public SLORMContext Sum(string columnName)
{
var column = ColumnsInTable.GetFromName(columnName);
if (column == null || column.DataType != ColumnDataType.Number)
{
return(this);
}
var columnAlreadyInList = ColumnsToSum.GetFromName(column.Name) != null;
if (columnAlreadyInList)
{
return(this);
}
ColumnsToSum.Add(column);
return(this);
}
public SLORMContext OrderBy(ColumnOrderingRequest orderingRequest)
{
var column = ColumnsInTable.GetFromName(orderingRequest.ColumnName);
if (column == null)
{
return(this);
}
var alreadyGroupedByColumn = ColumnsToGroupBy.GetFromName(column.Name) != null ||
ColumnsToSum.GetFromName(column.Name) != null ||
ColumnsToCount.GetFromName(column.Name) != null;
if (!alreadyGroupedByColumn)
{
GroupBy(column.Name);
}
var columnOrdering = new ColumnOrdering(column, orderingRequest);
ColumnsToOrderBy.Add(columnOrdering);
return(this);
}