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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5236) Client driver silently truncates strings that exceed 32KB
Date Tue, 30 Aug 2011 08:38:46 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Knut Anders Hatlen updated DERBY-5236:
--------------------------------------

    Issue & fix info: [Repro attached]  (was: [Repro attached, Patch Available])

Thanks for the quick review, Bryan!

Committed revision 1163131.

> Client driver silently truncates strings that exceed 32KB
> ---------------------------------------------------------
>
>                 Key: DERBY-5236
>                 URL: https://issues.apache.org/jira/browse/DERBY-5236
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Client
>    Affects Versions: 10.8.1.2
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>         Attachments: d5236-1a-client-fetch-complete.diff, repro.diff, write-full-string.diff
>
>
> Can be seen with this JUnit test case that retrieves a VARCHAR value with 20000 characters.
With the client driver, the string is truncated to 10900 characters (32700 bytes when encoded
in UTF-8).
>     public void testLongColumn() throws SQLException {
>         PreparedStatement ps = prepareStatement(
>                 "values cast(? as varchar(20000))");
>         char[] chars = new char[20000];
>         Arrays.fill(chars, '\u4e10');
>         String str = new String(chars);
>         ps.setString(1, str);
>         JDBC.assertSingleValueResultSet(ps.executeQuery(), str);
>     }

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