Files
SQLLint/SQLLinter/Infrastructure/Rules/OrderByWithoutTopOffsetRule.cs

31 lines
1.0 KiB
C#

using Microsoft.SqlServer.TransactSql.ScriptDom;
using SQLLinter.Common;
using System.Linq;
namespace SQLLinter.Infrastructure.Rules;
public class OrderByWithoutTopOffsetRule : BaseRuleVisitor
{
public override string Text => "Обнаружен ORDER BY без TOP или OFFSET: {0}";
public override void Visit(QuerySpecification node)
{
if (node.OrderByClause != null && node.TopRowFilter == null && node.OffsetClause == null)
{
var tokens = node.OrderByClause.ScriptTokenStream
.Skip(node.OrderByClause.FirstTokenIndex)
.Take(node.OrderByClause.LastTokenIndex - node.OrderByClause.FirstTokenIndex + 1)
.Select(t => t.TokenType == TSqlTokenType.WhiteSpace ? " " : t.Text);
var orderByString = string.Join("", tokens);
if (orderByString.Length > 53)
{
orderByString = orderByString[..50] + "...";
}
AddViolation(node.OrderByClause, orderByString);
}
base.Visit(node);
}
}