JingsongLi commented on a change in pull request #13306: URL: https://github.com/apache/flink/pull/13306#discussion_r483442277
########## File path: flink-formats/flink-orc/src/main/java/org/apache/flink/orc/OrcFileSystemFormatFactory.java ########## @@ -83,14 +96,227 @@ private static Properties getOrcProperties(ReadableConfig options) { return orcProperties; } + private boolean isUnaryValid(CallExpression callExpression) { Review comment: Yes, we can have a helper class `OrcFilters`, provides static helper methods. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org