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More helpful error messasge on Range order attempts

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This commit is contained in:
Daniele Varrazzo 2012-09-25 00:02:24 +01:00
parent f70e6a1519
commit b8b669611e
1 changed files with 3 additions and 1 deletions
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4
lib/_range.py
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@ -132,7 +132,9 @@ class Range(object):
return hash((self._lower, self._upper, self._bounds))
def __lt__(self, other):
raise TypeError('Range objects are not ordered')
raise TypeError(
'Range objects cannot be ordered; please refer to the PostgreSQL'
' documentation to perform this operation in the database')
__le__ = __gt__ = __ge__ = __lt__