cloud-fan commented on a change in pull request #29476:
URL: https://github.com/apache/spark/pull/29476#discussion_r473791927
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File path:
external/avro/src/main/scala/org/apache/spark/sql/avro/SchemaConverters.scala
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@@ -37,16 +38,25 @@ object SchemaConverters {
private lazy val nullSchema = Schema.create(Schema.Type.NULL)
+ /**
+ * Internal wrapper for SQL data type and nullability.
+ *
+ * @since 2.4
+ */
+ @DeveloperApi
case class SchemaType(dataType: DataType, nullable: Boolean)
/**
- * This function takes an avro schema and returns a sql schema.
+ * Converts an Avro schema to a corresponding Spark SQL schema.
+ *
+ * @since 2.4
*/
+ @DeveloperApi
Review comment:
I think so. We just need to mark the object.
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