[jira] [Updated] (IGNITE-22306) Sql. NATURAL join. Column name when encountered more then once must be ambiguous.

["Maksim Zhuravkov (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-22306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Maksim Zhuravkov updated IGNITE-22306:
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    Summary: Sql. NATURAL join. Column name when encountered more then once must be ambiguous.  (was: Sql. NATURAL join. Column name must be ambiguous.)

> Sql. NATURAL join. Column name when encountered more then once must be ambiguous.
> ---------------------------------------------------------------------------------
>
>                 Key: IGNITE-22306
>                 URL: https://issues.apache.org/jira/browse/IGNITE-22306
>             Project: Ignite
>          Issue Type: Bug
>          Components: sql
>            Reporter: Maksim Zhuravkov
>            Priority: Major
>              Labels: ignite-3
>
> Query:
> {noformat}
> select * from (values (1)) t1(i) join (values (1)) t2(i) on (t1.i=t2.i) natural join (values (1)) t3(i);
> {noformat}
> Should return an error because the left table of the outermost join consists of two columns named "I".
> Q1 (wrapped in select )
> {noformat}
> select * from (
> (values (1)) t1(i) join (values (1)) t2(i) on (t1.i=t2.i)
> ) q1
> # returns i, i
> # 1, 1
> {noformat}
> Q2 (wrapped in select )
> {noformat}
> select * from (
> (values (1)) t3(i);
> ) q2
> # returns i
> # 1
> {noformat}



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