org.apache.hadoop.hive.ql.io

Class VectorizedRCFileInputFormat

java.lang.Object

org.apache.hadoop.mapred.FileInputFormat<org.apache.hadoop.io.NullWritable,VectorizedRowBatch>

org.apache.hadoop.hive.ql.io.VectorizedRCFileInputFormat

All Implemented Interfaces:

InputFormatChecker, org.apache.hadoop.mapred.InputFormat<org.apache.hadoop.io.NullWritable,VectorizedRowBatch>

public class VectorizedRCFileInputFormat
extends org.apache.hadoop.mapred.FileInputFormat<org.apache.hadoop.io.NullWritable,VectorizedRowBatch>
implements InputFormatChecker

A MapReduce/Hive Vectorized input format for RC files.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapred.FileInputFormat

org.apache.hadoop.mapred.FileInputFormat.Counter

Field Summary

Fields inherited from class org.apache.hadoop.mapred.FileInputFormat

INPUT_DIR_RECURSIVE, LOG, NUM_INPUT_FILES

Constructor Summary

Constructors

Constructor and Description
VectorizedRCFileInputFormat()

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,VectorizedRowBatch>	getRecordReader(org.apache.hadoop.mapred.InputSplit split, org.apache.hadoop.mapred.JobConf job, org.apache.hadoop.mapred.Reporter reporter)
boolean	validateInput(org.apache.hadoop.fs.FileSystem fs, HiveConf conf, ArrayList<org.apache.hadoop.fs.FileStatus> files) This method is used to validate the input files.

Methods inherited from class org.apache.hadoop.mapred.FileInputFormat

addInputPath, addInputPathRecursively, addInputPaths, computeSplitSize, getBlockIndex, getInputPathFilter, getInputPaths, getSplitHosts, getSplits, isSplitable, listStatus, makeSplit, makeSplit, setInputPathFilter, setInputPaths, setInputPaths, setMinSplitSize

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VectorizedRCFileInputFormat

public VectorizedRCFileInputFormat()

Method Detail

getRecordReader

public org.apache.hadoop.mapred.RecordReader<org.apache.hadoop.io.NullWritable,VectorizedRowBatch> getRecordReader(org.apache.hadoop.mapred.InputSplit split,
                                                                                                          org.apache.hadoop.mapred.JobConf job,
                                                                                                          org.apache.hadoop.mapred.Reporter reporter)
                                                                                                            throws IOException

Specified by:

getRecordReader in interface org.apache.hadoop.mapred.InputFormat<org.apache.hadoop.io.NullWritable,VectorizedRowBatch>

Specified by:

getRecordReader in class org.apache.hadoop.mapred.FileInputFormat<org.apache.hadoop.io.NullWritable,VectorizedRowBatch>

Throws:

IOException

validateInput

public boolean validateInput(org.apache.hadoop.fs.FileSystem fs,
                    HiveConf conf,
                    ArrayList<org.apache.hadoop.fs.FileStatus> files)
                      throws IOException

Description copied from interface: InputFormatChecker

This method is used to validate the input files.

Specified by:

validateInput in interface InputFormatChecker

Throws:

IOException