Fibplus Problem mit Transaction

[Valeo Pupsus]

..aha..
...

Delphi-Quellcode:

q.SQL.Text := 'select myfield from mytable';
q.Open;
q.edit;
q.fields[0].asString := 'Ich moechte das shreiben!';
transaction.start;
try    
  q.post;
  transaction.commit;
except
  transaction.rollback;
end;

...