snuyanzin commented on code in PR #21958:
URL: https://github.com/apache/flink/pull/21958#discussion_r1109698642
##########
docs/data/sql_functions.yml:
##########
@@ -617,6 +617,9 @@ collection:
- sql: ARRAY_DISTINCT(haystack)
table: haystack.arrayDistinct()
description: Returns an array with unique elements. If the array itself is
null, the function will return null. Keeps ordering of elements.
+ - sql: ARRAY_UNION(array1, array2)
+ table: haystack.arrayUnion(array)
+ description: Returns an array of the elements in the union of array1 and
array2, without duplicates. If both of the array are null, the function will
return null.
Review Comment:
From the description it is not clear what happens if only one array is `null`
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
