dongjoon-hyun commented on a change in pull request #25419: [SPARK-28698][SQL]
Support user-specified output schema in `to_avro`
URL: https://github.com/apache/spark/pull/25419#discussion_r313087678
##########
File path:
external/avro/src/main/scala/org/apache/spark/sql/avro/CatalystDataToAvro.scala
##########
@@ -19,19 +19,24 @@ package org.apache.spark.sql.avro
import java.io.ByteArrayOutputStream
+import org.apache.avro.Schema
import org.apache.avro.generic.GenericDatumWriter
import org.apache.avro.io.{BinaryEncoder, EncoderFactory}
import org.apache.spark.sql.catalyst.expressions.{Expression, UnaryExpression}
import org.apache.spark.sql.catalyst.expressions.codegen.{CodegenContext,
ExprCode}
import org.apache.spark.sql.types.{BinaryType, DataType}
-case class CatalystDataToAvro(child: Expression) extends UnaryExpression {
+case class CatalystDataToAvro(
+ child: Expression,
+ jsonFormatSchema: Option[String]) extends UnaryExpression {
Review comment:
Can we have a default value `None`?
```scala
- jsonFormatSchema: Option[String]) extends UnaryExpression {
+ jsonFormatSchema: Option[String] = None) extends UnaryExpression {
```
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