private MappedColumn(MappedColumn column, int newIndex)
: base(column.Name, newIndex, column.Type, column)
{
ColumnInfoRef = column.ColumnInfoRef;
}
private MappedColumn(MappedColumn column, string newName)
: base(newName, column.Index, column.Type, column)
{
ColumnInfoRef = column.ColumnInfoRef;
}