39 lines
1.2 KiB
Python
39 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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# Relational
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# Copyright (C) 2008 Salvo "LtWorf" Tomaselli
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#
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# Relational is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# author Salvo "LtWorf" Tomaselli <tiposchi@tiscali.it>
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#
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# This module provides a classes to represent queries
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import parser
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class TypeException(Exception):
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pass
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class Query(object):
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def __init__(self,query):
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if not isinstance(query,unicode):
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raise TypeException('Expected unicode')
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self.query = query
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self.tree = parser.tree(query)
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#TODO self.query_code = parser
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self.optimized = None
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self.optimized_query = None
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self.optimized_code = None |