type casting bound value based on column associated with value

activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb

@@ -146,7 +146,9 @@ module ActiveRecord
             stmt = cache[:stmt]
             cols = cache[:cols] ||= stmt.columns
             stmt.reset!
-            stmt.bind_params bind_values.map { |col, val| val }
+            stmt.bind_params bind_values.map { |col, val|
+              col ? col.type_cast(val) : val
+            }
           end
 
           ActiveRecord::Result.new(cols, stmt.to_a)

activerecord/test/cases/adapters/sqlite3/sqlite3_adapter_test.rb

@@ -95,6 +95,24 @@ module ActiveRecord
 
         assert_equal [[1, 'foo']], result.rows
       end
+
+      def test_exec_typecasts_bind_vals
+        conn = Base.sqlite3_connection :database => ':memory:',
+                                       :adapter => 'sqlite3',
+                                       :timeout => 100
+
+        conn.exec('create table ex(id int, data string)')
+        conn.exec('INSERT INTO ex (id, data) VALUES (1, "foo")')
+        column = conn.columns('ex').find { |col| col.name == 'id' }
+
+        result = conn.exec(
+          'SELECT id, data FROM ex WHERE id = ?', nil, [[column, '1-fuu']])
+
+        assert_equal 1, result.rows.length
+        assert_equal 2, result.columns.length
+
+        assert_equal [[1, 'foo']], result.rows
+      end
     end
   end
 end