| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Gregory Stark <stark(at)enterprisedb(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Michael Glaesemann <grzm(at)seespotcode(dot)net>, Ben Tilly <btilly(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: SQL feature requests |
| Date: | 2007-08-23 14:51:31 |
| Message-ID: | 20070823145131.GT26038@alvh.no-ip.org |
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| Thread: | |
| Lists: | pgsql-hackers |
Gregory Stark escribió:
> The upside is the convenience which after all is the same upside as most of
> our spec grammar extensions. Many many programmers are accustomed to entering
> ad-hoc queries of this form and forcing them to enter an alias for no purpose
> is just silly pedanticism from their point of view. The portability of ad-hoc
> queries is meaningless and if you don't refer to the alias in the query then
> it's truly pointless.
So there's the compromise: allow not specifying an alias only if it's
not used in the rest of the query at all, so the subquery would be
effectively anonymous.
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
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