Get dbametaanddatad pointed by iterator.
2953 call session%set(filter=filter)
2954 call session%ingest_metaanddatac()
2955 do while (c_e(session%count) .and. session%count >0)
2956 call session%ingest_metaanddatac(element)
2957 call metaanddatal%append(element)
2958 if (session%file) call session%ingest()
2959 end do
2960