Re: Better management of mergejoinable operators

From: Michael Glaesemann <grzm(at)seespotcode(dot)net>
To: Michael Glaesemann <grzm(at)seespotcode(dot)net>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: Better management of mergejoinable operators
Date: 2006-12-13 03:37:08
Message-ID: 5D94FF61-DC0B-446A-B304-0A54B683A44C@seespotcode.net
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On Dec 13, 2006, at 12:33 , Michael Glaesemann wrote:

>
> On Dec 13, 2006, at 8:45 , Tom Lane wrote:
>
>> the entire operator/function structure is built on the
>> assumption that there is, say, only one "=" between any two
>> datatypes.
>
> You mean only on "=" between any two values of a given datatype?

Ignore that. :) if that were true, you wouldn't need to have both
left and right argument types. I think I got it now.

Michael Glaesemann
grzm seespotcode net

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