PG Doc comments form writes:
> On the page:
> https://www.postgresql.org/docs/12/functions-binarystring.html
> The result for decode('123\000456', 'escape') is incorrect, it should be:
> # select decode('123\000456', 'escape');
> decode
> --
> \x31323300343536
The example is "correct" as given, because it assumes bytea_output is set
to escape, as noted at the top of the page. For v13, I have adjusted all
the examples on this page to follow the modern default of bytea_output =
hex, but I don't plan to retrofit the older branches that way.
regards, tom lane