What would be better? Error codes or a more detailed exception hierarchy? A
mix?
On Fri, Mar 29, 2013 at 6:59 AM, Alex Ott <[email protected]> wrote:
> Hi
>
> Regarding error handling - it would be nice to have some common set of
> error codes (enum?) propagated together with exception - in my app I
> don't know which database will be supported until runtime (I link only
> core, and modules are loaded dynamically), so I can't link specific DB
> modules to get DB-specific exceptions. What I can see right now,
> something like:
> - Connection exceptions:
> - server isnt' available
> - authorization error
> - ...
> - Query/commands exceptions:
> - bad command
> - permission error
> - ....
>
> What do you think?
>
> On Thu, Mar 28, 2013 at 10:40 PM, Vadim Zeitlin <[email protected]>
> wrote:
> > This is the major stuff, yes. I'd also like to implement #51, already
> > mentioned in the roadmap, and work on tracing/error reporting. I didn't
> > have time to really think about it yet, so I'm not even sure if it's
> going
> > to be one thing or two but, in brief, I'd like to be able to:
> >
> > (a) Optionally log all SQL statements being sent to the database.
> > (b) Be able to show not only the text of failing request but also the
> > values of parameters used for it.
> >
> > The last one is especially important as currently our application can
> give
> > error messages of the form
> >
> > Violation of PRIMARY or UNIQUE KEY constraint "unique_foo_bar"
> > on table "table_name" while executing
> > "insert into table_name(foo, bar) values (:foo, :bar)"
> >
> > which is singularly unhelpful -- we really need to have the values this
> > statement was executed with and not just the placeholders.
>
>
> --
> With best wishes, Alex Ott
> http://alexott.net/
> Twitter: alexott_en (English), alexott (Russian)
> Skype: alex.ott
>
>
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