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https://issues.apache.org/jira/browse/CALCITE-787?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amogh Margoor updated CALCITE-787:
----------------------------------
    Affects Version/s: 1.4.0-incubating
                       1.3.0-incubating
          Component/s: core

> Star table is being assigned to MaterializedView even when it's not required.
> -----------------------------------------------------------------------------
>
>                 Key: CALCITE-787
>                 URL: https://issues.apache.org/jira/browse/CALCITE-787
>             Project: Calcite
>          Issue Type: Task
>          Components: core
>    Affects Versions: 1.3.0-incubating, 1.4.0-incubating
>            Reporter: Amogh Margoor
>            Assignee: Julian Hyde
>
> cc: [~vrajat]
> CalciteMaterializer tries to rewrite query relnode with the star table in 
> schema (the first one that fits). Utility function used is 
> RelOptMaterialization::tryUseStar. Utility function should return null when 
> it cannot rewrite relnode using star table, but instead it is returning the 
> same relnode back. This is causing MV being assigned star table even when it 
> is not required. 



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