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 обсуждение исходный текст | 
| Ответ на | Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL ("Jim C. Nasby" <decibel@decibel.org>) | 
| Ответы | Re: what is difference between LOCAL and GLOBAL TEMP TABLES in PostgreSQL | 
| Список | pgsql-hackers | 
> 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 <bruce@momjian.us> http://momjian.us EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. +
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