Re: named parameters in SQL functions

Поиск
Список
Период
Сортировка
От Brendan Jurd
Тема Re: named parameters in SQL functions
Дата
Msg-id 37ed240d0911151058x5d562b80o7993034090361060@mail.gmail.com
обсуждение исходный текст
Ответ на named parameters in SQL functions  (Andrew Dunstan <andrew@dunslane.net>)
Список pgsql-hackers
2009/11/16 Andrew Dunstan <andrew@dunslane.net>:
> At Tom's suggestion I am looking at allowing use of parameter names in SQL
> functions instead of requiring use of $1 etc. That raises the question of
> how we would disambiguate a parameter name from a column name. Essentially,
> ISTM, we could use some special marker such as @ (c.f. SQL Server) or :
> (c.f. ecpg) or else we could have some rule that says which name takes
> precedence. I think I prefer a special marker, other things being equal. Is
> there a standard on this?

Sorry if I'm missing something important here, but why not just
resolve the parameter names in whatever way PL/PgSQL has been doing
it?  It seems to work well.

FWIW I always prefix my parameter names with _ to differentiate them
from columns.

Cheers,
BJ


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Simon Riggs
Дата:
Сообщение: Re: Summary and Plan for Hot Standby
Следующее
От: "David E. Wheeler"
Дата:
Сообщение: Re: named parameters in SQL functions