Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/21909#discussion_r211045699
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/json/JsonDataSource.scala
---
@@ -223,7 +224,8 @@ object MultiLineJsonDataSource extends JsonDataSource {
input => parser.parse[InputStream](input, streamParser,
partitionedFileString),
parser.options.parseMode,
schema,
- parser.options.columnNameOfCorruptRecord)
+ parser.options.columnNameOfCorruptRecord,
+ optimizeEmptySchema = false)
--- End diff --
Could we rename `optimizeEmptySchema ` to `isMultiLine`?
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