1-out R UDF

User-defined function operator in R script

Input Properties

Property	Requirement	Type	Default	Description
R Source UDF Script	✓	Code (r)	`See template below`	Input your code here
Worker count	✓	Integer	1	Specify how many parallel workers to launch
Use Tuple API?	✓	Boolean	false	Check this box to use Tuple API, leave unchecked to use Table API
Columns		List	-	The columns of the source
↳ Attribute Name	✓	String	-
↳ Attribute Type	✓	string, integer, long, double, boolean, timestamp, binary, large_binary	-

Default Code Template

R Source UDF Script

# If using Table API:
# function() { 
#   return (data.frame(Column_Here = "Value_Here")) 
# }

# If using Tuple API:
# library(coro)
# coro::generator(function() {
#   yield (list(text= "hello world!"))
# })

Output Ports

Port	Mode
0	Set Snapshot

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