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postgresql adapter handles quoting of not a number (NaN) and Infinity
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2 changed files with 19 additions and 2 deletions
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@ -415,8 +415,13 @@ module ActiveRecord
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case value
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when Float
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return super unless value.infinite? && column.type == :datetime
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"'#{value.to_s.downcase}'"
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if value.infinite? && column.type == :datetime
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"'#{value.to_s.downcase}'"
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elsif value.infinite? || value.nan?
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"'#{value.to_s}'"
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else
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super
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end
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when Numeric
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return super unless column.sql_type == 'money'
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# Not truly string input, so doesn't require (or allow) escape string syntax.
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@ -19,6 +19,18 @@ module ActiveRecord
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assert_equal 'f', @conn.type_cast(false, nil)
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assert_equal 'f', @conn.type_cast(false, c)
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end
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def test_quote_float_nan
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nan = 0.0/0
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c = Column.new(nil, 1, 'float')
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assert_equal "'NaN'", @conn.quote(nan, c)
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end
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def test_quote_float_infinity
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infinity = 1.0/0
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c = Column.new(nil, 1, 'float')
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assert_equal "'Infinity'", @conn.quote(infinity, c)
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end
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end
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end
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end
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