get_db dewiki;

SELECT page_title, page_namespace FROM page, templatelinks 
WHERE tl_from = page_id 
  AND page_namespace IN (0,100) 
  AND tl_from_namespace IN (0,100) 
  AND tl_namespace = 10 
  AND tl_title = 'Review';

error about August 18th 03:00 UTC:
db server: View 'dewiki_p.templatelinks' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them.

error since August 18th 09:30 UTC:
db server: Unknown column 'tl_namespace' in 'where clause'

What is happening with column 'tl_namespace'? I need it to do valid database queries.