[jira] [Closed] (MRQL-61) Fix bug on select over union queries

["Leonidas Fegaras (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MRQL-61?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leonidas Fegaras closed MRQL-61.
--------------------------------
    Resolution: Fixed

The patch was applied to the GIT master.

> Fix bug on select over union queries
> ------------------------------------
>
>                 Key: MRQL-61
>                 URL: https://issues.apache.org/jira/browse/MRQL-61
>             Project: MRQL
>          Issue Type: Bug
>          Components: Query Optimization, Query Translation
>    Affects Versions: 0.9.4
>            Reporter: Leonidas Fegaras
>            Assignee: Leonidas Fegaras
>            Priority: Critical
>         Attachments: MRQL-61.patch
>
>
> This bug was reported by Marcos Freitas. Queries of the form:
> {code:SQL}
> select ... from x in ((select ...) union (select ...)) ...
> {code}
> cause a type error on the generated plan. The generated plan is also wrong (a cross product instead of a union). This error is probably in the QueryPlan class. 



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