[teiid-issues] [JBoss JIRA] (TEIID-4686) PrestoDB translator - ordering of joined tables fails

Juraj Duráni (JIRA) issues at jboss.org
Mon Jan 16 04:37:00 EST 2017


    [ https://issues.jboss.org/browse/TEIID-4686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13348465#comment-13348465 ] 

Juraj Duráni commented on TEIID-4686:
-------------------------------------

The problem is not with ORDER BY in general. It happens only in combination with JOIN. Do we want to disable support for ORDER BY in general? Isn't there way how to disable it only after JOIN?

One more note. The correct condition in this case should be:
{code:java}
if(getVersion().compareTo(V_0_162) < 0){
    ...
}
{code}

> PrestoDB translator - ordering of joined tables fails
> -----------------------------------------------------
>
>                 Key: TEIID-4686
>                 URL: https://issues.jboss.org/browse/TEIID-4686
>             Project: Teiid
>          Issue Type: Bug
>          Components: Misc. Connectors
>    Affects Versions: 8.12.8.6_3
>            Reporter: Juraj Duráni
>            Assignee: Kylin Soong
>             Fix For: 9.2.1
>
>
> Issuing query like \[1\] causes an exception in PrestoDB. This seems to be PrestoDB issue. I found similar issue \[2\], but that one should be fixed. I have created a new issue \[3\]. Removing one column from ORDER BY, query returns correct result.
> Not sure if we can do something about it without avoiding pushing JOIN.
> I suggest either to fix this (if simple enough) or add a note to the documentation.
> \[1\]
> {code:sql}
> SELECT a.intkey, b.intkey FROM BQT1.SmallA AS a INNER JOIN BQT1.SmallB AS b on a.intkey = b.intkey ORDER BY 1, 2
> {code}
> \[2\] https://github.com/prestodb/presto/issues/1621
> \[3\] https://github.com/prestodb/presto/issues/7010



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