[mythtv-users] Multiple duplicated recordings
Michael T. Dean
mtdean at thirdcontact.com
Mon Aug 12 20:32:21 UTC 2013
On 08/12/2013 04:29 PM, Michael T. Dean wrote:
> On 08/12/2013 04:21 PM, Alex Tomlins wrote:
>> I'm have an 'any time on any channel' rule set up to record Top
>> Gear. At the moment there are one or 2 episodes of this where all 6+
>> showings of it are recorded (Dave likes to repeat things a lot).
>>
>> I'm using xmltv (UK Radio Times) for listing data, and the episodes
>> with the problems are the ones with no series/episode information
>> that therefore don't have a programid in Myth. If I understand
>> http://www.mythtv.org/wiki/Duplicate_matching correctly, this should
>> fall back to the duplicate detection method in this case, which I've
>> set to Subtitle and Description.
>>
>> Looking in the database, the subtitles are all blank, and they all
>> have exactly the same description
>
> Blank actually means NULL and, in MySQL, NULL != NULL (i.e. you can't
> compare subtitle for equality if there is no subtitle--else it will
> /always/ compare as different).
OK, actually, it's not NULL, but we treat an empty subtitle as a
"generic" episode when using "subtitle and description" meaning we'll
record it, regardless of the duplicate matching mechanism, just in case
it's new.
> Therefore, change your duplicate detection mechanism to "subtitle then
> description", which will use subtitle if it's available, otherwise it
> will use description.
Still the right fix.
Mike
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