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From "Tomohito Nakayama (JIRA)" <derby-...@db.apache.org>
Subject [jira] Updated: (DERBY-525) getAsciiStreamshould replace non-ASCII characters with 0x3f, '?' to match embedded
Date Sun, 25 Sep 2005 15:07:53 GMT
     [ http://issues.apache.org/jira/browse/DERBY-525?page=all ]

Tomohito Nakayama updated DERBY-525:

    Attachment: DERBY-525.patch

DERBY-525.patch :
Description of patches :
1: modify processing of converting String to byte[] in org.apache.derby.client.am.ResultSet#getAsciiStream(int)

Test :
Executed derby all and found an error in runtimeinfo . 
I read that this error happens because processing of each thread in runtimeinfo finshed not
in the same sequence of  starting the thread .
I attach derbyall_report.txt to this issue also.

DERBY-525.site.patch :
Description of patch :
Modify paper on the derby site , according to http://article.gmane.org/gmane.comp.apache.db.derby.devel/8378.

Test :
I executed "forrest run" and browse the page at http://localhost:8888/papers/JDBCImplementation.html

> getAsciiStreamshould replace non-ASCII characters with 0x3f, '?'  to match embedded
> -----------------------------------------------------------------------------------
>          Key: DERBY-525
>          URL: http://issues.apache.org/jira/browse/DERBY-525
>      Project: Derby
>         Type: Bug
>   Components: Network Client
>     Versions:,,
>     Reporter: Kathey Marsden
>     Assignee: Tomohito Nakayama
>  Attachments: DERBY-525.patch, DERBY-525.site.patch, derbyall_report.txt
> When calling Clob.getAsciiStream or ResultSet.getAsciiStream if 
> the column type is a character type or a CLOB, then any out of 
> range character (to the ASCII set) needs to be replaced by 0x3f 
> ('?', question mark). ASCII is defined as 8 bit characters, 
> thus Unicode Characters in the range 0x0000 to 0x00ff are 
> mapped to ASCII characters 0x00 to 0xff, and Unicode characters 
> in the range 0x0100 to 0xffff are mapped to 0x3f
> By code inspection:
> client code in 
> org.apache.derby.client.am.ResultSet
> embedded in 
> org.apache.derby.impl.jdbc.ReaderToAscii

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