| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Jim Nasby <jim(at)nasby(dot)net>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Joshua D(dot) Drake <jd(at)commandprompt(dot)com>, Jaime Casanova <jaime(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: procpid? |
| Date: | 2011-06-14 20:29:35 |
| Message-ID: | 1308082041-sup-2644@alvh.no-ip.org |
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| Lists: | pgsql-hackers |
Excerpts from Bruce Momjian's message of mar jun 14 12:59:15 -0400 2011:
> Well, someone doing SELECT *, which is probably 90% of the users, are
> going to be pretty confused by duplicate columns, asking, "What is the
> difference"? For those people this would make things worse than they
> are now.
>
> I would say 90% of users are doing SELECT *, and 10% are joining to
> other tables or displaying specific columns. We want to help that 10%
> without making that 90% confused.
I think if you had column synonyms, you would get only a single one when
doing "select *". The other name would still be accepted in a query
that explicitely asked for it.
--
Álvaro Herrera <alvherre(at)commandprompt(dot)com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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