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Diffstat (limited to 'lib/sqlalchemy/dialects/postgresql/ranges.py')
| -rw-r--r-- | lib/sqlalchemy/dialects/postgresql/ranges.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/ranges.py b/lib/sqlalchemy/dialects/postgresql/ranges.py index 2054ef137..e7ab1d5b5 100644 --- a/lib/sqlalchemy/dialects/postgresql/ranges.py +++ b/lib/sqlalchemy/dialects/postgresql/ranges.py @@ -9,6 +9,19 @@ from ... import types as sqltypes __all__ = ('INT4RANGE', 'INT8RANGE', 'NUMRANGE') class RangeOperators(object): + """ + This mixin provides functionality for the Range Operators + listed in Table 9-44 of the `postgres documentation`__ for Range + Functions and Operators. It is used by all the range types + provided in the ``postgres`` dialect and can likely be used for + any range types you create yourself. + + __ http://www.postgresql.org/docs/devel/static/functions-range.html + + No extra support is provided for the Range Functions listed in + Table 9-45 of the postgres documentation. For these, the normal + :func:`~sqlalchemy.sql.expression.func` object should be used. + """ class comparator_factory(sqltypes.Concatenable.Comparator): """Define comparison operations for range types.""" |