yanghua commented on a change in pull request #7365: [hotfix][docs] Fix typo and make improvement in User-defined Sources … URL: https://github.com/apache/flink/pull/7365#discussion_r244067194
########## File path: docs/dev/table/sourceSinks.md ########## @@ -285,7 +285,7 @@ NestedFieldsProjectableTableSource[T] { </div> </div> -* `projectNestedField(fields, nestedFields)`: Returns a *copy* of the `TableSource` with adjusted physical return type. Fields of the physical return type may be removed or reordered but their type must not be changed. The contract of this method is essentially the same as for the `ProjectableTableSource.projectFields()` method. In addition, the `nestedFields` parameter contains for each field index in the `fields` list, a list of paths to all nested fields that are accessed by the query. All other nested fields do not need to be read, parsed, and set in the records that are produced by the `TableSource`. **IMPORTANT** the types of the projected fields must not be changed but unused fields may be set to null or to a default value. +* `projectNestedField(fields, nestedFields)`: Returns a *copy* of the `TableSource` with adjusted physical return type. Fields of the physical return type may be removed or reordered but their type must not be changed. The contract of this method is essentially the same as for the `ProjectableTableSource.projectFields()` method. In addition, the `nestedFields` parameter contains for each field index in the `fields` list, a list of paths to all nested fields that are accessed by the query. All other nested fields do not need to be read, parsed, and set in the records that are produced by the `TableSource`. **IMPORTANT** the types of the projected fields must not be changed but unused fields may be set to `null` or to a default value. Review comment: OK, thank you for your clarification. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on 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 With regards, Apache Git Services