From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
---|---|
To: | Kevin Grittner <kgrittn(at)ymail(dot)com> |
Cc: | "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: record identical operator |
Date: | 2013-09-13 22:20:11 |
Message-ID: | 20130913222011.GC7437@awork2.anarazel.de |
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Lists: | pgsql-hackers |
On 2013-09-13 15:13:20 -0700, Kevin Grittner wrote:
> Andres Freund <andres(at)2ndquadrant(dot)com> wrote:
>
> > I am not actually that concerned with MVCs using this, you're quite
> > capable of analyzing the dangers. What I am wary of is exposing an
> > operator that's basically broken from the get go to SQL.
> > Now, the obvious issue there is that matviews use SQL to refresh :(
>
> I'm not sure why these operators are more broken or dangerous than
> those which already exist to support the text_pattern_ops and
> bpchar_pattern_ops operator families. I could overload those
> operator names as much as possible if that seems better. As I said
> at the start of the thread, I have no particular attachment to
> these operator names. For example, that would mean using ~>=~ as
> the operator for record_image_ge() instead of using >==. It would
> be trivial to make that adjustment to the patch.
Hm. I don't see the similarity. Those have pretty clearly defined
behaviour. Not one that's dependendant on padding bytes, null bitmaps
that can or cannot be present and such.
I guess we need input from others here.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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