org.apache.hadoop.hive.ql.io

Interface HivePartitioner<K2,V2>

All Superinterfaces:

org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Partitioner<K2,V2>

All Known Implementing Classes:

DefaultHivePartitioner

public interface HivePartitioner<K2,V2>
extends org.apache.hadoop.mapred.Partitioner<K2,V2>

Partition keys by their Object.hashCode().

Method Summary

Methods

Modifier and Type	Method and Description
int	getBucket(K2 key, V2 value, int numBuckets) Get the final bucket within a partition.

Methods inherited from interface org.apache.hadoop.mapred.Partitioner

getPartition

Methods inherited from interface org.apache.hadoop.mapred.JobConfigurable

configure

Method Detail

getBucket

int getBucket(K2 key,
            V2 value,
            int numBuckets)

Get the final bucket within a partition.