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Re: [ Re: [GENERAL] array_to_set functions]

From: "Merlin Moncure" <mmoncure(at)gmail(dot)com>
To: "Bruce Momjian" <bruce(at)momjian(dot)us>
Cc: "Michael Glaesemann" <grzm(at)seespotcode(dot)net>, Decibel! <decibel(at)decibel(dot)org>, "Jeremy Drake" <pgsql(at)jdrake(dot)com>, "PostgreSQL Hackers" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [ Re: [GENERAL] array_to_set functions]
Date: 2007-08-15 01:48:34
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On 8/14/07, Bruce Momjian <bruce(at)momjian(dot)us> wrote:
> TODO item?

I would say yes...array_accum is virtually an essential function when
working with arrays and the suggested array_to_set (and it's built in
cousin, _pg_expand_array) really should not be built around
generate_series when a C function is faster and will scale much

array_to_set, as suggested in SQL, is something only a relative expert
with PostgreSQL could be expected to write.

Thus could generate_series be relieved from providing the only core
function for set returning functions in the documentation.  IMO, this
part of the documentation could use some expansion anyways :)


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