abstract class OutputWriterFactory extends Serializable
A factory that produces OutputWriters. A new OutputWriterFactory is created on driver side for each write job issued when writing to a HadoopFsRelation, and then gets serialized to executor side to create actual OutputWriters on the fly.
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- new OutputWriterFactory()
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- abstract def getFileExtension(context: TaskAttemptContext): String
Returns the file extension to be used when writing files out.
- abstract def newInstance(path: String, dataSchema: StructType, context: TaskAttemptContext): OutputWriter
When writing to a HadoopFsRelation, this method gets called by each task on executor side to instantiate new OutputWriters.
When writing to a HadoopFsRelation, this method gets called by each task on executor side to instantiate new OutputWriters.
- path
Path to write the file.
- dataSchema
Schema of the rows to be written. Partition columns are not included in the schema if the relation being written is partitioned.
- context
The Hadoop MapReduce task context.
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