[
https://issues.apache.org/jira/browse/CALCITE-4160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17172782#comment-17172782
]
Jiatao Tao edited comment on CALCITE-4160 at 8/7/20, 2:50 AM:
--------------------------------------------------------------
[~julianhyde], [~zabetak]
SQL: val sql = "select * from (select id from t1 order by name)"
Spark:
!image-2020-08-07-10-50-22-351.png|width=350,height=533!
Presto:
!image-2020-08-07-10-48-59-599.png|width=368,height=584!
was (Author: aron.tao):
[~julianhyde], [~zabetak]
SQL: val sql = "select * from (select id from t1 order by name)"
Spark:
!image-2020-08-07-10-44-15-158.png|width=329,height=501!
Presto:
!image-2020-08-07-10-48-59-599.png|width=368,height=584!
> Add configuration to retain ORDER BY in sub-query
> -------------------------------------------------
>
> Key: CALCITE-4160
> URL: https://issues.apache.org/jira/browse/CALCITE-4160
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Jiatao Tao
> Assignee: Jiatao Tao
> Priority: Minor
> Attachments: image-2020-08-07-10-48-59-599.png,
> image-2020-08-07-10-50-17-438.png, image-2020-08-07-10-50-21-250.png,
> image-2020-08-07-10-50-22-351.png
>
>
> Pre discussion see in
> https://issues.apache.org/jira/browse/CALCITE-2798
> https://issues.apache.org/jira/browse/CALCITE-3664
> IMO, we should at least provide a configuration about this. People use
> Calcite most for its optimizer, and this info users may care, How it executed
> is by the engine, but users should know this in the plan.
>
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
