[GitHub] [incubator-doris] acelyc111 commented on issue #4928: [Proposal] Cost base optimize for conditions

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

acelyc111 commented on issue #4928:
URL: https://github.com/apache/incubator-doris/issues/4928#issuecomment-730324657


   Simply based on Operation Type and Data Type may give a incorrect estimate selectivity result indeed, but consider if two predicates have similar selectivity based on statistics info, like cardinality, the type based optimization may be helpful then.


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