WordPress database error: [Unknown column 'post_id' in 'field list']
SELECT count(DISTINCT post_id) FROM octubre2007posts INNER JOIN octubre2007term_relationships ON (octubre2007posts.ID = octubre2007term_relationships.object_id) INNER JOIN octubre2007term_taxonomy ON (octubre2007term_relationships.term_taxonomy_id = octubre2007term_taxonomy.term_taxonomy_id) WHERE 1=1 AND octubre2007term_taxonomy.taxonomy = 'category' AND octubre2007term_taxonomy.term_id IN ('9') AND post_type = 'post' AND (post_status = 'publish') GROUP BY octubre2007posts.ID ORDER BY post_date DESC