我相信你想要这个:
SELECt to_char(revision_timestamp, 'YYYY-MM'), count(b.id)FROM package aJOIN package_revision b ON a.revision_id = b.revision_idWHERe revision_timestamp > date_trunc('month', CURRENT_DATE) - INTERVAL '1 year'GROUP BY 1
我相信你想要这个:
SELECt to_char(revision_timestamp, 'YYYY-MM'), count(b.id)FROM package aJOIN package_revision b ON a.revision_id = b.revision_idWHERe revision_timestamp > date_trunc('month', CURRENT_DATE) - INTERVAL '1 year'GROUP BY 1