Github user clockfly commented on a diff in the pull request:
https://github.com/apache/spark/pull/13531#discussion_r66533473
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/fileSourceInterfaces.scala
---
@@ -298,6 +309,28 @@ trait FileFormat {
}
/**
+ * The base class file format that is based on text file.
+ */
+abstract class TextBasedFileFormat extends FileFormat {
+ private var codecFactory: CompressionCodecFactory = null
+ override def isSplitable(
+ sparkSession: SparkSession,
+ options: Map[String, String],
+ path: Path): Boolean = {
+ if (codecFactory == null) {
+ synchronized {
--- End diff --
I am not sure we need "synchronized" here or not, do we want to ensure
FileFormat is thread safe?
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