Fixed DB issues related to displaying plot details for show episodes.

sickbeard/db.py

@@ -79,14 +79,17 @@ class DBConnection(object):
         if self.connection is None: self.reconnect()
         return self.connection.cursor()
 
-    def execute(self, query, args=None, fetchall=False):
+    def execute(self, query, args=None, fetchall=False, fetchone=False):
         """Executes the given query, returning the lastrowid from the query."""
         cursor = self._cursor()
 
         try:
             if fetchall:
                 return self._execute(cursor, query, args).fetchall()
-            return self._execute(cursor, query, args)
+            elif fetchone:
+                return self._execute(cursor, query, args).fetchone()
+            else:
+                return self._execute(cursor, query, args)
         finally:
             cursor.close()
 
@@ -165,7 +168,7 @@ class DBConnection(object):
 
             return sqlResult
 
-    def action(self, query, args=None, fetchall=False):
+    def action(self, query, args=None, fetchall=False, fetchone=False):
 
         with db_lock:
 
@@ -182,7 +185,7 @@ class DBConnection(object):
                     else:
                         logger.log(self.filename + ": " + query + " with args " + str(args), logger.DB)
 
-                    sqlResult = self.execute(query, args, fetchall=fetchall)
+                    sqlResult = self.execute(query, args, fetchall=fetchall, fetchone=fetchone)
 
                     # get out of the connection attempt loop since we were successful
                     break
@@ -209,6 +212,15 @@ class DBConnection(object):
 
         return sqlResults
 
+    def selectOne(self, query, args=None):
+
+        sqlResults = self.action(query, args, fetchone=True)
+
+        if sqlResults == None:
+            return []
+
+        return sqlResults
+
     def upsert(self, tableName, valueDict, keyDict):
 
         changesBefore = self.connection.total_changes

sickbeard/webserve.py

@@ -3479,9 +3479,9 @@ class Home(MainHandler):
 
     def plotDetails(self, show, season, episode):
         myDB = db.DBConnection()
-        result = myDB.action(
+        result = myDB.selectOne(
             "SELECT description FROM tv_episodes WHERE showid = ? AND season = ? AND episode = ?",
-            (int(show), int(season), int(episode))).fetchone()
+            (int(show), int(season), int(episode)))
         return result['description'] if result else 'Episode not found.'