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Added example of assertNumQueries() with "using" kwarg in testing topics docs.
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@ -1675,9 +1675,12 @@ your test suite.
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``num`` database queries are executed.
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If a ``"using"`` key is present in ``kwargs`` it is used as the database
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alias for which to check the number of queries. If you wish to call a
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function with a ``using`` parameter you can do it by wrapping the call with
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a ``lambda`` to add an extra parameter::
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alias for which to check the number of queries::
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self.assertNumQueries(7, using='non_default_db')
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If you wish to call a function with a ``using`` parameter you can do it by
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wrapping the call with a ``lambda`` to add an extra parameter::
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self.assertNumQueries(7, lambda: my_function(using=7))
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