MySql.Data.MySqlClient.SchemaProvider.GetForeignKeysOnTable C# (CSharp) Method

        private void GetForeignKeysOnTable(DataTable fkTable, DataRow tableToParse,
                                           string filterName, bool includeColumns)
        {
            string sqlMode = GetSqlMode();

            if (filterName != null)
                filterName = filterName.ToLower(CultureInfo.InvariantCulture);

            string sql = string.Format("SHOW CREATE TABLE `{0}`.`{1}`",
                                       tableToParse["TABLE_SCHEMA"], tableToParse["TABLE_NAME"]);
            string lowerBody = null, body = null;
            MySqlCommand cmd = new MySqlCommand(sql, connection);
            using (MySqlDataReader reader = cmd.ExecuteReader())
            {
                reader.Read();
                body = reader.GetString(1);
                lowerBody = body.ToLower(CultureInfo.InvariantCulture);
            }

            MySqlTokenizer tokenizer = new MySqlTokenizer(lowerBody);
            tokenizer.AnsiQuotes = sqlMode.IndexOf("ANSI_QUOTES") != -1;
            tokenizer.BackslashEscapes = sqlMode.IndexOf("NO_BACKSLASH_ESCAPES") != -1;
            
            while (true)
            {
                string token = tokenizer.NextToken();
                // look for a starting contraint
                while (token != null && (token != "constraint" || tokenizer.Quoted))
                    token = tokenizer.NextToken();
                if (token == null) break;

                ParseConstraint(fkTable, tableToParse, tokenizer, includeColumns);
            }
        }