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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/06/23 11:25:47 UTC

[GitHub] [doris] zenoyang commented on issue #3634: [Schema change] throw error 'Can not change default value'

zenoyang commented on issue #3634:
URL: https://github.com/apache/doris/issues/3634#issuecomment-1164291012

   I have a case: 
   
   mysql> ALTER TABLE db1.tbl1 MODIFY COLUMN `k1` VARCHAR(4096) NULL COMMENT "备注";
   ERROR 1064 (HY000): errCode = 2, detailMessage = Can not change default value
   
   mysql> ALTER TABLE db1.tbl1 MODIFY COLUMN `k1` VARCHAR(4096) NULL default "" COMMENT "备注";
   Query OK, 0 rows affected (12.19 sec)


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