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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4338) Network client raises error "executeQuery method can not be used for update" when sql is preceded by /* */ comments
Date Mon, 31 Aug 2009 16:07:33 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4338?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12749533#action_12749533
] 

Dag H. Wanvik commented on DERBY-4338:
--------------------------------------

Committed derby-4338-d on trunk as svn 809643.


> Network client raises error "executeQuery method can not be used for update" when sql
is preceded by /* */ comments
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-4338
>                 URL: https://issues.apache.org/jira/browse/DERBY-4338
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Client
>    Affects Versions: 10.4.1.3, 10.4.2.0, 10.5.1.1, 10.5.2.0, 10.5.3.0
>            Reporter: Will Gomes
>            Assignee: Dag H. Wanvik
>             Fix For: 10.6.0.0
>
>         Attachments: derby-4338-a.diff, derby-4338-a.stat, derby-4338-b.diff, derby-4338-b.stat,
derby-4338-c.diff, derby-4338-c.stat, derby-4338-d.diff, derby-4338-d.stat
>
>
> Network derby client does not properly detect a sql select statement preceded by /* */
comments.  As a result the sql appears to be detected as an update statement, and results
in  the following error:
>  org.apache.derby.client.am.SqlException: executeQuery method can not be used for update.
> 	at org.apache.derby.client.am.Statement.checkForAppropriateSqlMode(Unknown Source)
> 	at org.apache.derby.client.am.PreparedStatement.flowExecute(Unknown Source)
> 	at org.apache.derby.client.am.PreparedStatement.executeQueryX(Unknown Source)
> The problem appears to be in Statment.parseSqlAndSetSqlModes(), which only appears to
check for "--" style comments.

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