org.apache.hadoop.hive.ql.index

Class HiveIndexedInputFormat

java.lang.Object

org.apache.hadoop.hive.ql.io.HiveInputFormat

org.apache.hadoop.hive.ql.index.HiveIndexedInputFormat

Direct Known Subclasses:

HiveCompactIndexInputFormat

public class HiveIndexedInputFormat
extends HiveInputFormat

Input format for doing queries that use indexes. Uses a blockfilter file to specify the blocks to query.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.ql.io.HiveInputFormat

HiveInputFormat.HiveInputSplit

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.commons.logging.Log	l4j

Fields inherited from class org.apache.hadoop.hive.ql.io.HiveInputFormat

inputFormats, LOG, pathToPartitionInfo

Constructor Summary

Constructors

Constructor and Description
HiveIndexedInputFormat()
HiveIndexedInputFormat(java.lang.String indexFileName)

Method Summary

Modifier and Type	Method and Description
InputSplit[]	doGetSplits(JobConf job, int numSplits)
static java.util.List<java.lang.String>	getIndexFiles(java.lang.String indexFileStr)
InputSplit[]	getSplits(JobConf job, int numSplits)

Methods inherited from class org.apache.hadoop.hive.ql.io.HiveInputFormat

configure, getInputFormatFromCache, getPartitionDescFromPath, getRecordReader, init, pushFilters, pushProjectionsAndFilters, pushProjectionsAndFilters, validateInput

Methods inherited from class java.lang.Object

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

Field Detail

l4j

public static final org.apache.commons.logging.Log l4j

Constructor Detail

HiveIndexedInputFormat

public HiveIndexedInputFormat()

HiveIndexedInputFormat

public HiveIndexedInputFormat(java.lang.String indexFileName)

Method Detail

doGetSplits

public InputSplit[] doGetSplits(JobConf job,
                                int numSplits)
                         throws java.io.IOException

Throws:

java.io.IOException

getIndexFiles

public static java.util.List<java.lang.String> getIndexFiles(java.lang.String indexFileStr)

getSplits

public InputSplit[] getSplits(JobConf job,
                              int numSplits)
                       throws java.io.IOException

Overrides:

getSplits in class HiveInputFormat

Throws:

java.io.IOException