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From "Michael J. Carey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ASTERIXDB-1560) Misleading SQL++ error message when variables are undefined
Date Tue, 02 Aug 2016 21:49:20 GMT

    [ https://issues.apache.org/jira/browse/ASTERIXDB-1560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15404869#comment-15404869
] 

Michael J. Carey commented on ASTERIXDB-1560:
---------------------------------------------

PS: I don't forsee any of our users using closed types under normal circumstances...  :-)

> Misleading SQL++ error message when variables are  undefined
> ------------------------------------------------------------
>
>                 Key: ASTERIXDB-1560
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-1560
>             Project: Apache AsterixDB
>          Issue Type: Bug
>          Components: AsterixDB, Error Reporting
>            Reporter: Michael J. Carey
>            Assignee: Yingyi Bu
>            Priority: Minor
>
> This query:
>     SELECT u.name AS uname, m.message AS message
>     FROM GleambookUsers u
>     UNNEST GleambookMessages m
>     WHERE m.authorId = user.id;
> Yields this error message:
>     Cannot resolve ambiguous alias (variable) reference for identifier user [AlgebricksException]
> The reference is undefined, not ambiguous, in this case.



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