Re: omap functions in librados.h

[Wido den Hollander <wido@widodh.nl>]

On 08/17/2012 09:54 PM, Gregory Farnum wrote:
> On Fri, Aug 17, 2012 at 12:36 PM, Wido den Hollander <wido@widodh.nl> wrote:
>> Hi,
>>
>> I'm looking for the omap functions in librados.h, but they only seem to be
>> implemented in librados.hpp?
>>
>> I want to store about 6000 objects in a RADOS pool, but I want to give them
>> some attributes I can query for, this should be possible with the omap
>> functionality, shouldn't it?
> What do you mean, query for? You can look at an object and ask if it
> has "foo=bar" in its omap, but you can't say "give me all objects with
> 'foo=bar'".
>

Ah, I must have understood that differently. I thought that leveldb was 
added so you could give objects attributes you could query.

So yes: "Give me all objects that have foo=bar"

I thought I saw some discussion regarding this.

Any ideas besides setting up a own external database with this information?

Wido

>
>> Do to this I want to use phprados, but that is using the C-functions, so
>> that's why I'm asking.
>>
>> Has this been forgotten or is there something blocking it?
> It'll probably be inconvenient as always due to memory management, but
> it's not blocked by anything that I'm aware of.
> -Greg
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