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From "Tomohito Nakayama (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-525) getAsciiStreamshould replace non-ASCII characters with 0x3f, '?' to match embedded
Date Wed, 21 Sep 2005 15:45:28 GMT
    [ http://issues.apache.org/jira/browse/DERBY-525?page=comments#action_12330102 ] 

Tomohito Nakayama commented on DERBY-525:
-----------------------------------------

Sorry.
I misread  this issue.

This was issue about getAsciiStream .

Character other than ASCII should be handled in ResultSet#getCharacterStream .
http://java.sun.com/j2se/1.4.2/docs/api/java/sql/ResultSet.html#getCharacterStream(int)
http://java.sun.com/j2se/1.4.2/docs/api/java/sql/ResultSet.html#getCharacterStream(java.lang.String)

> 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: 10.1.2.0, 10.1.1.0, 10.2.0.0
>     Reporter: Kathey Marsden

>
> 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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