Github user twalthr commented on a diff in the pull request: https://github.com/apache/flink/pull/5662#discussion_r173863375 --- Diff: flink-connectors/flink-connector-kafka-base/src/test/java/org/apache/flink/streaming/connectors/kafka/KafkaJsonTableSourceFactoryTestBase.java --- @@ -89,9 +94,10 @@ private void testTableSource(FormatDescriptor format) { // construct table source using a builder final Map<String, String> tableJsonMapping = new HashMap<>(); + tableJsonMapping.put("name", "name"); --- End diff -- The question is what should a rowtime attribute field (or a custom extractor) reference? The input or the current schema? I think it should reference the input thus all fields (even the renamed ones) need to be present in the mapping.
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