protected String tableName(Table t) {
    return Warehouse.getQualifiedName(t);
  }
Get the partition being compacted.
@param ci compaction info returned from the compaction queue
@return metastore partition, or null if there is not partition in this compaction info
@throws MetaException if underlying calls throw, or if the partition name resolves to more than
one partition.
ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/CompactorThread.java