@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.MultiFilterDelegationIteratorjc, 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, nextaccept, add, close, compareTo, createInternalValue, createKey, getComparator, getConf, getPos, getProgress, getRecordReaderQueue, hasNext, id, key, key, setConf, skipclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitaccept, hasNext, id, key, key, skipclose, createKey, getPos, getProgresscompareToprotected 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>IOExceptionCopyright © 2022 Apache Software Foundation. All rights reserved.