diff options
Diffstat (limited to 'sql')
| -rw-r--r-- | sql/core/src/main/scala/org/apache/spark/sql/parquet/ParquetTableOperations.scala | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sql/core/src/main/scala/org/apache/spark/sql/parquet/ParquetTableOperations.scala b/sql/core/src/main/scala/org/apache/spark/sql/parquet/ParquetTableOperations.scala index ffb732347d..1f4237d7ed 100644 --- a/sql/core/src/main/scala/org/apache/spark/sql/parquet/ParquetTableOperations.scala +++ b/sql/core/src/main/scala/org/apache/spark/sql/parquet/ParquetTableOperations.scala @@ -331,13 +331,21 @@ private[parquet] class AppendingParquetOutputFormat(offset: Int) // override to choose output filename so not overwrite existing ones override def getDefaultWorkFile(context: TaskAttemptContext, extension: String): Path = { - val taskId: TaskID = context.getTaskAttemptID.getTaskID + val taskId: TaskID = getTaskAttemptID(context).getTaskID val partition: Int = taskId.getId val filename = s"part-r-${partition + offset}.parquet" val committer: FileOutputCommitter = getOutputCommitter(context).asInstanceOf[FileOutputCommitter] new Path(committer.getWorkPath, filename) } + + // The TaskAttemptContext is a class in hadoop-1 but is an interface in hadoop-2. + // The signatures of the method TaskAttemptContext.getTaskAttemptID for the both versions + // are the same, so the method calls are source-compatible but NOT binary-compatible because + // the opcode of method call for class is INVOKEVIRTUAL and for interface is INVOKEINTERFACE. + private def getTaskAttemptID(context: TaskAttemptContext): TaskAttemptID = { + context.getClass.getMethod("getTaskAttemptID").invoke(context).asInstanceOf[TaskAttemptID] + } } /** |