@Override
  public SerDeInfo get_serde(GetSerdeRequest rqst) throws TException {
    startFunction("get_serde", ": " + rqst);
    Exception ex = null;
    SerDeInfo serde = null;
    try {
      serde = getMS().getSerDeInfo(rqst.getSerdeName());
      if (serde == null) {
        throw new NoSuchObjectException("No serde named " + rqst.getSerdeName() + " exists");
      }
      return serde;
    } catch (MetaException e) {
      LOG.error("Caught exception getting serde", e);
      ex = e;
      throw e;
    } finally {
      endFunction("get_serde", serde != null, ex);
    }
  }
Api to fetch all table constraints at once.
@param request it consist of catalog name, database name and table name to identify the table in metastore
@return all constraints attached to given table
@throws TException
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HMSHandler.java