untested changes to pecan dataset adapter
untested changes to pecan dataset adapter


Former-commit-id: 2ade95b6ca26771171324b4ee6996301c165f283
Former-commit-id: 4365d91a4a79ee1fdf6b871b100c3333639e1f22
Former-commit-id: 07d7c184df4d11b7c55a8820ab59f9ed3756c730
dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy,dssg/wikienergy