@LimitedPrivate(value = {"Hive"})
  @Unstable
  public synchronized IMetaStoreClient getMSC() throws MetaException {
    return getMSC(true, false);
  }
@return the metastore client for the current thread
@throws MetaException
ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java