1 # -*- coding: utf-8 -*-
2 ##############################################################################
4 # mojo, a Python library for implementing document based databases
5 # Copyright (C) 2013-2014 by Javier Sancho Fernandez <jsf at jsancho dot org>
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 ##############################################################################
22 class SQLGeneric(object):
27 class Query(SQLGeneric):
28 def __init__(self, fields, tables, constraints):
31 self.constraints = constraints
34 class Field(SQLGeneric):
35 def __init__(self, table, field_name):
37 self.field_name = field_name
40 class Table(SQLGeneric):
41 def __init__(self, db_name, table_name):
42 self.db_name = db_name
43 self.table_name = table_name
46 class Constraint(SQLGeneric):
47 def __init__(self, operator, *args):
48 self.operator = operator
51 class Literal(SQLGeneric):
52 def __init__(self, value):