sandynz edited a comment on issue #9109:
URL: https://github.com/apache/shardingsphere/issues/9109#issuecomment-764400072


   > 
   > 
   > Hi @sandynz , I understant that the SQL doesn't have `order by`.
   > 
   > `SELECT * FROM t_order WHERE order_id>=1 AND order_id<=10;` will get data 
from `t_order_0` and `t_order_0` and merge the result.
   > 
   > If you want to sort the result, should specify the sort column.
   
   Hi @dongzl , that's true, result ordering is not guaranteed if sql without 
`order by` clause for all RDBMS. But it could be a trival enhancement when 
backend is MySQL InnoDB, respond similar result as MySQL might be a little 
better.


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