Re: temporary indexes? - Mailing list pgsql-general

From Adrian Klaver
Subject Re: temporary indexes?
Date
Msg-id 5627EAC2.9070008@aklaver.com
Whole thread Raw
In response to Re: temporary indexes?  (Jonathan Vanasco <postgres@2xlp.com>)
Responses Re: temporary indexes?  (Jonathan Vanasco <postgres@2xlp.com>)
List 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


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