public override ExpressionNode VisitColumnExpression(ColumnExpression expression)
{
AddTable(expression.Column.TableRefBinding);
AddColumn(expression.Column);
return expression;
}
public override ExpressionNode VisitColumnExpression(ColumnExpression expression)
{
RowBufferEntryExpression rowBufferExpression = new RowBufferEntryExpression();
rowBufferExpression.RowBufferEntry = expression.Column.ValueDefinition.Target;
return rowBufferExpression;
}
public override ExpressionNode VisitColumnExpression(ColumnExpression expression)
{
if (!ArrayHelpers.Contains(_groupedTableRefs, expression.Column.TableRefBinding))
{
// The column's table does not belong to the grouped table list.
// Therfore it is an ungrouped column.
_ungroupedColumnList.Add(expression.Column);
}
return base.VisitColumnExpression (expression);
}
private static bool VisitColumnExpression(ColumnExpression node1, ColumnExpression node2)
{
return node2 != null &&
node1.Column == node2.Column;
}
public override ExpressionNode VisitColumnExpression(ColumnExpression expression)
{
if (expression.Column.ColumnBinding is RowColumnBinding)
{
_writer.WriteIdentifier(expression.Column.TableRefBinding.Name);
}
else
{
_writer.WriteIdentifier(expression.Column.TableRefBinding.Name);
_writer.Write(".");
_writer.WriteIdentifier(expression.Column.Name);
}
return expression;
}
public virtual ExpressionNode VisitColumnExpression(ColumnExpression expression)
{
return expression;
}
public override ExpressionNode VisitColumnExpression(ColumnExpression expression)
{
if (expression.Column.TableRefBinding == _nullableTableRefBinding)
_lastExpressionsYieldsNullOrFalse = true;
return expression;
}
public override ExpressionNode VisitColumnExpression(ColumnExpression expression)
{
_xmlWriter.WriteStartElement("columnExpression");
WriteColumnRef(expression.Column);
WriteTypeAttribute(expression.ExpressionType);
_xmlWriter.WriteEndElement();
return expression;
}