HeartSaVioR commented on a change in pull request #31638:
URL: https://github.com/apache/spark/pull/31638#discussion_r584216596
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/FileStreamSink.scala
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@@ -40,17 +41,31 @@ object FileStreamSink extends Logging {
* be read.
*/
def hasMetadata(path: Seq[String], hadoopConf: Configuration, sqlConf:
SQLConf): Boolean = {
- path match {
- case Seq(singlePath) =>
- val hdfsPath = new Path(singlePath)
- val fs = hdfsPath.getFileSystem(hadoopConf)
- if (fs.isDirectory(hdfsPath)) {
- val metadataPath = getMetadataLogPath(fs, hdfsPath, sqlConf)
- fs.exists(metadataPath)
- } else {
- false
- }
- case _ => false
+ if (sqlConf.getConf(SQLConf.FILE_SINK_FORMAT_CHECK_ENABLED)) {
Review comment:
I think this can be simplified after checking "`isDirectory()` and
`exists()` work with glob path?".
If these methods don't support glob path (and I expect they don't), we can
check glob path in prior instead of dealing with exception. That would also
removes the necessary of context to know "these methods can fail when the path
is glob and the path is too long".
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