[jira] [Commented] (BEAM-6114) SQL join selection should be done in planner, not in expansion to PTransform

["Rahul Patwari (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-6114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16922589#comment-16922589 ] 

Rahul Patwari commented on BEAM-6114:
-------------------------------------

Can we close this jira?

> SQL join selection should be done in planner, not in expansion to PTransform
> ----------------------------------------------------------------------------
>
>                 Key: BEAM-6114
>                 URL: https://issues.apache.org/jira/browse/BEAM-6114
>             Project: Beam
>          Issue Type: Improvement
>          Components: dsl-sql
>            Reporter: Kenneth Knowles
>            Assignee: Rahul Patwari
>            Priority: Major
>             Fix For: 2.16.0
>
>          Time Spent: 4h 20m
>  Remaining Estimate: 0h
>
> Currently Beam SQL joins all go through a single physical operator which has a single PTransform that does all join algorithms based on properties of its input PCollections as well as the relational algebra.
> A first step is to make the needed information part of the relational algebra, so it can choose a PTransform based on that, and the PTransforms can be simpler.
> Second step is to have separate (physical) relational operators for different join algorithms.



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