# Package org.apache.cassandra.hadoop.cql3

- Class Summary
  Class | Description
  --- | ---
  CqlBulkOutputFormat | The `CqlBulkOutputFormat` acts as a Hadoop-specific OutputFormat that allows reduce tasks to store keys (and corresponding bound variable values) as CQL rows (and respective columns) in a given table.
  CqlBulkOutputFormat.NullOutputCommitter |
  CqlBulkRecordWriter | The `CqlBulkRecordWriter` maps the output <key, value> pairs to a Cassandra column family.
  CqlBulkRecordWriter.ExternalClient |
  CqlBulkRecordWriter.NullOutputHandler |
  CqlConfigHelper |
  CqlInputFormat | Hadoop InputFormat allowing map/reduce against Cassandra rows within one ColumnFamily.
  CqlOutputFormat | The `CqlOutputFormat` acts as a Hadoop-specific OutputFormat that allows reduce tasks to store keys (and corresponding bound variable values) as CQL rows (and respective columns) in a given table.
  CqlRecordReader | CqlRecordReader reads the rows return from the CQL query It uses CQL auto-paging.

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