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https://issues.apache.org/jira/browse/CALCITE-3925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17088631#comment-17088631
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Jin Xing commented on CALCITE-3925:
-----------------------------------

[~xzh_dz] 
Thanks a lot for PR, comments left ~

> Support materialized view matching for LogicalCorrelate in SubsitutionVisitor
> -----------------------------------------------------------------------------
>
>                 Key: CALCITE-3925
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3925
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Jin Xing
>            Priority: Major
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> LogicalCorrelate is widely used in user SQLs to performs nested-loop join.  
> We need to support substitution based materialized view matching for it. The 
> matching algorithm should be able to do Project & Filter compensation when 
> matching query with materialized view.



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