string AddSqlForVariables(string queryText) => Regex.Replace(queryText, @"\@\w+\b", match =>
 {
     if (DeclareVariables.FirstOrDefault(nv => "@" + nv.Name == match.Value) != null)
     {
         return(AdvancedRecordset.GetVariableValue(match.Value));
     }
     return(match.Value);
 });
 string AddSqlForVariables(string queryText) => Regex.Replace(queryText, @"\@\w+\b", match => AdvancedRecordset.GetVariableValue(match.Value));