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Date: Tue, 9 Jul 2013 16:13:43 +1000
Subject: Re: Default scope of variables
From: Chris Angelico <rosuav@gmail.com>
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Xref: csiph.com comp.lang.python:50210

On Tue, Jul 9, 2013 at 4:08 PM, alex23 <wuwei23@gmail.com> wrote:
> On 9/07/2013 3:07 PM, Chris Angelico wrote:
>>
>> The subtransactions are NOT concepted as separate transactions. They
>> are effectively the database equivalent of a try/except block.
>
>
> Sorry, I assumed each nested query was somehow related to the prior
> one. In which case, I'd probably go with Ethan's suggestion of a
> top-level transaction context manager with its own substransaction
> method.

Yeah, that would probably be the best option in this particular
instance. Though I do still like the ability to have variables shadow
each other, even if there's a way around one particular piece of code
that uses the technique.

ChrisA