org.apache.pig.backend.hadoop.executionengine.mapReduceLayer
Class PigMapReduce.MapWithPartitionIndex
java.lang.Object
org.apache.hadoop.mapred.MapReduceBase
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce.Map
org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapReduce.MapWithPartitionIndex
- All Implemented Interfaces:
- Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.Text,Tuple,PigNullableWritable,org.apache.hadoop.io.Writable>
- Enclosing class:
- PigMapReduce
public static class PigMapReduce.MapWithPartitionIndex
- extends PigMapReduce.Map
- implements org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.Text,Tuple,PigNullableWritable,org.apache.hadoop.io.Writable>
Used by Skewed Join
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.hadoop.mapred.Mapper |
map |
Methods inherited from interface org.apache.hadoop.mapred.JobConfigurable |
configure |
PigMapReduce.MapWithPartitionIndex
public PigMapReduce.MapWithPartitionIndex()
collect
public void collect(org.apache.hadoop.mapred.OutputCollector<PigNullableWritable,org.apache.hadoop.io.Writable> oc,
Tuple tuple)
throws ExecException,
IOException
- Overrides:
collect
in class PigMapReduce.Map
- Throws:
ExecException
IOException
runPipeline
protected void runPipeline(PhysicalOperator leaf)
throws IOException,
ExecException
- Overrides:
runPipeline
in class PigMapBase
- Throws:
IOException
ExecException
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