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From lw-lin <...@git.apache.org>
Subject [GitHub] spark pull request #13575: [SPARK-15472][SQL] Add support for writing in `cs...
Date Thu, 09 Jun 2016 15:48:02 GMT
Github user lw-lin commented on a diff in the pull request:

    https://github.com/apache/spark/pull/13575#discussion_r66467191
  
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/text/TextFileFormat.scala
---
    @@ -120,24 +109,31 @@ class TextFileFormat extends FileFormat with DataSourceRegister
{
           }
         }
       }
    +
    +  override def buildWriter(
    +      sqlContext: SQLContext,
    +      dataSchema: StructType,
    +      options: Map[String, String]): OutputWriterFactory = {
    +    verifySchema(dataSchema)
    +    new StreamingTextOutputWriterFactory(
    +      sqlContext.conf,
    +      dataSchema,
    +      sqlContext.sparkContext.hadoopConfiguration,
    +      options)
    +  }
     }
     
    -class TextOutputWriter(path: String, dataSchema: StructType, context: TaskAttemptContext)
    +/**
    + * Base TextOutputWriter class for 'batch' TextOutputWriter and 'streaming' TextOutputWriter.
The
    + * writing logic to a single file resides in this base class.
    + */
    +private[text] abstract class TextOutputWriterBase(context: TaskAttemptContext)
    --- End diff --
    
    This `TextOutputWriterBase` is basically the original `TextOutputWriter`.


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