Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/13531#discussion_r66478617
--- 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 {
+ if (codecFactory == null) {
+ codecFactory = new CompressionCodecFactory(
--- End diff --
There could be "io.compression.codecs" in options, it's used by getCodec().
Since all other APIs have that, it's better to have that here too.
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