Reynold Xin created SPARK-8005:
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Summary: Support INPUT__FILE__NAME virtual column
Key: SPARK-8005
URL: https://issues.apache.org/jira/browse/SPARK-8005
Project: Spark
Issue Type: Sub-task
Reporter: Reynold Xin
INPUT__FILE__NAME: input file name.
One way to do this is to do it through a thread local variable in the
SqlNewHadoopRDD.scala, and read that thread local variable in an expression.
(similar to SparkPartitionID expression)
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