[GitHub] [incubator-doris] WingsGo opened a new issue #2410: [BUG]Invalid schema change doesn't return error in SHOW ALTER TABLE COLUMN

[GitBox <gi...@apache.org>]

WingsGo opened a new issue #2410: [BUG]Invalid schema change doesn't return error in SHOW ALTER TABLE COLUMN
URL: https://github.com/apache/incubator-doris/issues/2410
 
 
   **Describe the bug**
   If user make a invalid schema change, for example, tranfer a int value '100' to a date value, or transfer a date value to a datetime value in version 0.10, when user want to look at the process of this schema change the state is always RUNNING until timeout, but the real reason is that schema change failed. In the following Screenshots, the RUNNING state is doing a invalid schema change, the CANCLED state is that invalid schema change operation exceed the max timeout.
   FE log and BE log shows that the schema change failed.
   
   ![图片](https://user-images.githubusercontent.com/22497357/70387005-c52f5580-19da-11ea-839a-1d840afc6129.png)
    
   FE.log
   ![图片](https://user-images.githubusercontent.com/22497357/70387048-4edf2300-19db-11ea-8782-6934ef6524a9.png)
   
   BE.WARNING
   ![图片](https://user-images.githubusercontent.com/22497357/70387055-6fa77880-19db-11ea-94af-933233a16812.png)
   

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