Re: Survey on backing up unlogged tables: help us with PostgreSQL development!

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Derrick Rice <derrick(dot)rice(at)gmail(dot)com>
Cc: Yeb Havinga <yebhavinga(at)gmail(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, Glen Parker <glenebob(at)nwlink(dot)com>, PostgreSQL general <pgsql-general(at)postgresql(dot)org>
Subject: Re: Survey on backing up unlogged tables: help us with PostgreSQL development!
Date: 2010-11-17 16:07:08
Message-ID: 27618.1290010028@sss.pgh.pa.us
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Derrick Rice <derrick(dot)rice(at)gmail(dot)com> writes:
> Is there a difference between a global temporary table (if such a thing
> existed in PostgreSQL) and an unlogged table?

Yes --- IIRC, a "global temp table" per spec has session-local contents.
An unlogged table acts just like any other table except with respect to
crash safety.

regards, tom lane

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