[GitHub] [doris] zhannngchen commented on pull request #16951: [fix](alter) support alter table ENABLE FEATURE SEQUENCE_LOAD WITH PROPERTIES ( function_column.sequence_col = col_name)

["zhannngchen (via GitHub)" <gi...@apache.org>]

zhannngchen commented on PR #16951:
URL: https://github.com/apache/doris/pull/16951#issuecomment-1450060769

   This property should not support schema change. We have a hidden sequence column, it's value is copied from specified column. If we want the new added sequence column works correctly, we should rewrite the value of hidden sequence column of all old data.


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