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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2020/02/15 03:29:50 UTC

[GitHub] [incubator-doris] kangpinghuang opened a new issue #2908: compound or predicate should be push down to storage engine

kangpinghuang opened a new issue #2908: compound or predicate should be push down to storage engine
URL: https://github.com/apache/incubator-doris/issues/2908
 
 
   Now, only and compond predicate can be push down to storage engine, which will bring performance problems when query like `select * from table_a where predicate_a or predicate_b`.
   
   A case like this:
   ![image](https://user-images.githubusercontent.com/40422952/74581104-609a0380-4fe6-11ea-846e-30de7365c982.png)
   
   predicate pushdown can be optimized to support queries like this.

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