-- GROUP LEADERS 
SELECT gm.user_id, gr.resource_id, gm.group_id, 
    BIT_OR( gm.group_members_opt ) AS group_cache_opts
  FROM fud30_group_members gm 
  INNER JOIN fud30_group_resources gr
    ON gr.group_id=gm.group_id
  WHERE ( gm.group_members_opt>=65536 )
    AND ( gm.group_members_opt & 65536 ) > 0
    AND ( gm.group_members_opt & 131072 )
  GROUP BY user_id, resource_id, group_id
UNION
-- GROUP MEMBERS 
SELECT gm.user_id, gr.resource_id, gr.group_id, 
    BIT_AND( gm.group_members_opt ) AS group_cache_opts
  FROM fud30_group_members AS gm    
  INNER JOIN fud30_group_resources AS gr
    ON gr.group_id=gm.group_id
  WHERE ( gm.group_members_opt>=65536 )
    AND ( gm.group_members_opt & 65536 ) > 0
  GROUP BY user_id, resource_id, group_id;