Hi Florian and everybody,
On Sunday 03 March 2013, Florian Apolloner wrote:
> On Sunday, March 3, 2013 12:27:47 AM UTC+1, Shai Berger wrote:
> > > I also believe that it beats the alternative — namely, live with the
> > >
> > > current behavior forever.
> >
> > I sincerely hope [...] that there'
Hi,
On Monday 04 March 2013, Aymeric Augustin wrote:
> On 4 mars 2013, at 04:04, Shai Berger wrote:
> > you need to be sure that, in all these places, either reads don't
> > really affect consequent writes, or some constraint holds that is
> > equivalent to serializability -- otherwise, negative
Hey I am currently working on a geolocation based game that utilizes a
geodjango application to manage querying, parsing, and server geographical
data to our client. We are currently using PostGIS to store our OSM data.
We are using the OSM tilename system throughout our project and some of our
On Mar 4, 2013, at 7:24 AM, Aymeric Augustin wrote:
> PostgreSQL and Oracle use the "read committed" ...
Sorry, replied too soon!
> The reasoning and the conclusion still stand.
Agreed.
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-- Christophe Pettus
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On Mar 4, 2013, at 5:00 AM, Aymeric Augustin wrote:
> PostgreSQL and Oracle use the "repeatable read" isolation level by default.
Without explicitly changing it, PostgreSQL's default is READ COMMITTED. Or are
we setting it explicitly to REPEATABLE READ in the new model?
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-- Christophe Pettu
On 4 mars 2013, at 16:04, Andrey Antukh wrote:
> If not I'am wrong, postgresql uses "read commited" by default and mysql
> "repeatable read"
Sorry, I swapped the isolation level names when I wrote the explanation. The
correct version is:
PostgreSQL and Oracle use the "read committed" ...
MyS
+1 for the first syntax too :)
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Hi,
On Monday, March 4, 2013 2:00:03 PM UTC+1, Aymeric Augustin wrote:
>
> PostgreSQL and Oracle use the "repeatable read" isolation level by
> default.
According to http://www.postgresql.org/docs/9.1/static/transaction-iso.html
PG uses "read commited" as default.
> MySQL uses "read commit
If not I'am wrong, postgresql uses "read commited" by default and mysql
"repeatable read"
http://www.postgresql.org/docs/9.1/static/transaction-iso.html -> "Read
Committed is the default isolation level in PostgreSQL. "
http://dev.mysql.com/doc/refman/5.0/en/innodb-transaction-model.html -> "In
te
On 4 mars 2013, at 04:04, Shai Berger wrote:
> you need to be sure that, in all these places, either reads don't
> really affect consequent writes, or some constraint holds that is equivalent
> to
> serializability -- otherwise, negative effect is possible.
PostgreSQL and Oracle use the "repe
On 4 mars 2013, at 01:07, Shai Berger wrote:
>> On 1 mars 2013, at 13:48, Aymeric Augustin
>> wrote:
>>
>> I'd like to add an @atomic decorator that:
>> - Really guarantees atomicity, by raising an exception if you attempt
>> commit within an atomic block,
>
> Fragility alert: databases
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