CASE WHEN SUM(CASE WHEN use_type = 1 THEN 1 ELSE 0 END) = SUM(CASE WHEN use_type > 0 THEN 1 ELSE 0 END) THEN 1 ELSE CASE WHEN SUM(CASE WHEN use_type = 2 THEN 1 ELSE 0 END) = SUM(CASE WHEN use_type > 0 THEN 1 ELSE 0 END) THEN 2 ELSE 12 END END use_type,
SUBSTRING_INDEX(GROUP_CONCAT(DISTINCT use_start_time ORDER BY use_start_time),',',1) use_start_time,
SUBSTRING_INDEX(GROUP_CONCAT(DISTINCT use_end_time ORDER BY use_end_time DESC),',',1) use_end_time,
SUBSTRING_INDEX(GROUP_CONCAT(DISTINCT add_time ORDER BY add_time DESC),',',1) add_time
SUBSTRING_INDEX(GROUP_CONCAT(DISTINCT use_end_time ORDER BY use_end_time DESC),',',1) use_end_time
@// ,SUBSTRING_INDEX(GROUP_CONCAT(DISTINCT add_time ORDER BY add_time DESC),',',1) add_time
FROM (
SELECT use_start_time,use_end_time,use_type,universities_colleges_id,add_time FROM universities_colleges_jurisdiction_experimental_system WHERE use_type != 0
FROM universities_colleges_jurisdiction_experimental_system WHERE use_type != 0
UNION ALL
SELECT use_start_time,use_end_time,use_type,universities_colleges_id,add_time FROM universities_colleges_jurisdiction_curriculum_resources WHERE use_type != 0