[GitHub] [incubator-doris] kangpinghuang edited a comment on issue #1652: support filter with predicate in BetaRowset

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

kangpinghuang edited a comment on issue #1652: support filter with predicate in BetaRowset
URL: https://github.com/apache/incubator-doris/issues/1652#issuecomment-528773506
 
 
   I will split this job into several step:
   1. I will move original v1's predicate logic to segment v2 to provide this feature quickly.
   2. I will refactor the current column predicate framework because current column predicate is based on row block. I will modify it to calculate based on column cell. This work wil be the base of the following work.
   3. I will realize lazy materiazation to optimize data read.
   4. I will realize the optimization to push predicate evalution to page decoder which will optimize in some situation, eg: dict encoded page.
   
   
   and more future works which will be done in next phase, including:
   1. support more complex predicate calculation in v2, like or/not predicate
   

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