Re: Insert more than one t-uple in a single sql

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От David Fetter
Тема Re: Insert more than one t-uple in a single sql
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Msg-id 20060210011157.GC15836@fetter.org
обсуждение исходный текст
Ответ на Re: Insert more than one t-uple in a single sql  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Insert more than one t-uple in a single sql  ("Silas Justiniano" <silasju@gmail.com>)
Список pgsql-general
On Thu, Feb 09, 2006 at 07:12:45PM -0500, Tom Lane wrote:
> >> You can't do that in postgres, sorry. That's a mysql-ism.
> >>
> >> Gonzalo Villegas wrote:
> >>
> >>> It must be something like
> >>> insert into table (field1,field2,...) values (v1,v2,...),(b1,b2,...),
> >>> (c1,c2,...)
>
> Actually, that's not a mysql-ism, it's SQL-spec syntax.  We haven't
> got round to implementing it, partly because the SELECT ... UNION
> ALL ...  syntax provides a perfectly good substitute.  It is on the
> TODO list though.

Another way it's different from COPY is that the VALUES can take
expressions.

What all would need to change in order to implement this?  There
appear to be things in src/backend/parser and src/bin/psql that bear
on this.  Would libpq and ecpg need to change?

Cheers,
D
--
David Fetter david@fetter.org http://fetter.org/
phone: +1 415 235 3778

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