blcksrx commented on a change in pull request #31771:
URL: https://github.com/apache/spark/pull/31771#discussion_r589282487
##########
File path:
external/avro/src/main/scala/org/apache/spark/sql/avro/functions.scala
##########
@@ -65,6 +68,31 @@ object functions {
new Column(AvroDataToCatalyst(data.expr, jsonFormatSchema,
options.asScala.toMap))
}
+ /**
+ * Converts a binary column of Avro format into its corresponding catalyst
value.
+ * The specified subject must match actual schema of the read data,
otherwise the behavior
+ * is undefined: it may fail or return arbitrary result.
+ * To deserialize the data with a compatible and evolved schema, the
expected Avro schema can be
+ * set via the option avroSchema.
+ *
+ * @param data the binary column.
+ * @param subject the subject name in the schema-registry. eg. topic: t,
key: t-key value: t-value
+ * @param schemaRegistryUri address of the schema-registry url
+ *
+ * @since 3.0.0
+ */
+ @throws(classOf[java.io.IOException])
+ @Experimental
+ def from_avro(
+ data: Column,
+ subject: String,
+ schemaRegistryUri: String): Column = {
Review comment:
Cool, Okay.
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