Oliver Elphick <olly@lfix.co.uk> writes:
> There are seven timestamp() functions in pg_proc and I don't think any
> of them can be used; should they not be removed or renamed?
Not unless you want to break the cast operations that use these
functions. OID 2025 isn't a cast and perhaps should be renamed,
but the rest are correct as-is.
I do agree that something needs to be done with the documentation...
regards, tom lane