Re: Thread safe
| From: | Miguel Cruz | Date: | Tue, 28 May 2002 18:44:58 +0000 |
| Subject: | Re: Thread safe | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-99534@lists.php.net to get a copy of this message | ||
On Mon, 27 May 2002, r wrote:
> In java servlets I used to use a "synchronised" block of code to make sure
> it was thread safe...how do i do this in PHP?
>
> Heres what should be thread safe
>
> {
> $r=select max(cno)+1 from MyTable;
> (then i insert into the table the new cno plus my name)
> insert into mytable ($r,'myname');
> }
> How to do this and make sure its thread safe?
More of a database issue. "select ... for update" is a good starting point
as you search the manual of your particular database platform.
miguel