fix native params

Author: KirillKurdyukov

src/Ydb.Sdk/src/Ado/Internal/SqlParser.cs

@@ -164,10 +164,10 @@ private static int ParseMultilineStringLiterals(string sql, int curToken)
         return curToken + 2;
     }
 
-    private static bool ParseInKeyWord(string sql, int keyWordStart) => sql.Length - keyWordStart >= 2 &&
+    private static bool ParseInKeyWord(string sql, int keyWordStart) => sql.Length - keyWordStart >= 3 &&
                                                                         (sql[keyWordStart] | 0x20) == 'i' &&
-                                                                        (sql[keyWordStart + 1] | 0x20) == 'n';
-
+                                                                        (sql[keyWordStart + 1] | 0x20) == 'n' &&
+                                                                        !sql[keyWordStart + 2].IsSqlIdentifierChar();
 
     private static int ParseInListParameters(
         string sql,
@@ -255,7 +255,7 @@ private static (string Name, int NextToken) ParseNameParam(string sql, int curTo
         var prevToken = ++curToken;
 
         for (;
-             curToken < sql.Length && (char.IsLetterOrDigit(sql[curToken]) || sql[curToken] == '_');
+             curToken < sql.Length && sql[curToken].IsSqlIdentifierChar();
              curToken++)
         {
         }
@@ -268,6 +268,11 @@ private static (string Name, int NextToken) ParseNameParam(string sql, int curTo
         return ($"${sql[prevToken .. curToken]}", curToken);
     }
 
+    public static bool IsSqlIdentifierChar(this char c)
+    {
+        return char.IsLetterOrDigit(c) || c == '_';
+    }
+
     private class SqlParamsBuilder
     {
         private readonly HashSet<string> _foundParamNames = new();

src/Ydb.Sdk/src/Ado/YdbCommand.cs

@@ -188,6 +188,11 @@ protected override async Task<DbDataReader> ExecuteDbDataReaderAsync(CommandBeha
 
         foreach (var sqlParam in sqlParams)
         {
+            if (sqlParam.IsNative && !ydbParameterCollection.ContainsKey(sqlParam.Name))
+            {
+                continue;
+            }
+            
             var ydbValue = sqlParam.YdbValueFetch(ydbParameterCollection);
 
             if (!sqlParam.IsNative)

src/Ydb.Sdk/tests/Ado/Internal/SqlParserTests.cs

@@ -262,7 +262,11 @@ public void Parse_WhenMultilineStringLiterals_ReturnSql()
 SELECT $text;
 -- Comment with params @param, @p2, @p_3
 SELECT $param; SELECT $p2; SELECT $p_3;", sql);
-        Assert.Equal(new PrimitiveParam[] { new("$param", false), new("$p2", false), new("$p_3", false) }, sqlParams);
+        Assert.Equal(new PrimitiveParam[]
+        {
+            new("$text", true), new("$param", false),
+            new("$p2", false), new("$p_3", false)
+        }, sqlParams);
     }
 
     [Fact]