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 AstElement Clone(Dictionary<AstElement, AstElement> alreadyClonedElements)
{
ColumnValueDefinition result = new ColumnValueDefinition();
result.Target = Target;
result.ColumnRefBinding = _columnRefBinding;
return result;
}
public override AstElement Clone(Dictionary <AstElement, AstElement> alreadyClonedElements)
{
ColumnValueDefinition result = new ColumnValueDefinition();
result.Target = Target;
result.ColumnRefBinding = _columnRefBinding;
return(result);
}
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;
}
