Subject Re: [IBO] Error when using UTF8 charset during metadata queries?
Author Martijn Tonies
Hi Jason,

> I don't know what to do about this issue.
> It seems there is a need of some kind of transliteration.
> Where do we look first?

The system tables use a different characterset, perhaps it's possible
to request the results of the metadata query in a specific charset?

Martijn Tonies
Database Workbench - tool for InterBase, Firebird, MySQL, NexusDB, Oracle &
MS SQL Server
Upscene Productions
http://www.upscene.com
My thoughts:
http://blog.upscene.com/martijn/
Database development questions? Check the forum!
http://www.databasedevelopmentforum.com

> Jason
>
> > -----Original Message-----
> > From: IBObjects@yahoogroups.com [mailto:IBObjects@yahoogroups.com]On
> > Behalf Of Martijn Tonies
> > Sent: Friday, February 23, 2007 3:20 AM
> > To: ibobjects@yahoogroups.com
> > Subject: [IBO] Error when using UTF8 charset during metadata queries?
> >
> >
> > Hi Jason,
> >
> > I'm connecting via Database Workbench to an UTF8 charset database.
> >
> > When I do this:
> > select
> > *
> > from
> > UTF8TEST
> >
> > in a (wrapped) TIBODataset, I get:
> > arithmetic exception, numeric overflow, or string truncation
> >
> > with a trace of:
> > SELECT S.RDB$FIELD_NAME
> > , I.RDB$RELATION_NAME
> > FROM RDB$RELATION_CONSTRAINTS C
> > , RDB$INDICES I
> > , RDB$INDEX_SEGMENTS S
> > WHERE C.RDB$CONSTRAINT_TYPE = 'PRIMARY KEY'
> > AND C.RDB$RELATION_NAME = I.RDB$RELATION_NAME
> > AND C.RDB$INDEX_NAME = I.RDB$INDEX_NAME
> > AND I.RDB$INDEX_NAME = S.RDB$INDEX_NAME
> > ORDER BY I.RDB$RELATION_NAME ASC
> > , S.RDB$FIELD_POSITION ASC
> >
> > SELECT S.RDB$FIELD_NAME
> > FROM RDB$RELATION_CONSTRAINTS C
> > , RDB$INDICES I
> > , RDB$INDEX_SEGMENTS S
> > WHERE C.RDB$CONSTRAINT_TYPE = 'PRIMARY KEY'
> > AND C.RDB$RELATION_NAME = I.RDB$RELATION_NAME
> > AND C.RDB$INDEX_NAME = I.RDB$INDEX_NAME
> > AND I.RDB$INDEX_NAME = S.RDB$INDEX_NAME
> > AND I.RDB$RELATION_NAME = ? /* RDB$RELATION_NAME */
> > ORDER BY S.RDB$FIELD_POSITION ASC
> >
> > PARAMS = [ Version 1 SQLd 1 SQLn 1
> > [RDB$RELATION_NAME] = 'UTF8TEST
> > ' ]
> >
> >
> > SELECT UTF8TEST.*
> > , UTF8TEST.RDB$DB_KEY
> > from
> > UTF8TEST
> >
> > PLAN (UTF8TEST NATURAL)
> >
> > SELECT R.RDB$FIELD_NAME
> > , R.RDB$RELATION_NAME
> > FROM RDB$RELATION_FIELDS R
> > , RDB$FIELDS F
> > WHERE R.RDB$FIELD_SOURCE = F.RDB$FIELD_NAME
> > AND F.RDB$COMPUTED_SOURCE IS NOT NULL
> > AND NOT R.RDB$RELATION_NAME STARTING WITH 'RDB$'
> > ORDER BY 1 ASC
> >
> >
> > SELECT R.RDB$RELATION_ID || '=', R.RDB$RELATION_NAME
> > FROM RDB$RELATIONS R
> > ORDER BY 1 ASC
> >
> > PLAN SORT ((R NATURAL))
> >
> >
> > Whenever I retry the query in the Query Editor, it works
> > fine. So it appears
> > IBO is raising the error in the last metadata query, because
> > it doesn't
> > execute
> > those anymore.
> >
> > A second attempt gives me this trace:
> >
> > SELECT UTF8TEST.*
> > , UTF8TEST.RDB$DB_KEY
> > from
> > UTF8TEST
> >
> > PLAN (UTF8TEST NATURAL)
> >
> >
> >
> > Got a clue?
> >
> > Martijn Tonies
> > Database Workbench - tool for InterBase, Firebird, MySQL,
> > NexusDB, Oracle &
> > MS SQL Server
> > Upscene Productions
> > http://www.upscene.com
> > My thoughts:
> > http://blog.upscene.com/martijn/
> > Database development questions? Check the forum!
> > http://www.databasedevelopmentforum.com
>
>
>
>
>
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