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[SPARK-11967][SQL] Consistent use of varargs for multiple paths in DataFrameReader
This patch makes it consistent to use varargs in all DataFrameReader methods, including Parquet, JSON, text, and the generic load function. Also added a few more API tests for the Java API. Author: Reynold Xin <rxin@databricks.com> Closes #9945 from rxin/SPARK-11967.
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- python/pyspark/sql/readwriter.py 12 additions, 7 deletionspython/pyspark/sql/readwriter.py
- sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala 29 additions, 7 deletions...src/main/scala/org/apache/spark/sql/DataFrameReader.scala
- sql/core/src/test/java/test/org/apache/spark/sql/JavaDataFrameSuite.java 23 additions, 0 deletions...st/java/test/org/apache/spark/sql/JavaDataFrameSuite.java
- sql/core/src/test/resources/text-suite2.txt 1 addition, 0 deletionssql/core/src/test/resources/text-suite2.txt
- sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala 1 addition, 1 deletion.../src/test/scala/org/apache/spark/sql/DataFrameSuite.scala
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