liuyongvs commented on code in PR #22917: URL: https://github.com/apache/flink/pull/22917#discussion_r1247882251
########## flink-table/flink-table-common/src/main/java/org/apache/flink/table/types/inference/strategies/SpecificTypeStrategies.java: ########## @@ -58,8 +58,12 @@ public final class SpecificTypeStrategies { /** See {@link ArrayTypeStrategy}. */ public static final TypeStrategy ARRAY = new ArrayTypeStrategy(); - /** See {@link ArrayElementOutputTypeStrategy}. */ - public static final TypeStrategy ARRAY_ELEMENT = new ArrayElementOutputTypeStrategy(); + /** Type strategy specific for array element. */ + public static final TypeStrategy ARRAY_ELEMENT = + callContext -> + Optional.of( Review Comment: @hanyuzheng7 why has problem. I removed this class. The element type is force nullable -- 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