private void CreateColumnRefs()
{
List <ColumnRefBinding> tableColumnRefs = new List <ColumnRefBinding>();
if (!(_definition is DerivedTableBinding) && !(_definition is CommonTableBinding))
{
// Create special row column ref
ColumnRefBinding rowColumnRefBinding = CreateRowColumnRefBinding(this);
tableColumnRefs.Add(rowColumnRefBinding);
}
// Create all column refs.
foreach (ColumnBinding columnDefinition in _definition.Columns)
{
ColumnRefBinding columnRefBinding = new ColumnRefBinding(this, columnDefinition);
RowBufferEntry rowBufferEntry = new RowBufferEntry(columnRefBinding.ColumnBinding.DataType);
rowBufferEntry.Name = columnRefBinding.GetFullName();
ColumnValueDefinition columnValueDefinition = new ColumnValueDefinition();
columnValueDefinition.Target = rowBufferEntry;
columnValueDefinition.ColumnRefBinding = columnRefBinding;
columnRefBinding.ValueDefinition = columnValueDefinition;
tableColumnRefs.Add(columnRefBinding);
}
// Assign column refs to table ref.
_columnRefs = tableColumnRefs.ToArray();
}
public override void Enumerate(IMemberCompletionAcceptor acceptor)
{
if (acceptor == null)
throw ExceptionBuilder.ArgumentNull("acceptor");
// Report all columns accessible by the table ref.
TableRefBinding tableRefBinding = new TableRefBinding(null, _tableBinding, _correlationName);
foreach (ColumnBinding columnBinding in _tableBinding.Columns)
{
ColumnRefBinding columnRefBinding = new ColumnRefBinding(tableRefBinding, columnBinding);
acceptor.AcceptColumnRef(columnRefBinding);
}
// Now contribute any methods accessible by the row type.
IMethodProvider methodProvider = _scope.DataContext.MetadataContext.MethodProviders[_tableBinding.RowType];
if (methodProvider != null)
{
MethodBinding[] methods = methodProvider.GetMethods(_tableBinding.RowType);
foreach (MethodBinding methodBinding in methods)
acceptor.AcceptMethod(methodBinding);
}
}
private void CreateColumnRefs()
{
List<ColumnRefBinding> tableColumnRefs = new List<ColumnRefBinding>();
if (!(_definition is DerivedTableBinding) && !(_definition is CommonTableBinding))
{
// Create special row column ref
ColumnRefBinding rowColumnRefBinding = CreateRowColumnRefBinding(this);
tableColumnRefs.Add(rowColumnRefBinding);
}
// Create all column refs.
foreach (ColumnBinding columnDefinition in _definition.Columns)
{
ColumnRefBinding columnRefBinding = new ColumnRefBinding(this, columnDefinition);
RowBufferEntry rowBufferEntry = new RowBufferEntry(columnRefBinding.ColumnBinding.DataType);
rowBufferEntry.Name = columnRefBinding.GetFullName();
ColumnValueDefinition columnValueDefinition = new ColumnValueDefinition();
columnValueDefinition.Target = rowBufferEntry;
columnValueDefinition.ColumnRefBinding = columnRefBinding;
columnRefBinding.ValueDefinition = columnValueDefinition;
tableColumnRefs.Add(columnRefBinding);
}
// Assign column refs to table ref.
