public void OneColumnIntoOneVariable()
{
var query = (SqlQueryExpression) SqlExpression.Parse("SELECT a FROM test_table");
AdminQuery.SelectInto(query, "b");
var variable = AdminQuery.Context.FindVariable("b");
Assert.IsNotNull(variable);
Assert.IsInstanceOf<NumericType>(variable.Type);
Assert.IsFalse(variable.Evaluate(AdminQuery).IsNull);
Assert.IsInstanceOf<SqlNumber>(variable.Evaluate(AdminQuery).Value);
var number = (SqlNumber) variable.Evaluate(AdminQuery).Value;
Assert.AreEqual(new SqlNumber(13), number);
}