in src/metadata/Schema.jl [341:351]
function Base.getproperty(x::Timestamp, field::Symbol)
if field === :unit
o = FlatBuffers.offset(x, 4)
o != 0 && return FlatBuffers.get(x, o + FlatBuffers.pos(x), TimeUnit.T)
return TimeUnit.SECOND
elseif field === :timezone
o = FlatBuffers.offset(x, 6)
o != 0 && return String(x, o + FlatBuffers.pos(x))
end
return nothing
end