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

namespace SQLLinter.Infrastructure.Rules;

public class UnionRule : BaseRuleVisitor
{
    public override string Text => "Избегать UNION, использовать UNION ALL.";

    public override void Visit(BinaryQueryExpression node)
    {
        if (node.BinaryQueryExpressionType == BinaryQueryExpressionType.Union && !node.All)
        {
            AddViolation(node);
        }
    }
}