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SQLLinter/Infrastructure/Rules/DuplicateGoRule.cs

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+using Microsoft.SqlServer.TransactSql.ScriptDom;
+using SQLLinter.Common;
+
+namespace SQLLinter.Infrastructure.Rules;
+
+public class DuplicateGoRule : BaseRuleVisitor, IRule
+{
+
+    public override string Text => "Обнаружен дублирующийся оператор GO";
+
+    public override void Visit(TSqlScript node)
+    {
+        TSqlParserToken lastToken = null;
+        TSqlParserToken currentToken;
+        for (var index = 0; index <= node.LastTokenIndex; index++)
+        {
+            var tokenType = node.ScriptTokenStream[index].TokenType;
+
+            // Skip these
+            switch (tokenType)
+            {
+                case TSqlTokenType.MultilineComment:
+                case TSqlTokenType.WhiteSpace:
+                case TSqlTokenType.Semicolon:
+                    continue;
+            }
+
+            currentToken = node.ScriptTokenStream[index];
+
+            if (tokenType is TSqlTokenType.Go &&
+               lastToken?.TokenType is TSqlTokenType.Go)
+            {
+                AddViolation(Name, Text, currentToken.Line, currentToken.Column);
+            }
+
+            lastToken = currentToken;
+        }
+    }
+}