From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
---|---|
To: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
Cc: | Tim Bunce <Tim(dot)Bunce(at)pobox(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: release notes |
Date: | 2010-06-09 19:11:18 |
Message-ID: | AANLkTin1Yb6DsHFv4Wlg49rMBPPrMwNXLysZ9rN3XFwD@mail.gmail.com |
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Lists: | pgsql-hackers |
On Sun, May 30, 2010 at 6:58 PM, Andrew Dunstan <andrew(at)dunslane(dot)net> wrote:
> Tim Bunce wrote:
>> p.s. It also turned to be insufficiently useful for NYTProf since it
>> doesn't also update some internals to record the 'filename' and line
>> number range of the sub. So PostgreSQL::PLPerl::NYTProf works around
>> that by wrapping mkfuncsrc() to edit the generated perl code to include
>> a subname in the usual "sub $name { ... }" style. I may offer a patch
>> for 9.1 to to make it work that way.
>
> I put this aside to think about it.
>
> If the "feature" is not any use should we rip it out? We pretty much
> included it because you said it was what you needed for the profiler.
>
> I'm seriously nervous about adding function names - making functions
> directly callable like that could be a major footgun recipe, since now we
> are free to hide some stuff in the calling mechanism, and can (and have in
> the past) changed that to suit our needs, e.g. when we added trigger support
> via a hidden function argument. That has been safe precisely because nobody
> has had a handle on the subroutine which would enable it to be called
> directly from perl code. There have been suggestions in the past of using
> this for other features, so we should not assume that the calling mechanism
> is fixed in stone.
>
> Perhaps we could decorate the subs with attributes, or is that not doable
> for anonymous subs?
This is still on our open items list - should we do anything about it?
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company
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