| From: | Gregory Stark <stark(at)enterprisedb(dot)com> |
|---|---|
| To: | "Jaime Casanova" <systemguards(at)gmail(dot)com> |
| Cc: | "Alvaro Herrera" <alvherre(at)commandprompt(dot)com>, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Jim Nasby" <decibel(at)decibel(dot)org>, "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL |
| Date: | 2007-07-03 01:59:43 |
| Message-ID: | 87d4za5jsg.fsf@oxford.xeocode.com |
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| Thread: | |
| Lists: | pgsql-hackers |
"Jaime Casanova" <systemguards(at)gmail(dot)com> writes:
> while not just a new rekind indicating this is a template and not and
> actual table. and using that template for creating the actual tables?
For precisely the reason stated upthread. That would mean creating and
deleting catalog entries for every transaction. Imagine a busy OLTP system
running hundreds of transactions per second trying to use a temporary table
for intermediate results. Mixing DDL and DML is just as bad an idea behind the
scenes as it is for users.
--
Gregory Stark
EnterpriseDB http://www.enterprisedb.com
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