Esempio n. 1
0
        public SLORMContext Count(params string[] columnNames)
        {
            if (columnNames == null)
            {
                throw new ArgumentNullException(nameof(columnNames));
            }

            foreach (var currentColumnName in columnNames)
            {
                var column = ColumnsInTable.GetFromName(currentColumnName);
                if (column == null)
                {
                    continue;
                }

                var columnAlreadyInList = ColumnsToCount.GetFromName(column.Name) != null;
                if (columnAlreadyInList)
                {
                    continue;
                }

                ColumnsToCount.Add(column);
            }
            return(this);
        }
Esempio n. 2
0
 public bool IsQueryable()
 {
     if (!ColumnsInTable.Any())
     {
         return(false);
     }
     if (!ColumnsToGroupBy.Any() && !ColumnsToCount.Any() && !ColumnsToSum.Any())
     {
         return(false);
     }
     return(true);
 }
Esempio n. 3
0
        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);
        }