コード例 #1
0
        public override Table CreateGroupTable(long groupIndex)
        {
            if (IsGroupDegenerate(groupIndex))
            {
                // if sub table is an expand table, act as pass-through
                if (m_expandTable != null)
                {
                    var i = m_Groups[groupIndex].m_GroupIndice[0];
                    return(m_expandTable.CreateGroupTable(i));
                }
            }
            if (m_createGroupTable != null)
            {
                return(m_createGroupTable(this, m_Groups[groupIndex], groupIndex));
            }
            int subGroupColumn = m_GroupedColumnFirst + 1;

            if (subGroupColumn < m_GroupedColumnLast)
            {
                GroupedTable subTable = new GroupedTable(m_table, m_Groups[groupIndex].m_GroupIndice, subGroupColumn, m_GroupedColumnLast, m_ColumnOrder, m_SortOrder);
                return(subTable);
            }
            else if (subGroupColumn < m_ColumnOrder.Length)
            {
                //create a sorted table only
                SortedTable subTable = new SortedTable(m_table, m_ColumnOrder, m_SortOrder, subGroupColumn, m_Groups[groupIndex].m_GroupIndice);
                return(subTable);
            }
            else
            {
                //create indexed table
                IndexedTable subTable = new IndexedTable(m_table, m_Groups[groupIndex].m_GroupIndice);
                return(subTable);
            }
        }
コード例 #2
0
 public void Initialize(GroupedTable table, Column column, int columnIndex, Grouping.IMergeAlgorithm algo, bool isGroup)
 {
     base.Initialize(table, column, columnIndex);
     m_GroupTable    = table;
     algorithm       = algo;
     m_IsGroupKey    = isGroup;
     m_GroupComputed = new bool[table.m_Groups.Length];
     m_GroupData     = new DataT[table.m_Groups.Length];
 }