PHP + MySQL Queue

Question

I need a simple table that acts as a Queue. My MySQL server restriction is I can\'t use InnoDB tables, only MyISAM.

Clients/workers will work at the same time and they w

Answer 1

Oleg,

The solution is correct. $consumer_id must be a unique identifier for the processor. If you had a couple cron jobs on one machine, for example, you could use their pid as the consumer ID .

The UPDATE is atomic, so it marks exactly one row in the queue as being consumed by your ID.

For some applications I also have a status field for finished, so that if last_pop's consumer_id is set, but the finished flag is not set and the job is older than X, it can be marked to be restarted.