[GitHub] [incubator-doris] yangzhg commented on issue #3930: [Proposal] Doris support version column for REPLACE aggregate type

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

yangzhg commented on issue #3930:
URL: https://github.com/apache/incubator-doris/issues/3930#issuecomment-652268901


   I suggest that the columns used for keeping order should not exist in the create table statement, but as a hidden column. When creating a unique table, add a property such as sequence=true, so that be can automatically add a hidden one after the key column. The hidden key column is only used for sorting, so that it can be used as a sorting basis when doing compaction and read. A column may be configed as a sequence column during load


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