Re: chained transactions

On 15/03/18 18:39, Alvaro Herrera wrote:
>>  From 517bc6d9fefdee9135857d9562f644f2984ace32 Mon Sep 17 00:00:00 2001
>> From: Peter Eisentraut<peter_e@gmx.net>
>> Date: Sun, 18 Feb 2018 09:33:53 -0500
>> Subject: [PATCH v1 6/8] Turn transaction_isolation into GUC enum
>>
>> XXX no idea why it was done the way it was, but this seems much simpler
>> and apparently doesn't change any functionality.
> Enums are recent -- 52a8d4f8f7e2, only 10 years old, and the commit
> didn't convert all cases, leaving some for later.  Funnily enough,
> default_transaction_isolation was changed afterwards by ad6bf716baa7 but
> not this one ... I guess "later" is now upon us for it.

With this patch, this stops working:

set transaction_isolation='default';

Other than that, +1 on this patch. I haven't looked closely at the rest 
of the patches yet.

- Heikki