Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/21935#discussion_r206747243 --- Diff: external/avro/src/main/scala/org/apache/spark/sql/avro/AvroDeserializer.scala --- @@ -71,7 +72,15 @@ class AvroDeserializer(rootAvroType: Schema, rootCatalystType: DataType) { private def newWriter( avroType: Schema, catalystType: DataType, - path: List[String]): (CatalystDataUpdater, Int, Any) => Unit = + path: List[String]): (CatalystDataUpdater, Int, Any) => Unit = { + (avroType.getLogicalType, catalystType) match { --- End diff -- Can we do this like: ```scala case (LONG, TimestampType) => avroType.getLogicalType match { case _: TimestampMillis => (updater, ordinal, value) => updater.setLong(ordinal, value.asInstanceOf[Long] * 1000) case _: TimestampMicros => (updater, ordinal, value) => updater.setLong(ordinal, value.asInstanceOf[Long]) case _ => (updater, ordinal, value) => updater.setLong(ordinal, value.asInstanceOf[Long] * 1000) } ``` ? Looks they have Avro long type anyway. Thought it's better to read and actually safer and correct.
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