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Fixed #27828 -- Fixed a crash when subtracting Integer/DurationField from DateField on Oracle/PostgreSQL.

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Vytis Banaitis 2017-02-12 16:43:04 +02:00 • committed by Tim Graham
parent 5729272509
commit d5088f838d
3 changed files with 10 additions and 1 deletions
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2
django/db/models/expressions.py
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@ -383,7 +383,7 @@ class CombinedExpression(Expression):
return DurationExpression(self.lhs, self.connector, self.rhs).as_sql(compiler, connection)
if (lhs_output and rhs_output and self.connector == self.SUB and
lhs_output.get_internal_type() in {'DateField', 'DateTimeField', 'TimeField'} and
lhs_output.get_internal_type() == lhs_output.get_internal_type()):
lhs_output.get_internal_type() == rhs_output.get_internal_type()):
return TemporalSubtraction(self.lhs, self.rhs).as_sql(compiler, connection)
expressions = []
expression_params = []