public void Equals_MissingAtSymb()
{
EqualityExpression <string> expression = null;
Dictionary <string, object> parameters = null;
string whereParam = null;
expression = Expression.Equals("a");
parameters = expression.GetDynamicParameters("p1");
whereParam = expression.ToSqlExpression("[Table].[Field]", "p1");
Console.WriteLine(String.Join(",", parameters.Keys));
Assert.AreEqual(parameters["p1"], "a");
Assert.AreEqual(whereParam, " and [Table].[Field] = @p1");
}