Indeed. But I do think your approach - which means that the binary data is
> actually interpreded as a datum of a specific type, drastically
> increases the risk.
>
>
Agreed.
As I noted earlier, I don't at all think deTOASTing is a must for this
function to be
valuable, just as tuple_data_split() is also valuable without deTOASTINGing.
I believe "best effort" is very reasonable in the case of a what is an
investigatory
method to begin with.