shardulm94 commented on a change in pull request #31597:
URL: https://github.com/apache/spark/pull/31597#discussion_r581253175
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File path:
core/src/main/scala/org/apache/spark/serializer/GenericAvroSerializer.scala
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@@ -44,8 +44,8 @@ import org.apache.spark.util.Utils
* string representation of the Avro schema, used to decrease
the amount of data
* that needs to be serialized.
*/
-private[serializer] class GenericAvroSerializer(schemas: Map[Long, String])
- extends KSerializer[GenericRecord] {
+private[serializer] class GenericAvroSerializer[D >: Null <: GenericContainer]
Review comment:
We need to pass in a null at
https://github.com/apache/spark/blob/735246119836f20811c67193f778246e1157e63e/core/src/main/scala/org/apache/spark/serializer/GenericAvroSerializer.scala#L155
where the compiler expects `D`. Without the lower bound, the Scala compiler
won't let me do that.
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