Merge pull request xbmc#25593 from CrystalP/fix-episode_view

[VideoDB] Fix episode_view performance for very large databases
TTKMedia · Aug 12, 2024 · b2abd74 · b2abd74
2 parents 031877f + a07be19
commit b2abd74
Showing 1 changed file with 46 additions and 40 deletions.
diff --git a/xbmc/video/VideoDatabase.cpp b/xbmc/video/VideoDatabase.cpp
@@ -382,45 +382,42 @@ void CVideoDatabase::CreateAnalytics()
 void CVideoDatabase::CreateViews()
 {
   CLog::Log(LOGINFO, "create episode_view");
-  std::string episodeview = PrepareSQL("CREATE VIEW episode_view AS SELECT "
-                                      "  episode.*,"
-                                      "  files.strFileName AS strFileName,"
-                                      "  path.strPath AS strPath,"
-                                      "  files.playCount AS playCount,"
-                                      "  files.lastPlayed AS lastPlayed,"
-                                      "  files.dateAdded AS dateAdded,"
-                                      "  tvshow.c%02d AS strTitle,"
-                                      "  tvshow.c%02d AS genre,"
-                                      "  tvshow.c%02d AS studio,"
-                                      "  tvshow.c%02d AS premiered,"
-                                      "  tvshow.c%02d AS mpaa,"
-                                      "  bookmark.timeInSeconds AS resumeTimeInSeconds, "
-                                      "  bookmark.totalTimeInSeconds AS totalTimeInSeconds, "
-                                      "  bookmark.playerState AS playerState, "
-                                      "  rating.rating AS rating, "
-                                      "  rating.votes AS votes, "
-                                      "  rating.rating_type AS rating_type, "
-                                      "  uniqueid.value AS uniqueid_value, "
-                                      "  uniqueid.type AS uniqueid_type "
-                                      "FROM episode"
-                                      "  JOIN files ON"
-                                      "    files.idFile=episode.idFile"
-                                      "  JOIN tvshow ON"
-                                      "    tvshow.idShow=episode.idShow"
-                                      "  JOIN seasons ON"
-                                      "    seasons.idSeason=episode.idSeason"
-                                      "  JOIN path ON"
-                                      "    files.idPath=path.idPath"
-                                      "  LEFT JOIN bookmark ON"
-                                      "    bookmark.idFile=episode.idFile AND bookmark.type=1"
-                                      "  LEFT JOIN rating ON"
-                                      "    rating.rating_id=episode.c%02d"
-                                      "  LEFT JOIN uniqueid ON"
-                                      "    uniqueid.uniqueid_id=episode.c%02d",
-                                      VIDEODB_ID_TV_TITLE, VIDEODB_ID_TV_GENRE,
-                                      VIDEODB_ID_TV_STUDIOS, VIDEODB_ID_TV_PREMIERED,
-                                      VIDEODB_ID_TV_MPAA, VIDEODB_ID_EPISODE_RATING_ID,
-                                      VIDEODB_ID_EPISODE_IDENT_ID);
+  std::string episodeview = PrepareSQL(
+      "CREATE VIEW episode_view AS SELECT "
+      "  episode.*,"
+      "  files.strFileName AS strFileName,"
+      "  path.strPath AS strPath,"
+      "  files.playCount AS playCount,"
+      "  files.lastPlayed AS lastPlayed,"
+      "  files.dateAdded AS dateAdded,"
+      "  tvshow.c%02d AS strTitle,"
+      "  tvshow.c%02d AS genre,"
+      "  tvshow.c%02d AS studio,"
+      "  tvshow.c%02d AS premiered,"
+      "  tvshow.c%02d AS mpaa,"
+      "  bookmark.timeInSeconds AS resumeTimeInSeconds, "
+      "  bookmark.totalTimeInSeconds AS totalTimeInSeconds, "
+      "  bookmark.playerState AS playerState, "
+      "  rating.rating AS rating, "
+      "  rating.votes AS votes, "
+      "  rating.rating_type AS rating_type, "
+      "  uniqueid.value AS uniqueid_value, "
+      "  uniqueid.type AS uniqueid_type "
+      "FROM episode"
+      "  JOIN files ON"
+      "    files.idFile=episode.idFile"
+      "  JOIN tvshow ON"
+      "    tvshow.idShow=episode.idShow"
+      "  JOIN path ON"
+      "    files.idPath=path.idPath"
+      "  LEFT JOIN bookmark ON"
+      "    bookmark.idFile=episode.idFile AND bookmark.type=1"
+      "  LEFT JOIN rating ON"
+      "    rating.rating_id=episode.c%02d"
+      "  LEFT JOIN uniqueid ON"
+      "    uniqueid.uniqueid_id=episode.c%02d",
+      VIDEODB_ID_TV_TITLE, VIDEODB_ID_TV_GENRE, VIDEODB_ID_TV_STUDIOS, VIDEODB_ID_TV_PREMIERED,
+      VIDEODB_ID_TV_MPAA, VIDEODB_ID_EPISODE_RATING_ID, VIDEODB_ID_EPISODE_IDENT_ID);
   m_pDS->exec(episodeview);
 
   CLog::Log(LOGINFO, "create tvshowcounts");
@@ -6444,11 +6441,20 @@ void CVideoDatabase::UpdateTables(int iVersion)
     }
     m_pDS->close();
   }
+
+  if (iVersion < 133)
+  {
+    // Remove episodes with invalid idSeason values.
+    // Since 2015 they were masked from episode_view and are not going to be missed.
+    // Those records would be misses in database converted in 2015 (see videodb version 99).
+
+    m_pDS->exec("DELETE FROM episode WHERE idSeason NOT IN (SELECT idSeason from seasons)");
+  }
 }
 
 int CVideoDatabase::GetSchemaVersion() const
 {
-  return 132;
+  return 133;
 }
 
 bool CVideoDatabase::LookupByFolders(const std::string &path, bool shows)