Function deconstruct_array

pub unsafe fn deconstruct_array(
    arg_array: *mut ArrayType,
    arg_elmtype: Oid,
    arg_elmlen: i32,
    arg_elmbyval: bool,
    arg_elmalign: i8,
    arg_elemsp: *mut *mut Datum,
    arg_nullsp: *mut *mut bool,
    arg_nelemsp: *mut i32,
)