Ticket #8916: 8916-mythfilldatabase-clear-listings.diff

mythtv/programs/mythfilldatabase/main.cpp

@@ -60 +60 @@
     int sourceid = -1;
     QString fromddfile_lineupid;
 
+    bool clearListings = false;
+
     QFileInfo finfo(a.argv()[0]);
     QString binname = finfo.baseName();
 
@@ -275 +277 @@
         {
             fill_data.only_update_channels = true;
         }
+        else if (!strcmp(a.argv()[argpos], "--clear-listings"))
+        {
+            clearListings = true;
+            grab_data = false;
+            mark_repeats = false;
+        }
         else if (!strcmp(a.argv()[argpos],"-v") ||
                  !strcmp(a.argv()[argpos],"--verbose"))
         {
@@ -488 +496 @@
             cout << "   Marks any programs with a OriginalAirDate earlier\n";
             cout << "   than their start date as a repeat\n";
             cout << "\n";
+            cout << "--clear-listings\n";
+            cout << "   Deletes listings data for all video sources\n";
+            cout << "\n";
             cout << "-v or --verbose debug-level\n";
             cout << "   Use '-v help' for level info\n";
             cout << "\n";
@@ -926 +937 @@
         VERBOSE(VB_GENERAL, QString("    Found %1").arg(found));
     }
 
+    if (clearListings)
+    {
+        VERBOSE(VB_GENERAL, "Deleting listings for all video sources.");
+        MSqlQuery query(MSqlQuery::InitCon());
+        query.exec("TRUNCATE TABLE credits;");
+        query.exec("TRUNCATE TABLE eit_cache;");
+        query.exec("TRUNCATE TABLE people;");
+        query.exec("TRUNCATE TABLE program;");
+        query.exec("TRUNCATE TABLE programgenres;");
+        query.exec("TRUNCATE TABLE programrating;");
+    }
+
     if (1) // limit MSqlQuery's lifetime
     {
         MSqlQuery query(MSqlQuery::InitCon());
@@ -963 +986 @@
             "| the master backend is restarted.                            |\n"
             "===============================================================");
 
-    if (grab_data || mark_repeats)
+    if (grab_data || mark_repeats || clearListings)
         ScheduledRecording::signalChange(-1);
 
     RemoteSendMessage("CLEAR_SETTINGS_CACHE");