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Re: [SQL] undocumented setval()

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Cedar Cox <cedarc(at)visionforisrael(dot)com>
Cc: pgsql-sql(at)postgresql(dot)org, pgsql-docs(at)postgresql(dot)org
Subject: Re: [SQL] undocumented setval()
Date: 2001-08-26 15:24:34
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-docspgsql-sql
Cedar Cox <cedarc(at)visionforisrael(dot)com> writes:
> When looking through a dump file, I noticed a setval(text, int,
> bool).  What is this?  It doesn't appear to be documented.

The bool parameter sets the is_called state bit of the sequence.
Without this you can't restore a sequence to a virgin "never nextval'd"

Actually, none of the sequence-related functions are documented in
what I'd call a proper way.  I think there should be a separate section
of the user's guide "Functions and Operators" chapter that describes
them --- not a large section, but a section nonetheless.  Any
volunteers to write it?

			regards, tom lane

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