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[SPARK-13509][SPARK-13507][SQL] Support for writing CSV with a single function call
https://issues.apache.org/jira/browse/SPARK-13507 https://issues.apache.org/jira/browse/SPARK-13509 ## What changes were proposed in this pull request? This PR adds the support to write CSV data directly by a single call to the given path. Several unitests were added for each functionality. ## How was this patch tested? This was tested with unittests and with `dev/run_tests` for coding style Author: hyukjinkwon <gurwls223@gmail.com> Author: Hyukjin Kwon <gurwls223@gmail.com> Closes #11389 from HyukjinKwon/SPARK-13507-13509.
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- python/pyspark/sql/readwriter.py 50 additions, 0 deletionspython/pyspark/sql/readwriter.py
- python/test_support/sql/ages.csv 4 additions, 0 deletionspython/test_support/sql/ages.csv
- sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala 23 additions, 0 deletions...src/main/scala/org/apache/spark/sql/DataFrameWriter.scala
- sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/json/JSONOptions.scala 1 addition, 4 deletions...he/spark/sql/execution/datasources/json/JSONOptions.scala
- sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/text/DefaultSource.scala 1 addition, 4 deletions.../spark/sql/execution/datasources/text/DefaultSource.scala
- sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/csv/CSVSuite.scala 1 addition, 2 deletions...apache/spark/sql/execution/datasources/csv/CSVSuite.scala
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