public uint GetCollectionFreq(string tname)
        {
            uint ret = XapianPINVOKE.Database_GetCollectionFreq(swigCPtr, tname);

            if (XapianPINVOKE.SWIGPendingException.Pending)
            {
                throw XapianPINVOKE.SWIGPendingException.Retrieve();
            }
            return(ret);
        }