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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2020/08/19 09:56:50 UTC
[GitHub] [incubator-doris] imay opened a new issue #1261: eliminate predicate which is pushed to storage engine
imay opened a new issue #1261:
URL: https://github.com/apache/incubator-doris/issues/1261
Currently, although we push down predicates to StorageEngine, but we do it in OlapScanner again. This is a waste for query which will read too many rows from Engine.
we should reduce this eval operation, which need us to eliminate the predicates which can be done in Storage Engine.
It is difficult that we has normalize user predicates, and there is no relation between user predicates and Storage filter.
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[GitHub] [incubator-doris] EmmyMiao87 commented on issue #1261: eliminate predicate which is pushed to storage engine
Posted by GitBox <gi...@apache.org>.
EmmyMiao87 commented on issue #1261:
URL: https://github.com/apache/incubator-doris/issues/1261#issuecomment-676060984
Are we not doing this because we don’t trust the filtering of the storage engine?
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[GitHub] [incubator-doris] EmmyMiao87 closed issue #1261: eliminate predicate which is pushed to storage engine
Posted by GitBox <gi...@apache.org>.
EmmyMiao87 closed issue #1261:
URL: https://github.com/apache/incubator-doris/issues/1261
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