| Name | Description | Type | Package | Framework |
| ColumnTruncateMapper | Class | org.apache.hadoop.hive.ql.io.rcfile.truncate | Apache Hive | |
| ColumnTruncateTask | Class | org.apache.hadoop.hive.ql.io.rcfile.truncate | Apache Hive | |
| ColumnTruncateWork | Class | org.apache.hadoop.hive.ql.io.rcfile.truncate | Apache Hive | |
| PartialScanMapper | It reads through block header and aggregates statistics at the end. | Class | org.apache.hadoop.hive.ql.io.rcfile.stats | Apache Hive |
| PartialScanTask | This task handles RCFile statics calculation via partial scan. | Class | org.apache.hadoop.hive.ql.io.rcfile.stats | Apache Hive |
| PartialScanWork | Class | org.apache.hadoop.hive.ql.io.rcfile.stats | Apache Hive | |
| RCFile | RCFiles, short of Record Columnar File, are flat files consisting of binary key/value pairs, which shares much similarity with | Class | org.apache.hadoop.hive.ql.io | Apache Hive |
| RCFile .KeyBuffer | KeyBuffer is the key of each record in RCFile. | Class | org.apache.hadoop.hive.ql.io.RCFile | Apache Hive |
| RCFile .Reader | Read KeyBuffer/ValueBuffer pairs from a RCFile. | Class | org.apache.hadoop.hive.ql.io.RCFile | Apache Hive |
| RCFile .ValueBuffer | ValueBuffer is the value of each record in RCFile. | Class | org.apache.hadoop.hive.ql.io.RCFile | Apache Hive |
| RCFile .Writer | Write KeyBuffer/ValueBuffer pairs to a RCFile. | Class | org.apache.hadoop.hive.ql.io.RCFile | Apache Hive |
| RCFileBlockMergeInputFormat | Class | org.apache.hadoop.hive.ql.io.rcfile.merge | Apache Hive | |
| RCFileBlockMergeRecordReader | Class | org.apache.hadoop.hive.ql.io.rcfile.merge | Apache Hive | |
| RCFileInputFormat | Class | org.apache.hadoop.hive.ql.io | Apache Hive | |
| RCFileKeyBufferWrapper | Class | org.apache.hadoop.hive.ql.io.rcfile.merge | Apache Hive | |
| RCFileOutputFormat | Class | org.apache.hadoop.hive.ql.io | Apache Hive | |
| RCFileRecordReader | Class | org.apache.hadoop.hive.ql.io | Apache Hive | |
| RCFileStorageFormatDescriptor | Class | org.apache.hadoop.hive.ql.io | Apache Hive | |
| RCFileValueBufferWrapper | Class | org.apache.hadoop.hive.ql.io.rcfile.merge | Apache Hive | |