[GitHub] [incubator-doris] wangbo commented on issue #6370: Collect richer statistical information

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

wangbo commented on issue #6370:
URL: https://github.com/apache/incubator-doris/issues/6370#issuecomment-895160184


   I have some questions about detailed design.
   1 Currently, how much column statistics we need to collect in total? In addition to the column listed above.
   2 Is current design scalability? For example, I want to add a new column statistic, named ```avg_char_len```, how to make it a lightweight operation. It seems that we need to do a schema change in current design.


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