Re: Could regexp_matches be immutable?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Rod Taylor <rod(dot)taylor(at)gmail(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, david(at)kineticode(dot)com
Subject: Re: Could regexp_matches be immutable?
Date: 2009-10-21 14:27:44
Message-ID: 27607.1256135264@sss.pgh.pa.us
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Rod Taylor <rod(dot)taylor(at)gmail(dot)com> writes:
> It is interesting that "citext" seems to be functional with exactly
> the same statements.

Huh, it looks to me like that's an error in the declaration of the
citext versions of regexp_matches --- they should be declared to return
setof text[], the same as the underlying text functions. David, do you
agree?

regards, tom lane

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