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# Copyright (C) 2013 the SQLAlchemy authors and contributors <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
# the MIT License: http://www.opensource.org/licenses/mit-license.php
from .base import ischema_names
from ... import types as sqltypes
__all__ = ('INT4RANGE', 'INT8RANGE', 'NUMRANGE')
class INT4RANGE(sqltypes.TypeEngine):
"Represent the Postgresql INT4RANGE type."
__visit_name__ = 'INT4RANGE'
ischema_names['int4range'] = INT4RANGE
class INT8RANGE(sqltypes.TypeEngine):
"Represent the Postgresql INT8RANGE type."
__visit_name__ = 'INT8RANGE'
ischema_names['int8range'] = INT8RANGE
class NUMRANGE(sqltypes.TypeEngine):
"Represent the Postgresql NUMRANGE type."
__visit_name__ = 'NUMRANGE'
ischema_names['numrange'] = NUMRANGE
class DATERANGE(sqltypes.TypeEngine):
"Represent the Postgresql DATERANGE type."
__visit_name__ = 'DATERANGE'
ischema_names['daterange'] = DATERANGE
class TSRANGE(sqltypes.TypeEngine):
"Represent the Postgresql TSRANGE type."
__visit_name__ = 'TSRANGE'
ischema_names['tsrange'] = TSRANGE
class TSTZRANGE(sqltypes.TypeEngine):
"Represent the Postgresql TSTZRANGE type."
__visit_name__ = 'TSTZRANGE'
ischema_names['tstzrange'] = TSTZRANGE
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