sha,message,author_date,committer_date,raw_author,raw_committer,repo,author,committer 798f4d492b7f87172a50a00cf7c4c68e4cbb8b4e,"Update contains_cftime_datetimes to avoid loading entire variable array (#7494) * Update contains_cftime_datetimes to avoid loading entire variable array * Update whats-new.rst * Convert arrays to variable instead for better control * fix mypy? * Update common.py * Update xarray/core/common.py Co-authored-by: Mathias Hauser * Update common.py remove _variable_contains_cftime_datetimes * Avoid creating variable. * Add test * minimize diff * Update tests. * address comment * Fix test * Fix whats-new * Fix more tests * More fixes * fix iris tests --------- Co-authored-by: Illviljan <14371165+Illviljan@users.noreply.github.com> Co-authored-by: Mathias Hauser Co-authored-by: dcherian Co-authored-by: Deepak Cherian ",2023-03-07T16:10:29Z,2023-03-07T16:10:29Z,b6b6d624d7ea4803cd254805b7cd9b742a6a89aa,cd792325681cbad9f663f2879d8b69f1edbb678f,13221727,5179430,19864447