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_r322762231
##########
File path:
external/kafka-0-10-sql/src/main/scala/org/apache/spark/sql/kafka010/KafkaRelation.scala
##########
@@ -100,18 +102,14 @@ private[kafka010] class KafkaRelation(
// Create an RDD that reads from Kafka and get the (key, value) pair as
byte arrays.
val executorKafkaParams =
KafkaSourceProvider.kafkaParamsForExecutors(specifiedKafkaParams,
uniqueGroupId)
+ val toInternalRow = if (includeHeaders) {
+ converter.toInternalRowWithHeaders
+ } else {
+ converter.toInternalRowWithoutHeaders
+ }
val rdd = new KafkaSourceRDD(
sqlContext.sparkContext, executorKafkaParams, offsetRanges,
- pollTimeoutMs, failOnDataLoss).map { cr =>
- InternalRow(
- cr.key,
- cr.value,
- UTF8String.fromString(cr.topic),
- cr.partition,
- cr.offset,
- DateTimeUtils.fromJavaTimestamp(new java.sql.Timestamp(cr.timestamp)),
- cr.timestampType.id)
- }
+ pollTimeoutMs, failOnDataLoss).map(toInternalRow(_))
Review comment:
`.map(toInternalRow)`?
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