let query_string = req#param "query" in
let lexbuf = Lexing.from_string query_string in
let query = MQueryUtil.query_of_text lexbuf in
let result = MQueryInterpreter.execute mqi_handle query in
let result_string = pp_result result in
let query_string = req#param "query" in
let lexbuf = Lexing.from_string query_string in
let query = MQueryUtil.query_of_text lexbuf in
let result = MQueryInterpreter.execute mqi_handle query in
let result_string = pp_result result in