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@@ -664,7 +664,7 @@ module ActiveRecord
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             # As MySQL/Postgres don't have case sensitive SELECT queries, we try to find duplicate
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             # column in ruby when case sensitive option
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             if configuration[:case_sensitive] && finder_class.columns_hash[attr_name.to_s].text?
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-              found = results.any? { |a| a[attr_name.to_s] == value }
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+              found = results.any? { |a| a[attr_name.to_s] == value.to_s }
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             end
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             if found

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@@ -477,6 +477,15 @@ class ValidationsTest < ActiveRecord::TestCase
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     assert_not_equal "has already been taken", t3.errors.on(:title)
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   end
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+  def test_validate_case_sensitive_uniqueness_with_attribute_passed_as_integer
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+    Topic.validates_uniqueness_of(:title, :case_sensitve => true)
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+    t = Topic.create!('title' => 101)
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+
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+    t2 = Topic.new('title' => 101)
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+    assert !t2.valid?
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+    assert t2.errors.on(:title)
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+  end
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+
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   def test_validate_uniqueness_with_non_standard_table_names
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     i1 = WarehouseThing.create(:value => 1000)
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     assert !i1.valid?, "i1 should not be valid"