| From: | Noah Misch <noah(at)leadboat(dot)com> |
|---|---|
| To: | Merlin Moncure <mmoncure(at)gmail(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Rajeev rastogi <rajeev(dot)rastogi(at)huawei(dot)com>, Craig Ringer <craig(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Subject: | Re: Autonomous Transaction is back |
| Date: | 2015-09-12 03:16:19 |
| Message-ID: | 20150912031619.GB3238938@tornado.leadboat.com |
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| Lists: | pgsql-hackers |
On Fri, Sep 11, 2015 at 02:30:53PM -0500, Merlin Moncure wrote:
> On Thu, Sep 10, 2015 at 8:39 PM, Noah Misch <noah(at)leadboat(dot)com> wrote:
> > It's an exceptionally-challenging development project, agreed. So much code
> > assumes the 1:1 relationship between backends and top-level transactions.
>
> I guess I'm being obtuse, but can you explain why that assumption must
> be revisited?
It's not imperative, but the proposal on the table does so. Robert described
doing so as "a key design goal for this feature"[1]. I have a general picture
of why the proposers chose that, but I will defer to them for any elaboration.
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