private void EnsureQueryHasOneColumnOnly(QueryNode query)
{
SelectColumn[] selectColumns = query.GetColumns();
if (selectColumns.Length != 1)
{
_errorReporter.TooManyExpressionsInSelectListOfSubquery();
}
}
protected override IList <ColumnBinding> BuildColumns()
{
List <ColumnBinding> result = new List <ColumnBinding>();
foreach (SelectColumn selectColumn in _anchorMember.GetColumns())
{
DerivedColumnBinding derivedColumnBinding = new DerivedColumnBinding(this, selectColumn.Alias.Text, selectColumn.Expression.ExpressionType);
result.Add(derivedColumnBinding);
}
return(result);
}
public override SelectColumn[] GetColumns()
{
return(_input.GetColumns());
}
private void EnsureQueryHasOneColumnOnly(QueryNode query)
{
SelectColumn[] selectColumns = query.GetColumns();
if (selectColumns.Length != 1)
_errorReporter.TooManyExpressionsInSelectListOfSubquery();
}