SQLLint/SQLLinter/Infrastructure/Rules/TopWithoutOrderByRule.cs

using Microsoft.SqlServer.TransactSql.ScriptDom;
using SQLLinter.Common;

namespace SQLLinter.Infrastructure.Rules;

public class TopWithoutOrderByRule : BaseRuleVisitor
{
    public override string Text => "TOP без ORDER BY может дать непредсказуемый результат";

    public override void Visit(QuerySpecification node)
    {
        if (node.TopRowFilter != null && node.OrderByClause == null)
        {
            AddViolation(node.TopRowFilter);
        }
        base.Visit(node);
    }
}