Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/15819#discussion_r90782492
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/InsertIntoHiveTable.scala
---
@@ -54,6 +61,61 @@ case class InsertIntoHiveTable(
@transient private lazy val hiveContext = new Context(sc.hiveconf)
@transient private lazy val catalog = sc.catalog
+ val stagingDir = new HiveConf().getVar(HiveConf.ConfVars.STAGINGDIR)
+
+ private def executionId: String = {
+ val rand: Random = new Random
+ val format: SimpleDateFormat = new
SimpleDateFormat("yyyy-MM-dd_HH-mm-ss_SSS")
+ val executionId: String = "hive_" + format.format(new Date) + "_" +
Math.abs(rand.nextLong)
+ return executionId
+ }
+
+ private def getStagingDir(inputPath: Path, hadoopConf: Configuration):
Path = {
+ val inputPathUri: URI = inputPath.toUri
+ val inputPathName: String = inputPathUri.getPath
+ val fs: FileSystem = inputPath.getFileSystem(hadoopConf)
+ val stagingPathName: String =
+ if (inputPathName.indexOf(stagingDir) == -1) {
+ new Path(inputPathName, stagingDir).toString
+ } else {
+ inputPathName.substring(0, inputPathName.indexOf(stagingDir) +
stagingDir.length)
+ }
+ val dir: Path =
+ fs.makeQualified(
+ new Path(stagingPathName + "_" + executionId + "-" +
TaskRunner.getTaskRunnerID))
+ logDebug("Created staging dir = " + dir + " for path = " + inputPath)
+ try {
+ if (!FileUtils.mkdir(fs, dir, true, hadoopConf)) {
+ throw new IllegalStateException("Cannot create staging directory
'" + dir.toString + "'")
+ }
+ fs.deleteOnExit(dir)
+ }
+ catch {
+ case e: IOException =>
+ throw new RuntimeException(
--- End diff --
Almost all the codes in this PR are copied from the existing master. This
PR is just for branch 1.6
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