Re: Could regexp_matches be immutable?

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: David Fetter <david(at)fetter(dot)org>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Rod Taylor <rod(dot)taylor(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Could regexp_matches be immutable?
Date: 2009-10-15 17:22:52
Message-ID: 4AD75A6C.6040908@agliodbs.com
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> (I'd bet lunch that the one about add_missing_from is bogus, too,
> or could easily be made so. mysql isn't forgiving about missing
> FROM items, so it's hard to believe that they have a lot of such
> things no matter how little they care about Postgres.)

OpenACS does the old-style DELETEs without a subselect, so they rely on
add-missing-from for that. I had to debug this for another user.

--Josh Berkus

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