[jira] [Updated] (ARROW-18417) [C++] Support emit info in Substrait extension-multi and AsOfJoin

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-18417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated ARROW-18417:
-----------------------------------
    Labels: pull-request-available  (was: )

> [C++] Support emit info in Substrait extension-multi and AsOfJoin
> -----------------------------------------------------------------
>
>                 Key: ARROW-18417
>                 URL: https://issues.apache.org/jira/browse/ARROW-18417
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Yaron Gvili
>            Assignee: Yaron Gvili
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Currently, Arrow-Substrait does not handle emit info that may appear in an extension-multi in a Substrait plan. Besides the generic handling in the Arrow-Substrait extension API, specific handling for AsOfJoin is required, because AsOfJoinNode produces an output schema that is different than the one used in the emit info. In particular, the AsOfJoinNode output scheme does not include on- and by-keys of right tables.



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