--- a/python/storage.py	Fri Jun 23 23:50:02 2017 -0400
+++ b/python/storage.py	Mon Jun 26 00:10:35 2017 -0400
@@ -19,6 +19,10 @@
                   'car':2,
                   'truck':3}
 
+tableNames = {'feature':'positions',
+              'object': 'objects',
+              'objectfeatures': 'positions'}
+
 #########################
 # Sqlite
 #########################
@@ -411,6 +415,9 @@
             else:
                 dbfn = filename
             cursor.execute('INSERT INTO prototypes (id, dbfilename, trajectory_type, nMatchings) VALUES ({},\"{}\",\"{}\",{})'.format(protoId, dbfn, trajectoryType, n))
+        cursor.execute('SELECT * from sqlite_master WHERE type = \"table\" and name = \"{}\"'.format(tableNames[trajectoryType]))
+        if len(cursor.fetchall) == 0:
+            pass # save prototype trajectory data
     except sqlite3.OperationalError as error:
         printDBError(error)
     connection.commit()