Arg (fun-postgresql.Fun_postgresql.Arg)

val text : string -> arg

val bool : bool -> arg

val int : int -> arg

val nativeint : nativeint -> arg

val int32 : int32 -> arg

val int64 : int64 -> arg

val float : float -> arg

val blob : string -> arg

val opt : ('a -> arg) -> 'a option -> arg

opt data value is the optional value encoded as query data.