Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/12002#discussion_r57860229
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetRelation.scala
---
@@ -276,38 +276,26 @@ private[sql] class DefaultSource
file.getName == ParquetFileWriter.PARQUET_METADATA_FILE
}
- /**
- * Returns a function that can be used to read a single file in as an
Iterator of InternalRow.
- *
- * @param partitionSchema The schema of the partition column row that
will be present in each
- * PartitionedFile. These columns should be
prepended to the rows that
- * are produced by the iterator.
- * @param dataSchema The schema of the data that should be output for
each row. This may be a
- * subset of the columns that are present in the file
if column pruning has
- * occurred.
- * @param filters A set of filters than can optionally be used to reduce
the number of rows output
- * @param options A set of string -> string configuration options.
- * @return
- */
--- End diff --
This ScalaDoc duplicates the one in `FileFormat.buildReader()`.
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