From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: type info refactoring |
Date: | 2010-10-31 21:58:53 |
Message-ID: | 1288562333.5712.13.camel@vanquo.pezone.net |
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Lists: | pgsql-hackers |
On sön, 2010-10-31 at 10:39 -0400, Tom Lane wrote:
> To my mind, the reason we have a distinction between type OID and
> typmod
> is that for most operations, you know the type OID of the result but
> not the typmod. Trying to force typmod into every API that currently
> works with type OIDs isn't going to alter that, so the net result will
> just be a lot of inefficiency and extra notation to carry around
> "I don't know" markers.
This patch doesn't introduce typmods into places that didn't deal with
them before. It only replaces function calls and structures that had
separate arguments/fields for type OID and typmod with a single
argument/field.
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