Re: PostgreSQL and transactions.

From: Date: Mon, 08 Oct 2001 19:01:21 +0000
Subject: Re: PostgreSQL and transactions.
References: 1  Groups: php.db 
Request: Send a blank email to php-db+get-13108@lists.php.net to get a copy of this message
On Mon, Oct 08, 2001 at 12:13:10PM +0100, Morten Bruun wrote: > Hi there! > > I was thinking about using PostgreSQL because I need the transaction > management features, but I've come across a problem: > > $connection1 = pg_pconnect('dbname=mydb'); > $connection2 = pg_pconnect('dbname=mydb'); > > pg_exec($connection1, "begin"); > pg_Exec($connection1, "insert into mytable values ('firstvalue')"); > pg_Exec($connection2, "insert into mytable values ('secondvalue')"); > pg_Exec($connection1, "rollback"); Why do you need two connections? > This piece of code didn't do what I expected it to do. I does not insert > 'secondvalue' into the table mytable. I looked around in the manual > (http://www.php.net/manual/en/) and found out that two identical calls to > pg_connect() returns the same connection. Above you have used pg_pconnect() which is a persistent connection, so it should return the same connection within the script. Theoretically if you use pg_connect it should do what you want - but you don't seem to need 2 connections (unless i'm missing something). Paul > Is there any way of avoiding this? And does that mean that different > request to a php page gets the same connection to the database? > > Thanks in advance! > > /Morten > > > -- > PHP Database Mailing List (http://www.php.net/) > To unsubscribe, e-mail: php-db-unsubscribe@lists.php.net > For additional commands, e-mail: php-db-help@lists.php.net > To contact the list administrators, e-mail: php-list-admin@lists.php.net -- ----------------------------------------------------------------- Paul Cooper | Tel: 0121 331 7858 Senior Programmer and Database Engineer | Fax: 0121 331 7859 UCEcom | mailto:pgc@ucecom.com University of Central England | http://www.ucecom.com Birmingham, B4 7DX | -----------------------------------------------------------------

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