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Selectivity based Dynamic Filtering

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创建于  
2020-09-07 11:16

Software Environment:

  • OpenLooKeng version (source or binary):

  • OS platform & distribution (eg., Linux Ubuntu 16.04):

  • Java version:

Describe the current behavior

We should pass the cost and stats information to the the Dynamic Filter creation. And then we can use CBO to remove the dynamic filters that we do not need, e.g., if the table is pretty small and already has the static expressions, the table should be filtered enough and we don't need to enable the dynamic filters.

Describe the expected behavior

Steps to reproduce the issue

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lizheng(lifengzi) 创建了任务
lizheng(lifengzi) 通过openlookeng/hetu-core Pull Request !353任务状态待办的 修改为已完成
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