olaky commented on code in PR #46280: URL: https://github.com/apache/spark/pull/46280#discussion_r1603191384
########## common/unsafe/src/main/java/org/apache/spark/sql/catalyst/util/CollationFactory.java: ########## @@ -36,11 +36,45 @@ * Provides functionality to the UTF8String object which respects defined collation settings. */ public final class CollationFactory { + + /** + * Identifier for single a collation. + */ + public static class CollationIdentifier { + public final String provider; + public final String name; + public final String version; Review Comment: Honestly not too familiar with how this is usually done in Java, but Optional would clearly express that the absence is not a bug (which a null often indicates) -- 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: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org