Re: Postgre and Web Request - Mailing list pgsql-general

From Mike Mascari
Subject Re: Postgre and Web Request
Date
Msg-id 4091082A.1080802@mascari.com
Whole thread Raw
In response to Re: Postgre and Web Request  (Bill Moran <wmoran@potentialtech.com>)
List pgsql-general
Bill Moran wrote:

> Stefan Sturm wrote:
>
>> Hello,
>>
>>> Depending on your web development environment (java, php,
>>> .NET) etc, you should be able to use some mechanism that will
>>> provide a pool of connections to the database. Each request
>>> does not open a new connection (and then release it), but
>>> insteads gets a connection from the pool to use, and returns
>>> it back to the pool when done.
>>
>> Where can I find some examples for connection pooling with php?
>> Or must I just use persistence connections?
>
> php handles connection pooling more or less automatically ... as
> long as you use pg_pconnect() instead of pg_connect().
>
> You have to be careful using connection pooling.  For example, if
> you create a temporary table and forget to delete it when the the
> script completes, the next time the script runs, it's likely that
> the connection will be reused and the script will cause an error
> because the temp table already exists.

Gavin Sherry added the ON COMMIT DROP clause to CREATE TEMPORARY
TABLE in 7.4 which, depending upon the expected life-cycle of the
temporary table, may prove useful in the above scenario.

FWIW,

Mike Mascari





pgsql-general by date:

Previous
From: Edmund Dengler
Date:
Subject: Unable to use index?
Next
From: "John Sidney-Woollett"
Date:
Subject: Re: Partial index question