leonardBang commented on a change in pull request #15485: URL: https://github.com/apache/flink/pull/15485#discussion_r607480013
########## File path: flink-table/flink-table-common/src/main/java/org/apache/flink/table/api/TableSchema.java ########## @@ -519,18 +520,19 @@ private static void validateColumnsAndWatermarkSpecs( String.format( "Rowtime attribute '%s' is not defined in schema.", rowtimeAttribute))); - if (rowtimeType.getTypeRoot() != TIMESTAMP_WITHOUT_TIME_ZONE) { + if (!(rowtimeType.getTypeRoot() == LogicalTypeRoot.TIMESTAMP_WITH_LOCAL_TIME_ZONE + || rowtimeType.getTypeRoot() == LogicalTypeRoot.TIMESTAMP_WITHOUT_TIME_ZONE)) { throw new ValidationException( String.format( - "Rowtime attribute '%s' must be of type TIMESTAMP but is of type '%s'.", + "Rowtime attribute '%s' must be of type TIMESTAMP or TIMESTAMP_LTZ but is of type '%s'.", rowtimeAttribute, rowtimeType)); } LogicalType watermarkOutputType = watermark.getWatermarkExprOutputType().getLogicalType(); - if (watermarkOutputType.getTypeRoot() != TIMESTAMP_WITHOUT_TIME_ZONE) { + if (!supportedWatermarkType(watermarkOutputType)) { Review comment: I think we can keep current check logic which can pass TIMESTAMP with any precision, LogicalType quality considered the precision which will break compatibility. -- 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