Re: named parameters in SQL functions

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: named parameters in SQL functions
Date: 2009-11-15 17:51:53
Message-ID: 162867790911150951t6490486fwf1fd53d636ee1bda@mail.gmail.com
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2009/11/15 Andrew Dunstan <andrew(at)dunslane(dot)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?

what about $name ?

Personally I prefer :name, but this colidates with psql local variables :(

Pavel

>
> cheers
>
> andrew
>
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