public synchronized void write(K key, V value) throws IOException {
      this.mWriter.write(null, value);
    }
This class replaces key with null before feeding the &lt;key, value&gt; to
TextOutputFormat.RecordWriter.

@deprecated use {@link HiveIgnoreKeyTextOutputFormat} instead}
ql/src/java/org/apache/hadoop/hive/ql/io/IgnoreKeyTextOutputFormat.java