public virtual SqlStatement GetGroupBySumStatement(Condition iwc, OrderBy order, string groupbyColumnName, string sumColumnName)
{
var builder = new SelectStatementBuilder(Context.Info.From, order, null);
builder.Where.Conditions = iwc;
var list = groupbyColumnName.Split(',');
foreach (string s in list)
{
builder.Keys.Add(new KeyValuePair<string, string>(s, null));
builder.SetAsGroupBySum(groupbyColumnName, sumColumnName);
}
return builder.ToSqlStatement(Context);
}
