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Re: request for a feature -- LIMIT_ROWS_EXAMINED

 

Start with it in the current development branch. If I am not able to
backport that then we can talk again.

On Tue, Jan 3, 2012 at 1:33 AM, Timour Katchaounov
<timour@xxxxxxxxxxxxxxxx> wrote:
> Mark,
>
> There is one thing we didn't specify - in which MariaDB version
> do you want the feature? If you want just a patch, then it could
> be in any version, but if you'd like it to be in a released version,
> then it should be in 5.5.
>
> If you want it to be both in an older version, and in 5.5, then
> there will be slight differences IMO because in 5.3 there are few
> new join algorithms, and the related code has changed.
>
> Timour
>
>
> On 23.12.2011 06:38, MARK CALLAGHAN wrote:
>>
>> Yes, I don't think it is a lot of work. I started on it myself but
>> don't trust myself to modify optimizer code. I think we can find a
>> bigger project to collaborate on in 2012 -- probably something related
>> to replication.
>>
>> On Wed, Dec 21, 2011 at 12:57 PM, Michael Widenius<monty@xxxxxxxxxxxx>
>>  wrote:
>>>
>>>
>>> Hi!
>>>
>>>>>>>> "MARK" == MARK CALLAGHAN<mdcallag@xxxxxxxxx>  writes:
>>>
>>>
>>> MARK>  A warning would be excellent. An error would be a problem.
>>> Returning
>>> MARK>  OK is probably not the best result when the examined limit is
>>> reached.
>>>
>>> Ok, we will try to develop this feature (with a ok + warning) this year.
>>> (Should not be that many hours of work).
>>>
>>> Regards,
>>> Monty
>>
>>
>>
>>
>



-- 
Mark Callaghan
mdcallag@xxxxxxxxx


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