Centralize empty talk pages of redirect

SQL

select count(*) from page where page_namespace = 0 and page_is_redirect = 0
and page_title in (select page_title from page where page_namespace = 1 and page_is_redirect = 0 and page_len = 0)

/*
select page_title, rd_title from page join redirect on rd_from = page_id and rd_namespace = 0
where page_namespace = 0 and page_is_redirect = 1
and page_title in (select page_title from page where page_namespace = 1 and page_is_redirect = 0 and page_len = 0)
and rd_title in (select page_title from page where page_namespace = 1 and page_is_redirect = 0)
*/
/*
select count(*) from page where page_namespace = 1 and page_is_redirect = 0 and page_len = 0
and page_title in (select page_title from page where page_namespace = 0 and page_is_redirect = 1)
*/
SQL

Checking query status...
