[GitHub] [incubator-doris] decster commented on issue #3469: [Memory Engine] Write Pipeline: internal data processing and storage

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

decster commented on issue #3469:
URL: https://github.com/apache/incubator-doris/issues/3469#issuecomment-641010153


   >     // may missing key cols(partition cols or distributed cols), should fillin default value.
   >     // If we want to support default values for each write txn, those default values need to 
   
   If it's key column, fillin default value doesn't make sense, key column should be unique right?
   
   About default value for non-key columns, it should be write to each Txn file, maybe in the footer PB?
   


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