SHOW FULL COLUMNS FROM `d_categories` [ RunTime:0.002295s ]
SELECT * FROM `d_categories` WHERE `parent_id` IS NULL ORDER BY `sort` ASC [ RunTime:0.001112s ]
SELECT * FROM `d_categories` WHERE `parent_id` = 47 ORDER BY `sort` ASC [ RunTime:0.000326s ]
SHOW FULL COLUMNS FROM `d_exhibitions` [ RunTime:0.001572s ]
SELECT `a`.*,`b`.*,b.name as bname,a.name as aname,a.id as aid FROM `d_exhibitions` `a` INNER JOIN `d_exhibition_halls` `b` ON `a`.`venue`=`b`.`id` WHERE ( JSON_CONTAINS(a.industry, '53') ) AND `b`.`country` LIKE '%中国%' AND `a`.`ex_status` = '1' [ RunTime:0.017144s ]
