Re: Temporary table - Mailing list pgsql-performance

From Larry Rosenman
Subject Re: Temporary table
Date
Msg-id 039001c69711$81058a60$0202fea9@aus.pervasive.com
Whole thread Raw
In response to Temporary table  ("Franklin Haut" <franklin.haut@gmail.com>)
Responses RES: Temporary table
List pgsql-performance
Franklin Haut wrote:
> Hello,
>
> I´m have some problems with a temporary table, i need create a table,
> insert some values, make a select and at end of transaction the table
> must droped, but after i created a table there not more exist, is
> this normal ?
>
> How to reproduce :
>
>
>     CREATE TEMP TABLE cademp (
>            codemp INTEGER,
>            codfil INTEGER,
>            nomemp varchar(50)
>     ) ON COMMIT DROP;
>
>     INSERT INTO cademp (codemp, codfil, nomemp) values (1,1,'TESTE');
>     INSERT INTO cademp (codemp, codfil, nomemp) values (1,2,'TESTE1');
>
>     Select * from cademp;
>
>
>
> In this case, the table cademp doesn´t exist at the first insert, in
> the same transaction.
>

It is NOT the same transaction.  By default, each STATEMENT is it's own
transaction.

Stick a BEGIN; before the create table, and a commit; after the select.

Larry Rosenman
>
>
>
> Tks,
>
> Franklin
>
>
> ---------------------------(end of
> broadcast)--------------------------- TIP 6: explain analyze is your
> friend



--
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 512-248-2683                 E-Mail: ler@lerctr.org
US Mail: 430 Valona Loop, Round Rock, TX 78681-3893


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