Em 20/06/2012 11:00, fe...@crowfix.com escreveu:
On Wed, Jun 20, 2012 at 06:36:09AM -0700, fe...@crowfix.com wrote:
On Tue, Jun 19, 2012 at 11:25:24AM -0600, Scott Marlowe wrote:
On Tue, Jun 19, 2012 at 8:50 AM, Edson Richter <edsonrich...@hotmail.com> wrote:
There is also the case of dynamically generated sql statements based on user
selection... being syntax or not, I would never want half job done. Thia is the
purpose of transactions: or all or nothing...
This this this, and again, this. Imagine:
begin;
insert into tableb selcet * from tableb;
truncate tableb;
commit;
What should happen when we get to the error on the second line? Keep
going? Boom, data gone because of a syntax error.
I've been lurking, and maybe I should go back to that :-) but I think you
misunderstand. The idea is not to ignore or second-guess typoes, but to report
them without affecting the transaction, and only do this in interactive
sessions.
Personally, I like the idea of BEGIN INTERACTIVE, but note I do not offer to do
the work.
Looks like I should go back to lurking, and do better at it :-(
The discussion began about differentiatng typoes and other errors, which is
clearly not easy or obvious, and something that has always frustrated me when I
find programs which try to do so. Then I saw the idea of BEGIN INTERACTIVE and
lost sight of the discussion.
My apoligies for stepping in so badly.
Don't be sorry, your question arrived a great discussion.
Nobody is mad about that, is just a matter to have great minds having
great discussions!
Thansk for bringing that. Does not mean I agree with your point, but the
debate is bigger than my personal opinion.
I'm certain that something good will arrive from this thread.
In time: I believe that "Begin Interactive" is not a good idea. Such
behavior shall be built in the interface application, not in database
backend... As I stated before, being tolerant or not, or trying to
"guess" what user means is a task for the interface. The database must
keep the "always safe, always good" policy with data.
Regards,
Edson.
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