using Connected.Expressions.Expressions;
using System.Collections.ObjectModel;

namespace Connected.Expressions.Translation.Rewriters;

public sealed class BindResultRewriter
{
    public BindResultRewriter(IEnumerable<ColumnDeclaration> columns, IEnumerable<OrderExpression> orderings)
    {
        Columns = columns as ReadOnlyCollection<ColumnDeclaration>;

        Columns ??= new List<ColumnDeclaration>(columns).AsReadOnly();

        Orderings = orderings as ReadOnlyCollection<OrderExpression>;

        Orderings ??= new List<OrderExpression>(orderings).AsReadOnly();
    }

    public ReadOnlyCollection<ColumnDeclaration>? Columns { get; private set; }
    public ReadOnlyCollection<OrderExpression>? Orderings { get; private set; }
}