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Re: Catalogs design question

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Steve Howe" <howe(at)carcass(dot)dhs(dot)org>
Cc: "Haller Christoph" <ch(at)rodos(dot)fzk(dot)de>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Catalogs design question
Date: 2001-10-28 17:21:31
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Lists: pgsql-hackers
"Steve Howe" <howe(at)carcass(dot)dhs(dot)org> writes:
>> As long as there are at maximum 8 parameters allowed, this looks
>> practicable.

> There is no limit on the number of arguments.

You're both wrong: the limit is FUNC_MAX_ARGS, which hasn't been 8 in
quite some time.  It's presently 16 by default, and can be configured
higher at build time.

For the purposes of a frontend application, I think it's best to assume
that the specific limit is unknown --- ie, you should be able to
interoperate with a backend regardless of the FUNC_MAX_ARGS value it
was built with.

			regards, tom lane

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