opdenkamp/xbmc — pull request #377 by nemphys (2011-12-19 20:02:08+00:00)
Title: optimize epg updating by updating/persisting only changes to tags... 

...(instead of deleting/inserting all tags from scratch on every update)
should improve performance of epg updates due to the fact that most of the work is done in-memory.

Tested this overnight in 2 installations (both sqlite and mysql) and it worked ok in both. This is almost the first time that I check xbmc on the next day (after leaving it on overnight) and epg is not messed-up one way or another.

Please check