeated_contains(array, value)
sort_array(arr_n_0)	NA
concat_ws(string SEP, array<string>)	NA

etc.