Untitled query #15857

SQL

use fawiki_p;
select rev_user_text,
str_to_date(left(min(rev_timestamp), 8), '%Y%m%d') as sunrise,
str_to_date(left(min(sunset), 8), '%Y%m%d') as sunset,
GROUP_CONCAT(ug_group) as groups
from revision join (
  select rev_user old_user,
  max(rev_timestamp) sunset
  from revision
  where rev_user <> 0
  and rev_timestamp < concat(year(curdate()) - 3, LPAD(month(curdate()) , 2, 0), '01000000')
  group by rev_user
) old
on old_user = rev_user
join usergroups
on rev_user = ug_user
where rev_user <> 0
and rev_timestamp > concat(year(curdate()) , LPAD(month(curdate()) , 2, 0), '01000000')
and rev_user not in (
  select rev_user
  from revision
  where rev_user <> 0
  and rev_timestamp < concat(year(curdate()) , LPAD(month(curdate()) , 2, 0), '01000000')
  and rev_timestamp > concat(year(curdate()) - 3, LPAD(month(curdate()) , 2, 0), '01000000')
)
group by rev_user_text
SQL

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