_columnRefs = tableColumnRefs.ToArray();
}
public override IEnumerable GetRows(ColumnRefBinding[] neededColumns)
{
foreach (DataRow dataRow in _dataTable.Rows)
{
if (dataRow.RowState != DataRowState.Deleted)
yield return dataRow;
}
}
public MetaInfo(ColumnRefBinding[] columnDependencies,
TableRefBinding[] tableDependencies,
bool containsSingleRowSubselects,
bool containsExistenceSubselects)
{
_columnDependencies = columnDependencies;
_tableDependencies = tableDependencies;
_containsSingleRowSubselects = containsSingleRowSubselects;
_containsExistenceSubselects = containsExistenceSubselects;
}
private static ColumnRefBinding CreateRowColumnRefBinding(TableRefBinding tableRefBinding)
{
RowColumnBinding rowColumnBinding = new RowColumnBinding(tableRefBinding.TableBinding);
ColumnRefBinding rowColumnRefBinding = new ColumnRefBinding(tableRefBinding, rowColumnBinding);
RowBufferEntry rowColumnBufferEntry = new RowBufferEntry(rowColumnRefBinding.ColumnBinding.DataType);
rowColumnBufferEntry.Name = rowColumnRefBinding.TableRefBinding.Name;
ColumnValueDefinition rowColumnValueDefinition = new ColumnValueDefinition();
rowColumnValueDefinition.Target = rowColumnBufferEntry;
rowColumnValueDefinition.ColumnRefBinding = rowColumnRefBinding;
rowColumnRefBinding.ValueDefinition = rowColumnValueDefinition;
return rowColumnRefBinding;
}
public static string FormatColumnRefList(ColumnRefBinding[] columnRefBindings)
{
StringBuilder sb = new StringBuilder();
foreach (ColumnRefBinding columnRefBinding in columnRefBindings)
{
if (sb.Length > 0)
sb.Append(", ");
sb.Append("'");
sb.Append(columnRefBinding.GetFullName());
sb.Append("'");
}
return sb.ToString();
}
private static ColumnRefBinding CreateRowColumnRefBinding(TableRefBinding tableRefBinding)
{
RowColumnBinding rowColumnBinding = new RowColumnBinding(tableRefBinding.TableBinding);
ColumnRefBinding rowColumnRefBinding = new ColumnRefBinding(tableRefBinding, rowColumnBinding);
RowBufferEntry rowColumnBufferEntry = new RowBufferEntry(rowColumnRefBinding.ColumnBinding.DataType);
rowColumnBufferEntry.Name = rowColumnRefBinding.TableRefBinding.Name;
ColumnValueDefinition rowColumnValueDefinition = new ColumnValueDefinition();
rowColumnValueDefinition.Target = rowColumnBufferEntry;
rowColumnValueDefinition.ColumnRefBinding = rowColumnRefBinding;
rowColumnRefBinding.ValueDefinition = rowColumnValueDefinition;
return(rowColumnRefBinding);
}
private void AddColumn(ColumnRefBinding column)
{
if (IsOuterScope(column.Scope) && !_columnBindingList.Contains(column))
_columnBindingList.Add(column);
}
public void AcceptColumnRef(ColumnRefBinding columnRef)
{
Add(columnRef.Name, columnRef.GetFullName(), columnRef.ColumnBinding.DataType.Name, PROPERTY_IMG_INDEX);
}
public abstract IEnumerable GetRows(ColumnRefBinding[] neededColumns);
void IErrorReporter.AmbiguousColumnRef(SourceRange sourceRange, Identifier identifier, ColumnRefBinding[] candidates)
{
string message = String.Format(CultureInfo.CurrentCulture, Resources.AmbiguousColumnRef, identifier, FormattingHelpers.FormatBindingList(candidates));
HandleError(sourceRange, ErrorId.AmbiguousColumnRef, message);
}
void IErrorReporter.SelectExpressionNotAggregatedOrGrouped(ColumnRefBinding columnRefBinding)
{
string message = String.Format(CultureInfo.CurrentCulture, Resources.SelectExpressionNotAggregatedOrGrouped, columnRefBinding.GetFullName());
HandleError(ErrorId.SelectExpressionNotAggregatedOrGrouped, message);
}
void IErrorReporter.OrderByExpressionNotAggregatedAndNoGroupBy(ColumnRefBinding columnRefBinding)
{
string message = String.Format(CultureInfo.CurrentCulture, Resources.OrderByExpressionNotAggregatedAndNoGroupBy, columnRefBinding.GetFullName());
HandleError(ErrorId.OrderByExpressionNotAggregatedAndNoGroupBy, message);
}
public override IEnumerable GetRows(ColumnRefBinding[] neededColumns)
{
return _enumerable;
}
public override IEnumerable GetRows(ColumnRefBinding[] neededColumns)
{
// This method is called to produce an enumerable that represents
// the rows.
//
// NQuery will pass the values of this enumerator to method
// MyColumnBinding.GetValue() to get the value of the column
// in a row.
return _tableData.Rows;
}
public ColumnExpression(ColumnRefBinding columnRefBinding)
{
_columnRefBinding = columnRefBinding;
}
public void AcceptColumnRef(ColumnRefBinding column)
{
}
public override IEnumerable GetRows(ColumnRefBinding[] neededColumns)
{
throw new NotImplementedException();
}
private void WriteColumnRef(ColumnRefBinding columnRefBinding)
{
_xmlWriter.WriteAttributeString("column", columnRefBinding.Name);
WriteTableRef(columnRefBinding.TableRefBinding);
}
