325 

   325 

   326 def init_sqlite_connexion(cnx):

   326 def init_sqlite_connexion(cnx):

   327 

   327 

   328     class group_concat(object):

   328     class group_concat(object):

   329         def __init__(self):

   329         def __init__(self):

   331         def step(self, value):

   331         def step(self, value):

   332             if value is not None:

   332             if value is not None:

   334         def finalize(self):

   334         def finalize(self):

   335             return ', '.join(unicode(v) for v in self.values)

   335             return ', '.join(unicode(v) for v in self.values)

   336 

   336 

   337     cnx.create_aggregate("GROUP_CONCAT", 1, group_concat)

   337     cnx.create_aggregate("GROUP_CONCAT", 1, group_concat)

   338 

   338