org.apache.carbondata.hive

Class MapredCarbonInputFormat

java.lang.Object

org.apache.hadoop.mapreduce.InputFormat<K,V>

org.apache.hadoop.mapreduce.lib.input.FileInputFormat<Void,T>

org.apache.carbondata.hadoop.api.CarbonTableInputFormat<org.apache.hadoop.io.ArrayWritable>

org.apache.carbondata.hive.MapredCarbonInputFormat

All Implemented Interfaces:

org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.AvoidSplitCombination, org.apache.hadoop.mapred.InputFormat<Void,org.apache.hadoop.io.ArrayWritable>

public class MapredCarbonInputFormat
extends CarbonTableInputFormat<org.apache.hadoop.io.ArrayWritable>
implements org.apache.hadoop.mapred.InputFormat<Void,org.apache.hadoop.io.ArrayWritable>, org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.AvoidSplitCombination

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

org.apache.hadoop.mapreduce.lib.input.FileInputFormat.Counter

Field Summary

Fields inherited from class org.apache.carbondata.hadoop.api.CarbonTableInputFormat

ALTER_PARTITION_ID, DATABASE_NAME, INPUT_FILES, INPUT_SEGMENT_NUMBERS, PARTITIONS_TO_PRUNE, TABLE_NAME, UPADTE_T, VALIDATE_INPUT_SEGMENT_IDs

Fields inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

DEFAULT_LIST_STATUS_NUM_THREADS, INPUT_DIR, INPUT_DIR_RECURSIVE, LIST_STATUS_NUM_THREADS, NUM_INPUT_FILES, PATHFILTER_CLASS, SPLIT_MAXSIZE, SPLIT_MINSIZE

Constructor Summary

Constructors

Constructor and Description
MapredCarbonInputFormat()

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.mapred.RecordReader<Void,org.apache.hadoop.io.ArrayWritable>	getRecordReader(org.apache.hadoop.mapred.InputSplit inputSplit, org.apache.hadoop.mapred.JobConf jobConf, org.apache.hadoop.mapred.Reporter reporter)
org.apache.hadoop.mapred.InputSplit[]	getSplits(org.apache.hadoop.mapred.JobConf jobConf, int numSplits)
boolean	shouldSkipCombine(org.apache.hadoop.fs.Path path, org.apache.hadoop.conf.Configuration conf)

Methods inherited from class org.apache.carbondata.hadoop.api.CarbonTableInputFormat

createRecordReader, getAbsoluteTableIdentifier, getBlockRowCount, getColumnProjection, getDatabaseName, getDataTypeConverter, getFilterPredicates, getPartitionsToPrune, getQueryModel, getReadSupportClass, getSegmentsToAccess, getSplits, getSplitsOfOneSegment, getSplitsOfStreaming, getTableName, getValidateSegmentsToAccess, isSplitable, makeSplit, makeSplit, setCarbonReadSupport, setColumnProjection, setDatabaseName, setDataMapJob, setDataTypeConverter, setFilterPredicates, setPartitionIdList, setPartitionsToPrune, setQuerySegment, setSegmentsToAccess, setTableInfo, setTableName, setTablePath, setValidateSegmentsToAccess

Methods inherited from class org.apache.hadoop.mapreduce.lib.input.FileInputFormat

addInputPath, addInputPathRecursively, addInputPaths, computeSplitSize, getBlockIndex, getFormatMinSplitSize, getInputDirRecursive, getInputPathFilter, getInputPaths, getMaxSplitSize, getMinSplitSize, listStatus, makeSplit, makeSplit, setInputDirRecursive, setInputPathFilter, setInputPaths, setInputPaths, setMaxInputSplitSize, setMinInputSplitSize

Methods inherited from class java.lang.Object

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

Constructor Detail

MapredCarbonInputFormat

public MapredCarbonInputFormat()

Method Detail

getSplits

public org.apache.hadoop.mapred.InputSplit[] getSplits(org.apache.hadoop.mapred.JobConf jobConf,
                                                       int numSplits)
                                                throws IOException

Specified by:

getSplits in interface org.apache.hadoop.mapred.InputFormat<Void,org.apache.hadoop.io.ArrayWritable>

Throws:

IOException

getRecordReader

public org.apache.hadoop.mapred.RecordReader<Void,org.apache.hadoop.io.ArrayWritable> getRecordReader(org.apache.hadoop.mapred.InputSplit inputSplit,
                                                                                                      org.apache.hadoop.mapred.JobConf jobConf,
                                                                                                      org.apache.hadoop.mapred.Reporter reporter)
                                                                                               throws IOException

Specified by:

getRecordReader in interface org.apache.hadoop.mapred.InputFormat<Void,org.apache.hadoop.io.ArrayWritable>

Throws:

IOException

shouldSkipCombine

public boolean shouldSkipCombine(org.apache.hadoop.fs.Path path,
                                 org.apache.hadoop.conf.Configuration conf)
                          throws IOException

Specified by:

shouldSkipCombine in interface org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.AvoidSplitCombination

Throws:

IOException