Re: IODBC32.DLL: Access Violation

Many thanks! Hiroshi,

> > > > psqlODBC 7.02.0002 + PostgreSql 7.2.1 + Borland BDE +Windows95.
> >
> > [snip]
> >
> > > >
> > > > Thus, I am trying to use TEXT column instead - and fail, too:
> > > >
> > > > create table MyTable (c1 integer,c2 text);
> > > > --Then fill up value2 with string value using Delphi.
> > > > INSERT INTO MyTable VALUES(:value1,:value2)
> > > >
> > > > The INSERT results in Access Violation from IDODBC32.DLL.
> > > > Please note that value2 is about 55 kbytes in size and contains
> > > > some low values, '\0' in terms of C. Can this be the problem
> > > > confusing pgsqlODBC?
> > >
> > > Yes.
> >
> > I have then also removed low values from the string but AV remains. I have set the pgsqlODBC switches according to the instructions in:
> >
> > http://gborg.postgresql.org/project/psqlodbc/faq/faq.php?faq_id=61
> >
> > Can '\r' or '\n' be a problem?
>
> Maybe. Please turn off *LF <-> CR/LF conversion* DSN
> option setting.
>
> > What are the allowed/disallowed characters in LongVarChar
> > (to be sent to postgreSQL TEXT data type column)?
>
> AFAIK there's no inhibited character other than '\0'.
> However there may be another problem. If you are in a
> multibyte environment the client encoding would be
> converted to the server's one.

Now I found that the problem has nothing to do with the data itself in the string to be inserted. It is the _size_ of the string which causes IDODBC32.DLL Access Violation. The insert is OK for several bytes, but data with 55 kbytes causes ODBC AV. Any idea?

Regards, CNLIOU
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