| SELECT *, cl_from
FROM commonswiki_p.categorylinks
limit 1000
-- ... |
6 years ago |
| SELECT cl_from
FROM commonswiki_p.categorylinks
limit 1000
-- WHERE... |
6 years ago |
| SELECT cl_from
FROM commonswiki_p.categorylinks
WHERE cl_to = ... |
6 years ago |
| SELECT cl_from
FROM commonswiki_p.categorylinks
WHERE cl_to IN (
... |
6 years ago |
