stub for parallel execution

git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@174 014f5005-505e-4b48-8d0a-63407b615a7c
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LtWorf 2009-05-13 15:39:19 +07:00
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# -*- coding: utf-8 -*-
# Relational
# Copyright (C) 2009 Salvo "LtWorf" Tomaselli
#
# Relation is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# author Salvo "LtWorf" Tomaselli <tiposchi@tiscali.it>
'''This module offers capability of executing relational queries in parallel.'''
def weight (n):
'''This function returns a weight that tries to give an approssimation of the
time that will be required to execute the expression'''
pass