CodingCat commented on a change in pull request #30972:
URL: https://github.com/apache/spark/pull/30972#discussion_r550011892
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/csv/CsvOutputWriter.scala
##########
@@ -47,3 +50,15 @@ class CsvOutputWriter(
override def close(): Unit = gen.close()
}
+
+object CsvOutputWriter {
+
+ def createUnivocityGenerator(
+ maxLength: Int,
+ writer: OutputStreamWriter,
+ dataSchema: StructType,
+ params: CSVOptions): UnivocityGenerator = this.synchronized {
Review comment:
intentionally to be synchronized as StringCache is singleton....
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