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

namespace SQLLinter.Infrastructure.Rules;

public class HavingWithoutGroupByRule : BaseRuleVisitor
{
    public override string Text => "HAVING без GROUP BY недопустим: {0}";

    public override void Visit(QuerySpecification node)
    {
        if (node.HavingClause != null && node.GroupByClause == null)
        {
            AddViolation(node.HavingClause, node.HavingClause.ToString());
        }
        base.Visit(node);
    }
}