val close : Postgres.connection -> unit
-val exec : Postgres.connection ->
+val exec : Postgres.connection * (MQITypes.query -> unit) ->
MQITypes.table -> MQITypes.columns ->
string MQITypes.con_true -> string MQITypes.con_false ->
- MQITypes.result * MQITypes.query
-
-
+ MQITypes.result