wenlong88 commented on a change in pull request #19188: URL: https://github.com/apache/flink/pull/19188#discussion_r832003274
########## File path: flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/functions/casting/ArrayToArrayCastRule.java ########## @@ -109,7 +110,7 @@ protected String generateCodeBlockInternal( private static String arrayElementType(LogicalType t) { if (t.isNullable()) { Review comment: IMO, CodeGenUtils.isPrimitiveNullable decides whether a primitiveType is nullable, if there is a type supports CodeGenUtils.isPrimitiveNullable = true in the future, we should use primitive type here. Maybe it is impossible to having such kind of type, you can ignore this comment. -- 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: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org