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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5749) VARCHAR args to stored methods are silently truncated if too long for the argument type.
Date Wed, 09 May 2012 20:57:49 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Dag H. Wanvik updated DERBY-5749:

    Attachment: DERBY-5749.stat

Attaching a patch which makes the casts used here use the assignment semantics, which leads
to SQLChar#setWidth method is called with argument errorOnTrunc == true.
This will make the cast throw if one or more non-blanks are truncated. 

Added a new test RoutineTest#test_5749 which contains the test cases from the repro.

Running regressions.
> VARCHAR args to stored methods are silently truncated if too long for the argument type.
> ----------------------------------------------------------------------------------------
>                 Key: DERBY-5749
>                 URL: https://issues.apache.org/jira/browse/DERBY-5749
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC, SQL
>    Affects Versions:,,,,,,,,,,,,,,,,,,,
>            Reporter: Dag H. Wanvik
>         Attachments: DERBY-5749.diff, DERBY-5749.stat, SilentVarcharArgTruncation.java,
> Cf the attached repro SilentVarcharArgTruncation.
> It seem implicit casts are inserted here, cf discussion on derby-dev thread starting
here: http://mail-archives.apache.org/mod_mbox/db-derby-dev/201205.mbox/%3Cx67gwm7hir.fsf%40oracle.com%3E

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