Re: Why are stored procedures looked on so negatively?
От | Merlin Moncure |
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Тема | Re: Why are stored procedures looked on so negatively? |
Дата | |
Msg-id | CAHyXU0yRr=_k-aJj2pwETbt+yYZtpSwXeF4av_e_B-OwW28Kog@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Why are stored procedures looked on so negatively? (Chris Travers <chris.travers@gmail.com>) |
Ответы |
Re: Why are stored procedures looked on so negatively?
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Список | pgsql-general |
On Fri, Aug 2, 2013 at 1:49 AM, Chris Travers <chris.travers@gmail.com> wrote: > Here's my $0.02 > > Stored procedures have a bunch of problems historically. Part of this is > because the interface traditionally is pretty spartan, and partly because > some people take them too far. > > The first issue is that if you have a stored procedure which takes 2 > arguments and you need to extend it to three, then you have to change every > call in the calling application. This can create a maintenance problem. > Variadic functions help somewhat but there are limits to what a variadic > function can do here. This is true of most popular languages. The other defenses are default arguments (use very sparingly), overloading, and named parameter arguments. If you're writing library routines that need to accommodate a lot of behaviors, named arguments + use of defaults is a pretty neat way to go. merlin
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