Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/18875#discussion_r138228117
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/json/JacksonGenerator.scala
---
@@ -193,14 +223,35 @@ private[sql] class JacksonGenerator(
*
* @param row The row to convert
*/
- def write(row: InternalRow): Unit = writeObject(writeFields(row, schema,
rootFieldWriters))
+ def write(row: InternalRow): Unit = {
+ writeObject(writeFields(
+ fieldWriters = rootFieldWriters,
+ row = row,
+ schema = dataType.asInstanceOf[StructType]))
+ }
+
+
+ /**
+ * Transforms multiple `InternalRow`s or `MapData`s to JSON array using
Jackson
+ *
+ * @param array The array of rows or maps to convert
+ */
+ def write(array: ArrayData): Unit = writeArray(writeArrayData(
+ fieldWriter = arrElementWriter,
+ array = array
+ ))
--- End diff --
Let's change this one back to:
```scala
def write(array: ArrayData): Unit = writeArray(writeArrayData(array,
arrElementWriter))
```
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