[db] Comeback for the files-table insert trigger

src/db_init.c

@@ -400,9 +400,15 @@ static const struct db_init_query db_init_index_queries[] =
 
 /* Triggers must be prefixed with trg_ for db_drop_triggers() to id them */
 
+#define TRG_GROUPS_INSERT										\
+  "CREATE TRIGGER trg_groups_insert AFTER INSERT ON files FOR EACH ROW"					\
+  " BEGIN"												\
+  "   INSERT OR IGNORE INTO groups (type, name, persistentid) VALUES (1, NEW.album, NEW.songalbumid);"	\
+  "   INSERT OR IGNORE INTO groups (type, name, persistentid) VALUES (2, NEW.album_artist, NEW.songartistid);"	\
+  " END;"
+
 #define TRG_GROUPS_UPDATE										\
   "CREATE TRIGGER trg_groups_update AFTER UPDATE OF songartistid, songalbumid ON files FOR EACH ROW"	\
-  " WHEN (NEW.songartistid != 0 AND NEW.songalbumid != 0)"						\
   " BEGIN"												\
   "   INSERT OR IGNORE INTO groups (type, name, persistentid) VALUES (1, NEW.album, NEW.songalbumid);"	\
   "   INSERT OR IGNORE INTO groups (type, name, persistentid) VALUES (2, NEW.album_artist, NEW.songartistid);"	\
@@ -410,6 +416,7 @@ static const struct db_init_query db_init_index_queries[] =
 
 static const struct db_init_query db_init_trigger_queries[] =
   {
+    { TRG_GROUPS_INSERT,           "create trigger trg_groups_insert" },
     { TRG_GROUPS_UPDATE,           "create trigger trg_groups_update" },
   };
 

src/db_upgrade.c

@@ -986,7 +986,7 @@ static const struct db_upgrade_query db_upgrade_v2001_queries[] =
 #define U_V2002_SCVER_MINOR \
   "UPDATE admin SET value = '02' WHERE key = 'schema_version_minor';"
 
-// This upgrade removes some triggers (will be done automatically by db_drop...)
+// This upgrade just changes triggers (will be done automatically by db_drop...)
 static const struct db_upgrade_query db_upgrade_v2002_queries[] =
   {
     { U_V2002_SCVER_MINOR,    "set schema_version_minor to 02" },