(SELECT GROUP_CONCAT(name) FROM ecw_customer_competitor n WHERE FIND_IN_SET(n.id,(SELECT competitor_ids FROM ecw_customer WHERE id=a.id))) AS competitor_names,
su.creator as create_username
from ecw_customer a
left join (select * from ecw_customer_contacts where is_default = 1 and deleted = 0) as c on a.id = c.customer_id
left join system_user su on a.customer_service = su.id