[jira] [Commented] (CALCITE-1515) Support TableFunctionScan in RelBuilder

["Chunwei Lei (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CALCITE-1515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16808418#comment-16808418 ] 

Chunwei Lei commented on CALCITE-1515:
--------------------------------------

Oops, sorry for that.

> Support TableFunctionScan in RelBuilder
> ---------------------------------------
>
>                 Key: CALCITE-1515
>                 URL: https://issues.apache.org/jira/browse/CALCITE-1515
>             Project: Calcite
>          Issue Type: Bug
>    Affects Versions: 1.19.0
>            Reporter: Anton Mushin
>            Assignee: Chunwei Lei
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 1.20.0
>
>          Time Spent: 4h 40m
>  Remaining Estimate: 0h
>
> Calcite has a TableFunctionScan, which is a RelNode, takes a function, 0 or more RelNode inputs, and 0 or more other arguments.
> RelBuilder does not support TableFunctionScan yet. 
> add In RelBuilder TableFunctionScanFactory which will create LogicalTableFunctionScan like as for LogicalTableScan and factory for others RelNodes [ [example|https://github.com/apache/calcite/blob/master/core/src/main/java/org/apache/calcite/tools/RelBuilder.java#L125] ]
> also adding a functionScan method, analogous to the scan method but for table functions.



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