[GitHub] [incubator-doris] manannan2017 opened a new issue #1609: POLYGON function：when 2 pairs of data is different，the result is NULL always

Thu, 08 Aug 2019 01:22:18 -0700 

manannan2017 opened a new issue #1609: POLYGON function：when 2 pairs of data is 
different，the result is NULL always
URL: https://github.com/apache/incubator-doris/issues/1609
 
 
   steps：
   1、doris
   1》 2 pairs of data is different
   SELECT ST_AsText(ST_Polygon('POLYGON ((0 0, 0 10, 10 10, 10 0,0 0),    (0 0, 
0 30, 30 30, 30 0,0 0))'));
   
![image](https://user-images.githubusercontent.com/33174388/62686857-24af3180-b9f8-11e9-894e-9cccf878ba40.png)
   2》 2 pairs of data is same
   SELECT ST_AsText(ST_Polygon('POLYGON ((0 0, 0 10, 10 10, 10 0,0 0),    (0 0, 
0 10, 10 10, 10 0,0 0))'));  
   
![image](https://user-images.githubusercontent.com/33174388/62686894-3a245b80-b9f8-11e9-81d0-889b1b33cf54.png)
   
   2、mysql
   1》 2 pairs of data is different
    SELECT ST_AsText(GEOMFROMTEXT('POLYGON ((0 0, 0 10, 10 10, 10 0,0 0),    (0 
0, 0 30, 30 30, 30 0,0 0))'));
   
![image](https://user-images.githubusercontent.com/33174388/62687009-75bf2580-b9f8-11e9-8100-efe1d69c5e1d.png)
   2》2 pairs of data is same
   it is same as doris
   

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