Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/16910#discussion_r103143673
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala ---
@@ -114,22 +116,34 @@ class HadoopTableReader(
val tablePath = hiveTable.getPath
val inputPathStr = applyFilterIfNeeded(tablePath, filterOpt)
- // logDebug("Table input: %s".format(tablePath))
- val ifc = hiveTable.getInputFormatClass
- .asInstanceOf[java.lang.Class[InputFormat[Writable, Writable]]]
- val hadoopRDD = createHadoopRdd(tableDesc, inputPathStr, ifc)
+ val locationPath = new Path(inputPathStr)
+ val fs = locationPath.getFileSystem(broadcastedHadoopConf.value.value)
- val attrsWithIndex = attributes.zipWithIndex
- val mutableRow = new SpecificInternalRow(attributes.map(_.dataType))
+ // if the location of the table which is not created by 'stored by'
does not exist,
+ // return an empty RDD
+ // TODO: after SparkSQL supports 'stored by', we should check if this
condition
+ // is still proper.
+ val storageHandler =
hiveTable.getParameters.getOrDefault(STORAGE_HANDLER_KEY, null)
--- End diff --
Replace `STORAGE_HANDLER_KEY ` by `META_TABLE_STORAGE`, which has been
defined in `hive_metastoreConstants`
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