Deletes duplicates found in tv provider cache before creating unique index for provider table or just performs cleanup of any duplicate record period.

sickbeard/tvcache.py

@@ -54,6 +54,9 @@ class CacheDBConnection(db.DBConnection):
             if not self.hasTable(providerName):
                 self.action(
                     "CREATE TABLE [" + providerName + "] (name TEXT, season NUMERIC, episodes TEXT, indexerid NUMERIC, url TEXT, time NUMERIC, quality TEXT)")
+            else:
+                # remove duplicates
+                self.action("DELETE FROM " + providerName + " WHERE url NOT IN (SELECT url FROM " + providerName + " GROUP BY url")
         except Exception, e:
             if str(e) != "table [" + providerName + "] already exists":
                 raise