lengyul commented on issue #4580: shardingsphere: Regarding routing to multiple 
data nodes, when querying with aggregate functions (count, max, avg ...), how 
to deal with the total statistics of multiple tables?
URL: 
https://github.com/apache/incubator-shardingsphere/issues/4580#issuecomment-593909372
 
 
   > Hi, @lengyul
   > Can you explain your question with an example?
   
   [example] 
   Sql statement:
   select avg(column),max(column) from table where time between 0302 and 0303 
   Route to:
   select avg(column),max(column) from table_0302
   select avg(column),max(column) from table_0303
   Returned their respective statistics(two data).
   I want total statistics (a piece of data), do I need code to process it?
   

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