public DataManipulationTargetColumnPivot(
int targetOrder, QsiTableColumn targetColumn,
int declaredOrder, QsiTableColumn declaredColumn)
{
TargetOrder = targetOrder;
TargetColumn = targetColumn;
DeclaredOrder = declaredOrder;
DeclaredColumn = declaredColumn;
}
private static IEnumerable <QsiTableColumn> FlattenReferenceColumnsInternal(QsiTableColumn column, HashSet <QsiTableColumn> visited)
{
foreach (var reference in column.References.Where(r => !visited.Contains(r)))
{
visited.Add(reference);
yield return(reference);
foreach (var childReference in FlattenReferenceColumnsInternal(reference, visited))
{
yield return(childReference);
}
visited.Remove(reference);
}
}
private QsiColumnTreeItem(QsiTableColumn column, int depth, HashSet <QsiTableColumn> recursiveTracker)
{
Depth = depth;
Column = column;
if (recursiveTracker.Contains(column))
{
IsRecursive = true;
return;
}
recursiveTracker.Add(column);
Items = column.References
.Select(c => new QsiColumnTreeItem(c, depth + 1, recursiveTracker))
.ToArray();
recursiveTracker.Remove(column);
}
protected virtual QsiIdentifier ResolveCompoundColumnName(TableCompileContext context, IQsiDerivedTableNode table, IQsiColumnNode column, QsiTableColumn refColumn)
{
return(refColumn.Name);
}
public static IEnumerable <QsiTableColumn> FlattenReferenceColumns(QsiTableColumn column)
{
return(FlattenCore(column, c => c.References, x => IsReferenceType(x.Parent.Type)));
}
public static IEnumerable <QsiTableColumn> FlattenColumns(QsiTableColumn column)
{
return(FlattenCore(column, c => c.References, _ => true));
}
public QsiColumnTreeItem(QsiTableColumn column, int depth = 0) : this(column, depth, new HashSet <QsiTableColumn>())
{
}
public static IEnumerable <QsiTableColumn> FlattenReferenceColumns(QsiTableColumn column)
{
return(FlattenReferenceColumnsInternal(column, new HashSet <QsiTableColumn>()));
}
