zhao-en opened a new issue, #20081:
URL: https://github.com/apache/shardingsphere/issues/20081

   when the 'distinct' and 'group by' are used in one sql , the 'group by' will 
be replace by 'order by ' after creating ShardingSphere-SQL
   
   CASE:
   Logic SQL:
   SELECT COUNT(DISTINCT DATE_FORMAT(LEFT(b.create_date,13),'%Y-%m-%d %H')) 
hourNum, date FROM table_name b where (b.p_id,b.d_id) IN ( (?, ?) ) and 
b.create_date >= ? AND b.create_date < ? GROUP BY date,d_id
   
   Actual SQL:
   SELECT COUNT(DISTINCT DATE_FORMAT(LEFT(b.create_date,13),'%Y-%m-%d %H')) 
hourNum, date FROM table_name_1 b where (b.p_id,b.d_id) IN ( (?, ?) ) and 
b.create_date >= ? AND b.create_date < ? ORDER BY DATE ASC,deviceId ASC
   
   version: 5.1
   


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