protected override Expression Mutate2(IList <Expression> newOperands)
{
Type type;
if (newOperands.Count > 0)
{
type = newOperands[0].Type;
}
else
{
type = Type;
}
var scopeExpression = new ScopeExpression(type, newOperands);
scopeExpression.Tables = Tables;
scopeExpression.Columns = Columns;
scopeExpression.Where = Where;
scopeExpression.OrderBy = OrderBy;
scopeExpression.Group = Group;
scopeExpression.Parent = Parent;
scopeExpression.ExecuteMethodName = ExecuteMethodName;
scopeExpression.Limit = Limit;
scopeExpression.Offset = Offset;
scopeExpression.OffsetAndLimit = OffsetAndLimit;
return(scopeExpression);
}
public ScopeExpression(ScopeExpression parentScopePiece)
: base(ExpressionType, null, null)
{
Parent = parentScopePiece;
// Tables and columns are empty, since the table/column lookup recurses to parentScopePiece
Tables = new List <TableExpression>();
Columns = new List <ColumnExpression>();
// Local clauses
Where = new List <Expression>();
OrderBy = new List <OrderByExpression>();
Group = new List <GroupExpression>();
}