@InterfaceAudience.Public @InterfaceStability.Stable public class OverrideRecordReader<K extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable> extends MultiFilterRecordReader<K,V>
MultiFilterRecordReader.MultiFilterDelegationIterator
jc, kids
Modifier and Type | Method and Description |
---|---|
protected V |
emit(TupleWritable dst)
Emit the value with the highest position in the tuple.
|
protected void |
fillJoinCollector(K iterkey)
Instead of filling the JoinCollector with iterators from all
data sources, fill only the rightmost for this key.
|
combine, createValue, getDelegate, next
accept, add, close, compareTo, createInternalValue, createKey, getComparator, getConf, getPos, getProgress, getRecordReaderQueue, hasNext, id, key, key, setConf, skip
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
accept, hasNext, id, key, key, skip
close, createKey, getPos, getProgress
compareTo
protected V emit(TupleWritable dst)
emit
in class MultiFilterRecordReader<K extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable>
protected void fillJoinCollector(K iterkey) throws IOException
fillJoinCollector
in class CompositeRecordReader<K extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable,V extends org.apache.hadoop.io.Writable>
IOException
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