Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/5059#discussion_r26635635
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala ---
@@ -142,7 +142,39 @@ class HadoopTableReader(
partitionToDeserializer: Map[HivePartition,
Class[_ <: Deserializer]],
filterOpt: Option[PathFilter]): RDD[Row] = {
- val hivePartitionRDDs = partitionToDeserializer.map { case (partition,
partDeserializer) =>
+ // SPARK-5068:get FileStatus and do the filtering locally when the
path is not exists
+
+ var existPathSet =collection.mutable.Set[String]()
+ var pathPatternSet = collection.mutable.Set[String]()
+
+ val hivePartitionRDDs = partitionToDeserializer.filter {
+ case (partition, partDeserializer) =>
+
+ def updateExistPathSetByPathPattern(pathPatternStr:String ){
+ val pathPattern = new Path(pathPatternStr)
+ val fs = pathPattern.getFileSystem(sc.hiveconf)
+ val matchs = fs.globStatus(pathPattern);
+ matchs.map( fileStatus =>(existPathSet+=
fileStatus.getPath.toString))
+ }
+ // convert /demo/data/year/month/day to /demo/data/**/**/**/
+ def getPathPatternByPath(parNum:Int,tpath:Path):String = {
+ var path = tpath
+ for (i <- (1 to parNum)) { path = path.getParent }
+ val tails = (1 to parNum).map(_ => "*").mkString("/","/","/")
+ path.toString + tails
+ }
+
+ val partPath = HiveShim.getDataLocationPath(partition)
+ val partNum =
Utilities.getPartitionDesc(partition).getPartSpec.size();
+ var pathPatternStr = getPathPatternByPath(partNum,partPath)
+ if(!pathPatternSet.contains(pathPatternStr)){
--- End diff --
space after if
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