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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-2641) Improve usability of "SELECT *" SqlQuery.
Date Mon, 15 Feb 2016 08:54:18 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-2641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vladimir Ozerov updated IGNITE-2641:
------------------------------------
    Labels: important  (was: )

> Improve usability of "SELECT *" SqlQuery.
> -----------------------------------------
>
>                 Key: IGNITE-2641
>                 URL: https://issues.apache.org/jira/browse/IGNITE-2641
>             Project: Ignite
>          Issue Type: Task
>          Components: cache
>    Affects Versions: 1.5.0.final
>            Reporter: Vladimir Ozerov
>            Assignee: Dmitry Karachentsev
>              Labels: important
>             Fix For: 1.6
>
>
> *Case 1*:
> {code}SELECT * FROM Employee e{code}
> Result: exception:
> Reason: query is expanded to 
> {code}SELECT Employee._key, Employee._val FROM EMPLOYEE e{code}
> instead of 
> {code}SELECT e._key, e._val FROM EMPLOYEE e{code}
> *Case 2*
> {code}SELECT e.* FROM Employee e{code}
> Result: exception
> Reason: hard-coded check in IgniteH2Indexing.generateQuery():
> {code}
> if (!qry.startsWith("*"))
>     throw new IgniteCheckedException(...);
> {code}
> *Proposed solution*
> Instead of checking for asteriks, we must also check for "[table/alias].*" pattern.



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