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https://issues.apache.org/jira/browse/CALCITE-4461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17262953#comment-17262953
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Julian Hyde commented on CALCITE-4461:
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[~vozerov], Back-ticks don't work in JIRA. Please use double-curly brace.
> Do not cast to logical node inside Enumerable rules
> ---------------------------------------------------
>
> Key: CALCITE-4461
> URL: https://issues.apache.org/jira/browse/CALCITE-4461
> Project: Calcite
> Issue Type: Task
> Components: core
> Affects Versions: 1.26.0
> Reporter: Vladimir Ozerov
> Assignee: Vladimir Ozerov
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.27.0
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> Currently, some `Enumerable` rules work with the base operator classes, such
> as `Join`, while others cast to `Logical` counterparts, such as
> `LogicalJoin`, `LogicalProject`, etc.
> This makes it impossible to convert custom non-logical nodes into
> `Enumerable` using the built-in rules.
> The proposal is to change all existing rules so that they work with the base
> `RelNode` classes.
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