+1 vote
in Spark Sql by
To implement a custom untyped user-defined aggregation function, the user has to extend the which class

(i)None of the options

(ii)UserDefinedAggregateFunction

(iii)UDFAggregateFunction

(iv)UserDefinedFunction

1 Answer

0 votes
by

UserDefinedAggregateFunction 

Related questions

+1 vote
asked Jun 30, 2019 in Spark Sql by anonymous
0 votes
asked Mar 27, 2023 in Azure by john ganales
...