Error: 1054 Unknown column 'rank' in 'order clause'
The following SQL statement was executed:
select key_result.*
from keywords,keyword_relationships,keywords key_result
where keywords.id=keyword_relationships.keyword_id
and keywords.name ='海口'
and keyword_relationships.related_keyword_id = key_result.id and keyword_relationships.related_keyword_id != keyword_relationships.keyword_id order by rank desc limit 15
