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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/10/26 03:05:22 UTC

[GitHub] [doris] lsy3993 commented on issue #13639: [Bug] Select后的字段解析有问题。

lsy3993 commented on issue #13639:
URL: https://github.com/apache/doris/issues/13639#issuecomment-1291434301

   when you write 
   ```
     select month_id
              standard_app_id, xxx
   ```
   
   doris will think you want to do that:
   ```
     select month_id as standard_app_id, xxx
   ```
   
   But this behavior is OK, you can alias 'month_id' to 'standard_app_id', even if 'standard_app_id' is a column name in your table.
   
   The problem does not relate to 'lateral view',  simple queries can also be reproduced, for exapmle
   ![doris_alias](https://user-images.githubusercontent.com/110876560/197924749-ea85172f-8c43-4ad8-85eb-c7986a1378ec.jpeg)
   And this behavior is same as mysql, the following picture shows mysql's behavior:
   ![mysql_alias](https://user-images.githubusercontent.com/110876560/197924908-402a97cd-1cdc-4409-ad4d-862da63af288.jpeg)
   
   
   


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