Re: temporary indexes?
От | Adrian Klaver |
---|---|
Тема | Re: temporary indexes? |
Дата | |
Msg-id | 5627EAC2.9070008@aklaver.com обсуждение исходный текст |
Ответ на | Re: temporary indexes? (Jonathan Vanasco <postgres@2xlp.com>) |
Ответы |
Re: temporary indexes?
|
Список | pgsql-general |
On 10/21/2015 12:27 PM, Jonathan Vanasco wrote: > > On Oct 21, 2015, at 2:59 PM, Jeff Janes wrote: >> I think he means more like: >> >> create temporary table temp_test(id int, fld_1 varchar); >> create temporary index on permanent_table (fld_1); >> >> select something from temp_test join permanent_table using (fld_1) where a=b; >> select something_else from temp_test join permanent_table using (fld_1) where c=d; > > Yes. That's exactly what I mean: A "temporary index" on a "permanent table" , which expires in the same manner of a "temporarytable". I misunderstood then. The only thing I can think of is to wrap in a transaction, though that presents other issues with open transactions and/or errors in the transaction. > > > > -- Adrian Klaver adrian.klaver@aklaver.com
В списке pgsql-general по дате отправления: