[GitHub] [incubator-doris] manannan2017 opened a new issue #2259: cast decimal，query large precision or small precision, the result precision is same as creating table

Wed, 20 Nov 2019 21:14:42 -0800 

manannan2017 opened a new issue #2259: cast decimal，query large precision or 
small precision, the result precision is same as creating table
URL: https://github.com/apache/incubator-doris/issues/2259
 
 
   1、table
   k2 decimal(9,3)
   
![image](https://user-images.githubusercontent.com/33174388/69305911-ac941100-0c60-11ea-8aca-6e810c84c2f2.png)
   
   2、sql
   
![image](https://user-images.githubusercontent.com/33174388/69305884-88d0cb00-0c60-11ea-8f21-3440ab9070af.png)
   
   3、excepted 
   select cast(k2 as decimal(9,3)) from table:
    8.123
   8.220
   123456.123

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