Hi,
Thanks for response,
>
> 1. why invalidId returns UUID::generate()?
>
I'm using uuid as id for Client table so when error I want my default id
is uuid.
2. Client has no fields "note" and "name".
Sorry for that, I was trying to abstract my problem so I missed to add
those fields to my last email.
When I extracted my dbo classes to a clean project in order to post them
here, I found they work with no problem. So until now I don't know where
the problem is.
Is there any way to view the generated queries with its parameters not the
way setProperty("show-queries", "true") do.
On Tue, Jan 7, 2014 at 4:06 PM, Nagaev Boris <[email protected]> wrote:
> Hello,
>
>
> 1. why invalidId returns UUID::generate()?
> 2. Client has no fields "note" and "name".
>
> Could you provide complete example as .cpp file?
>
> Regards,
> Boris Nagaev
>
>
> On Tue, Jan 7, 2014 at 11:13 AM, Muhammad Nasser Al-Noimi
> <[email protected]> wrote:
> > Hi,
> >
> > I'm trying to update a record using modify() for table with altered
> primary
> > key, But the commit fails and exit with error: "constraint failed". When
> I
> > checked the query generated I noticed that the primary key is in the
> fields
> > list.
> >
> > The following code demonstrate the problem:
> >
> > //Definitions
> > typedef long long DbId;
> > namespace Wt {
> > namespace Dbo {
> > template<>
> > struct dbo_traits<Client> : public dbo_default_traits {
> > static DbId invalidId() { return UUID::generate(); }
> > static const char *surrogateIdField() { return 0; }
> > };
> > }
> > class Client {
> > public:
> > DbId id;
> > template<class Action>
> > void persist(Action& a)
> > {
> > dbo::id(a, id, "id");
> > }
> > };
> >
> > // This is how I search for record to be modified:
> > clientPtr = session()->find<Client>().where("name = ?").bind("name");
> > // Every thing is ok until now, I can obtain the data and there is a
> result
> > of this query
> >
> > //The error pops when I call the following:
> > clientPtr.modify()->note = "note";
> >
> > Thanks alot,
> > Nasser Al-Noimi
> >
> >
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