[mythtv-users] Duplicate detection

[Ian Campbell]

On Tue, 2016-09-20 at 09:14 -0400, Michael T. Dean wrote:
> On 09/19/2016 04:24 AM, Jan Ceuleers wrote:
> > 
> > I thought I had solved this problem by including the following in my
> > daily listings cleanup script:
> > 
> > # Force duplicate matching to rely on title, subtitle, description (or
> > whatever
> > # is set in the recording rule) by getting rid of program IDs which are not
> > # consistent between listings sources.
> > update program set programid="";
> 
> BTW, if your program IDs are done correctly, this is not required (it's 
> actually a bad thing).  If the program IDs specify an authority (i.e. 
> they include a '/', making it an ID in the form "authority/ID"), the ID 
> is only used for comparison against other programs with the same 
> authority.  And, every listings source should use a different 
> authority.  Please check to see if your IDs (when inserted into MythTV's 
> database) contain an authority.  If not, I think they will if you have a 
> default authority in dtv_multiplex (for EIT-using channels) and/or 
> channel (for XMLTV-using channels). Just make sure the authority is 
> different for each different source of program IDs (and same for each 
> individual source of program IDs).

Does this mean that my programids of the form "SH[0-9]*" and "EP[0-9]*" 
(which come from xmltv and are most of them) are wrong and should have
a prefix of some sort?

Ian.