maria-developers team mailing list archive

[Alexander Barkov <bar@xxxxxxxxxxx>]

Hi Sergei,

On 03/22/2016 09:48 PM, Sergei Golubchik wrote:
> Hi, Alexander!
> 
> On Mar 22, Alexander Barkov wrote:
>> On 03/22/2016 09:33 PM, Sergei Golubchik wrote:
>>> Hi, Alexander!
>>>
>>> On Mar 22, Alexander Barkov wrote:
>>>> Hi Sergei,
>>>>
>>>> It fixes the reported crash, and additionally
>>>> inconsistencies when comparing temporal columns to empty strings:
>>>>
>>>> In some cases it returned rows, in other cases it returned no rows,
>>>> depending on:
>>>> - the engine
>>>> - the type of comparison arguments (columns vs literals).
>>>> - presence of an index
>>>>
>>>> Now everything works in the same way.
>>>>
>>>> Note, this additional problem is not 10.1 specific, it existed in 10.0.
>>>> But 10.0 and 10.1 worked differently in certain cases.
>>>
>>> Ok to push. In 10.0, right?
>>
>> The patch depends on my earlier changes in equal field propagation in
>> 10.1.  Okey to push to 10.1 only?
> 
> It means that 10.0 patch won't merge into 10.1 anyway.
> Yes, push into 10.1 then and please create a bug report for 10.0.

Sure. I'll file a separate report for 10.0.

Just to clarify: in 10.0 it does not crash.
It only returns non-consistent results when comparing temporal
columns to empty strings.

So the problem is less serious.


> Don't spend time on fixing it now, though, 10.0 release is still few weeks
> ahead.

Okey.

> 
> 
> Regards,
> Sergei
> Chief Architect MariaDB
> and security@xxxxxxxxxxx
>