| Name | Description | Type | Package | Framework |
| IgnoreKeyTextOutputFormat | This class replaces key with null before feeding the to TextOutputFormat. | Class | org.apache.hadoop.hive.ql.io | Apache Hive |
| IgnoreKeyTextOutputFormat .IgnoreKeyWriter | Class | org.apache.hadoop.hive.ql.io.IgnoreKeyTextOutputFormat | Apache Hive | |