[mythtv-users] Database Structure
Douglas_Peale at comcast.net
Thu May 20 05:20:41 UTC 2010
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On 05/19/2010 09:01 PM, DaveD wrote:
> Comcast keeps moving channels around on me. I have to rescan and
> manually update xmltv ID and channel numbers every time they move
> stuff. This time they've only moved a single channel (105, HD version
> of 5) and I'd like to just update that info. If I do a complete rescan,
> I'm starting from scratch with all channels so I want to just update
> that channel but I don't know how the database stores the info. There
> are lots-O-tables with lots-O-fields.
> I have a system I use for playing around and experimenting and I did a
> scan on that system just to make sure that 105 was still actually
> available. It is, and the clear QAM HD channel shows up as 5_1 and
> plays fine (just like it used to on my real system before they moved
> it). So now I have all the info I need to fix the broken database
> exported from my test system. I'm looking for enough information to
> figure out what fields from the test database I should import into the
> regular system's database to get 105 working like 5_1 from the test system.
> Is there a comprehensive, definitive guide/document somewhere
> (preferably up-to-date) that explains all the tables and fields and what
> they are used for and how they interact? What is freqid, mplexid, etc?
> What's the channelscan_channel table used for? I'd really rather learn
> to "fish" (to really understand the database schema), if I can find
> enough info somewhere. I know, I can always download the source....
> Dave D.
> mythtv-users mailing list
> mythtv-users at mythtv.org
Since you know the frequency ID, just rescan that channel (set the start channel and end channel to that frequency ID). This may
affect a few other channels on the same frequency, but fixing that up is a lot less trouble than a complete rescan. Messing with
the data base directly is much more trouble, and more risky.
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