public IFunctionOrFrom Sum(string columnName) { this.AddFunctionCall("SUM", columnName, columnName); return this; }
public void SumThrowsArgumentExceptionForNullColumnAlias() { var sqlBuilder = new SelectSqlBuilder(SqlCharacters.Empty); var exception = Assert.Throws<ArgumentException>( () => sqlBuilder.Sum("Column", null)); Assert.Equal(ExceptionMessages.ArgumentNullOrEmpty.FormatWith("columnAlias"), exception.Message); }