Re: Improving PL/Tcl's error context reports

I wrote:
> Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
>> PLpgSQL uses more often function signature
>> (2024-07-04 19:49:20) postgres=# select bx(0);
>> ERROR: division by zero
>> CONTEXT: PL/pgSQL function fx(integer) line 1 at RETURN
>> PL/pgSQL function bx(integer) line 1 at RETURN

> Oh that's a good idea! So let's use format_procedure(), same as
> plpgsql does, to generate the final context line that currently
> reads like

> in PL/Tcl function "bogus"

> Then, we could apply the "pull out just alphanumerics" rule to
> the result of format_procedure() to generate the internal Tcl name.
> That should greatly reduce the number of cases where we have duplicate
> internal names we have to unique-ify.

Here's a v2 that does it like that.

regards, tom lane