[fpc-devel] IBConnection and transactions

[Joost van der Sluis]

On Sun, 2006-04-30 at 20:09 +0200, Michael Van Canneyt wrote:
> On Sun, 30 Apr 2006, Joost van der Sluis wrote:
> > I have a problem that I do not understand.
> >
> > the following doesn't work with firebird:
> >
> >   Fconnection.ExecuteDirect('create table FPDEV (id INT)');
> >   Fconnection.ExecuteDirect('insert into FPDEV(id) values (1)');
> >
> > But the following does:
> >
> >   Fconnection.ExecuteDirect('create table FPDEV (id INT)');
> >   FConnection.Transaction.commitretaining;
> >   Fconnection.ExecuteDirect('insert into FPDEV(id) values (1)');
> >
> > But both statements are executed within the same transaction?
> 
> No they are not. CommitRetaining is like
> Commit;
> Starttransaction;
> only keeps the resources of the current transaction.
> 
> In all the years I worked with interbase/firebird,
> I've learned to explicitly commit after each DDL statement.

Ok, that explains it. But in fact that's a bug in Interbase/Firebird
imho...

Thanks for the info.

Joost.