21 lines
661 B
C#
21 lines
661 B
C#
using Microsoft.SqlServer.TransactSql.ScriptDom;
|
|
using SQLLinter.Common;
|
|
|
|
namespace SQLLinter.Infrastructure.Rules;
|
|
|
|
public class ExcessiveJoinsRule : BaseRuleVisitor
|
|
{
|
|
public override string Text => "Слишком много таблиц в запросе (>" + _maxJoins + "): {0}";
|
|
|
|
private const int _maxJoins = 10;
|
|
|
|
public override void Visit(QuerySpecification node)
|
|
{
|
|
if (node.FromClause != null && node.FromClause.TableReferences.Count > _maxJoins)
|
|
{
|
|
AddViolation(node.FromClause, $"Количество таблиц: {node.FromClause.TableReferences.Count}");
|
|
}
|
|
base.Visit(node);
|
|
}
|
|
}
|