[sr-dev] mqueue question

[Elena-Ramona Modroiu]

Hi Alex,

On 10/06/2010 08:56 AM, Alex Balashov wrote:
> Do (key, value) pairs that are mq_add()'d have to be unique?

No, it is no constraint to be unique.

>
> If not, what exactly is the reason for the existence of a 'key' and a 
> 'value' as opposed to just
>
>    mq_add("some_q", "some data");

Easier way to detect is what you looking for. If the first in queue is 
not, you can re-queue it. Key is normally a short identifier. Future 
plans are to be able to fetch items based on key as well.

Regards,
Ramona