zsxwing 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_r312267723
##########
File path:
external/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/KafkaOffsetReader.scala
##########
@@ -432,4 +441,42 @@ private[kafka010] object KafkaOffsetReader {
StructField("timestamp", TimestampType),
StructField("timestampType", IntegerType)
))
+
+ val schemaWithHeaders = {
+ new StructType(schemaWithoutHeaders.fields :+ StructField("headers",
headersType))
+ }
+
+ def kafkaSchema(includeHeaders: Boolean): StructType = {
+ if (includeHeaders) schemaWithHeaders else schemaWithoutHeaders
+ }
+
+ def toInternalRowWithoutHeaders: Record => InternalRow =
+ (cr: Record) => InternalRow(
+ cr.key, cr.value, UTF8String.fromString(cr.topic), cr.partition,
cr.offset,
+ DateTimeUtils.fromJavaTimestamp(new java.sql.Timestamp(cr.timestamp)),
cr.timestampType.id
+ )
+
+ def toInternalRowWithHeaders: Record => InternalRow =
Review comment:
ditto
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