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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2015/09/09 20:23:46 UTC

[jira] [Commented] (CALCITE-856) Make more rules extensible

    [ https://issues.apache.org/jira/browse/CALCITE-856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14737353#comment-14737353 ] 

Julian Hyde commented on CALCITE-856:
-------------------------------------

It would help a lot if all rules that create other relational expressions use a RelBuilder, passed in a parameter to the rule's constructor. Then someone can just create a new instance of the rule with a different RelBuilder. See CALCITE-828.

> Make more rules extensible
> --------------------------
>
>                 Key: CALCITE-856
>                 URL: https://issues.apache.org/jira/browse/CALCITE-856
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>
> Some rules are not extensible yet, thus they cannot be easily use by projects relying on Calcite e.g. AggregateProjectMergeRule or SortProjectTransposeRule.



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