Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL
От
Bruce Momjian
Тема
Re: what is difference between LOCAL and GLOBAL
TEMP TABLES in PostgreSQL
Дата
Msg-id
200707040320.l643KRh09981@momjian.us
Ответ на
Список
Дерево обсуждения
what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL "Pavel Stehule" <pavel.stehule@gmail.com>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL Tom Lane <tgl@sss.pgh.pa.us>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL "Pavel Stehule" <pavel.stehule@gmail.com>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL Jim Nasby <decibel@decibel.org>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL Tom Lane <tgl@sss.pgh.pa.us>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL "Pavel Stehule" <pavel.stehule@gmail.com>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL Alvaro Herrera <alvherre@commandprompt.com>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL Tom Lane <tgl@sss.pgh.pa.us>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL "Pavel Stehule" <pavel.stehule@gmail.com>
Re: what is difference between LOCAL and GLOBAL
TEMP TABLES in PostgreSQL Bruce Momjian <bruce@momjian.us>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL "Jim C. Nasby" <decibel@decibel.org>
Re: what is difference between LOCAL and GLOBAL
TEMP TABLES in PostgreSQL Bruce Momjian <bruce@momjian.us>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL "Pavel Stehule" <pavel.stehule@gmail.com>
Re: what is difference between LOCAL and GLOBAL
TEMP TABLES in PostgreSQL Bruce Momjian <bruce@momjian.us>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL Gregory Stark <stark@enterprisedb.com>
Re: what is difference between LOCAL and GLOBAL TEMPTABLES in PostgreSQL "Simon Riggs" <simon@2ndquadrant.com>
Re: what is difference between LOCAL and GLOBAL
TEMP TABLES in PostgreSQL Bruce Momjian <bruce@momjian.us>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL Tom Lane <tgl@sss.pgh.pa.us>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL Gregory Stark <stark@enterprisedb.com>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL Gregory Stark <stark@enterprisedb.com>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL "Jaime Casanova" <systemguards@gmail.com>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL Gregory Stark <stark@enterprisedb.com>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL "Pavel Stehule" <pavel.stehule@gmail.com>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL Gregory Stark <stark@enterprisedb.com>
Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL "Pavel Stehule" <pavel.stehule@gmail.com>
> The use case is any system that uses temp tables in an OLTP setting, > which certainly isn't uncommon. The problem is that today (and as well > with a global temp table that is still writing to the catalogs) is that > every OLTP operation that creates or drops a temp table is doing DDL. > At best, that leads to a lot of catalog bloat. Right now, it appears to > also expose some race conditions (we've got a customer that's been bit > by this and we've been able to reproduce some odd behavior in the lab). The solution is to fix the bloat, not add a work-around. -- Bruce Momjian http://momjian.us EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. +
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