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Date: Wed, 30 Sep 2015 06:17:04 +0000 (UTC)
From: "Khurram Faraaz (JIRA)" <jira@apache.org>
To: issues@drill.apache.org
Message-ID: <JIRA.12822733.1429637181000.110381.1443593824595@Atlassian.JIRA>
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 <JIRA.12822733.1429637181450@arcas>
Subject: [jira] [Closed] (DRILL-2837) Resolve what Statement.cancel() really
 should do
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     [ https://issues.apache.org/jira/browse/DRILL-2837?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Khurram Faraaz closed DRILL-2837.
---------------------------------

> Resolve what Statement.cancel() really should do
> ------------------------------------------------
>
>                 Key: DRILL-2837
>                 URL: https://issues.apache.org/jira/browse/DRILL-2837
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Client - JDBC
>            Reporter: Daniel Barclay (Drill)
>            Assignee: Daniel Barclay (Drill)
>             Fix For: 1.2.0
>
>
> It is not clear exactly what JDBC's Statement.cancel() method is supposed to do.
> The Javadoc method description for cancel() says only:
> bq. Cancels this Statement object if both the DBMS and driver support aborting an SQL statement. This method can be used by one thread to cancel a statement that is being executed by another thread.
> In particular, it's not clear what "cancels this Statement" really means.  (The JDBC PDF specification doesn't anything about it.)
> &nbsp;
> It seems reasonable to think that calling cancel() on a Statement cancels any associated query that has not already completed, leaves any associated ResultSet closed, and --leaves the statement closed--.
> However, JDBC doesn't actually specify any of that, AvaticaStatement.cancel() does not close the Statement, and it's not clear whether SQLLine expects the above interpretation or not.


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