protected override bool InternalNext()
{
bool found = false;
while (_sourceTable.Next())
{
var currentRow = new Row(Manager, Node.DataType.RowType);
try
{
_sourceTable.Select(currentRow);
if (!_map.HasRow(Manager, currentRow))
{
_map.Insert(Manager, currentRow);
currentRow.ValuesOwned = false;
found = true;
break;
}
}
finally
{
currentRow.Dispose();
}
}
return(found);
}
protected void PopulateTable()
{
using (ITable table = (ITable)Node.Nodes[0].Execute(Program))
{
Row row = new Row(Manager, DataType.RowType);
try
{
while (table.Next())
{
table.Select(row);
if (!_map.HasRow(Manager, row))
{
_map.Insert(Manager, row); // no validation is required because FTable will never be changed
}
row.ClearValues();
Program.CheckAborted(); // Yield
}
}
finally
{
row.Dispose();
}
}
}
