Not sure I completely understand, and you may (possibly, don't have the time to double[unintended pun] check) get snagged by some non-US EBCDIC variant where Unicode is double byte but the code set isn't. But...
You should be able to take the Unicode string character by character and put it into a char variable, which is 16 bits. Check the numeric value of the char. If GT 127, then it's a double byte.
Does that help or did I completely miss your problem?
I also wonder how helpful persisting only half a string will be. You do know that the AS/400 now supports UTF-8, right? Of course, that may not be an option; don't know your app. HTH,
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----- Original Message ----- From: "David Gibbs" <david@xxxxxxxxxxxx>
To: "Java Programming on and around the iSeries / AS400" <java400-l@xxxxxxxxxxxx>
Sent: Tuesday, June 24, 2008 2:50 PM
Subject: Determine if a String will result in a double byte value in DB2/400?
Does anyone know if there is a way, using JT400, to determine if the
value of a String will result in double byte data once stored in a
DB2/400 database column (assuming an appropriate CCSID, like 5026)?
I've got a situation where I could be handed variable length unicode
data in a String variable ... and I need to store the value in a fixed
length DB2 database field. Problem is, I need to trim the data to the
appropriate length before setting the value in the sql statement so it
doesn't overflow the field.
IBM System i - For when you can't afford to be out of business
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