| From: | Fernando Nasser <fnasser(at)redhat(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Thomas Lockhart <thomas(at)fourpalms(dot)org>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Domains and type coercion |
| Date: | 2002-03-21 18:47:03 |
| Message-ID: | 3C9A2AA7.B0659415@redhat.com |
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| Lists: | pgsql-hackers |
Tom Lane wrote:
>
> If we take the hard SQL99 line that domains *are* the base type plus
> constraints, then we could reduce domains to base types before we start
> the entire matching process, and this issue would go away. This would
> prevent declaring any specialized operators or functions for a domain.
> (In fact, I'd be inclined to set things up so that it's impossible to
> store domain type OIDs in pg_proc or pg_operator, thus saving the time
> of doing getBaseType on one side of the match.) Thoughts?
>
IMHO this is the right thing to do.
--
Fernando Nasser
Red Hat - Toronto E-Mail: fnasser(at)redhat(dot)com
2323 Yonge Street, Suite #300
Toronto, Ontario M4P 2C9
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