srowen commented on a change in pull request #22282: [SPARK-23539][SS] Add
support for Kafka headers in Structured Streaming
URL: https://github.com/apache/spark/pull/22282#discussion_r322760293
##########
File path:
external/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/KafkaWriteTask.scala
##########
@@ -131,9 +145,26 @@ private[kafka010] abstract class KafkaRowWriter(
throw new IllegalStateException(s"${KafkaWriter.VALUE_ATTRIBUTE_NAME}
" +
s"attribute unsupported type ${t.catalogString}")
}
+ val headersExpression = inputSchema
+ .find(_.name == KafkaWriter.HEADERS_ATTRIBUTE_NAME).getOrElse(
+ Literal(CatalystTypeConverters.convertToCatalyst(null),
Review comment:
Should this be indented further?
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