Re: [sqlalchemy] which is the current version for mission critical applications on production

2011-07-12 Thread Michael Bayer

On Jul 12, 2011, at 2:30 PM, Krishnakant Mane wrote:

> On 12/07/11 23:36, Michael Bayer wrote:
>> On Jul 12, 2011, at 1:57 PM, Krishnakant Mane wrote:
>> 
>>> On 12/07/11 20:34, Michael Bayer wrote:
 Hi Krishnakant -
 
 0.7.1 is the current stable production release which is where the focus of 
 development also lies.   0.6 is in maintenance releases at this point.
>>> 
>>> In that case will I have to change my code if I want to shift from 0.6 to 
>>> 0.7?
>>> I use Pylons as my web application framework.
>>> In addition the major projecct I am working on is using sqlalchemy version 
>>> 0.6.3 in its core engine.
>>> The core engine sends and recieves xml rpc messages.
>>> It then uses sqlalchemy  to talk with the database in postgresql.
>>> I plan to use a lot of expression api so I will like to know overall what 
>>> all changes will i have to make in my code which uses 0.6.
>>> Happy hacking.
>>> Krishnakant.
>> if you're on 0.6, you'd move up to 0.6.8 to get the latest fixes and such, 
>> and you can stay on 0.6 for the time being.
>> 
>> Moving to 0.7 requires little to no changes to calling code. But you 
>> would need to fully test your 0.6 application on 0.7 before moving into 
>> production. There are very few backwards incompatible changes overall, 
>> details at http://www.sqlalchemy.org/trac/wiki/07Migration
> 
> So  is 0.6.8 updated with the performance bennifits that we get in 0.7?

no it's not, by "latest fixes" i meant bugfixes that have been identified as 
back-portable to 0.7, which have been many, but generally do not include 
performance enhancements which are based on deeper architectural changes.

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Re: [sqlalchemy] which is the current version for mission critical applications on production

2011-07-12 Thread Krishnakant Mane

On 12/07/11 23:36, Michael Bayer wrote:

On Jul 12, 2011, at 1:57 PM, Krishnakant Mane wrote:


On 12/07/11 20:34, Michael Bayer wrote:

Hi Krishnakant -

0.7.1 is the current stable production release which is where the focus of 
development also lies.   0.6 is in maintenance releases at this point.


In that case will I have to change my code if I want to shift from 0.6 to 0.7?
I use Pylons as my web application framework.
In addition the major projecct I am working on is using sqlalchemy version 
0.6.3 in its core engine.
The core engine sends and recieves xml rpc messages.
It then uses sqlalchemy  to talk with the database in postgresql.
I plan to use a lot of expression api so I will like to know overall what all 
changes will i have to make in my code which uses 0.6.
Happy hacking.
Krishnakant.

if you're on 0.6, you'd move up to 0.6.8 to get the latest fixes and such, and 
you can stay on 0.6 for the time being.

Moving to 0.7 requires little to no changes to calling code. But you would 
need to fully test your 0.6 application on 0.7 before moving into production. 
There are very few backwards incompatible changes overall, details at 
http://www.sqlalchemy.org/trac/wiki/07Migration


So  is 0.6.8 updated with the performance bennifits that we get in 0.7?
Happy ahcking.
Krishnakant.

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Re: [sqlalchemy] which is the current version for mission critical applications on production

2011-07-12 Thread Michael Bayer

On Jul 12, 2011, at 1:57 PM, Krishnakant Mane wrote:

> On 12/07/11 20:34, Michael Bayer wrote:
>> Hi Krishnakant -
>> 
>> 0.7.1 is the current stable production release which is where the focus of 
>> development also lies.   0.6 is in maintenance releases at this point.
> 
> 
> In that case will I have to change my code if I want to shift from 0.6 to 0.7?
> I use Pylons as my web application framework.
> In addition the major projecct I am working on is using sqlalchemy version 
> 0.6.3 in its core engine.
> The core engine sends and recieves xml rpc messages.
> It then uses sqlalchemy  to talk with the database in postgresql.
> I plan to use a lot of expression api so I will like to know overall what all 
> changes will i have to make in my code which uses 0.6.
> Happy hacking.
> Krishnakant.

if you're on 0.6, you'd move up to 0.6.8 to get the latest fixes and such, and 
you can stay on 0.6 for the time being.

Moving to 0.7 requires little to no changes to calling code. But you would 
need to fully test your 0.6 application on 0.7 before moving into production. 
There are very few backwards incompatible changes overall, details at 
http://www.sqlalchemy.org/trac/wiki/07Migration




> 
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Re: [sqlalchemy] which is the current version for mission critical applications on production

2011-07-12 Thread Krishnakant Mane

On 12/07/11 20:34, Michael Bayer wrote:

Hi Krishnakant -

0.7.1 is the current stable production release which is where the focus of 
development also lies.   0.6 is in maintenance releases at this point.



In that case will I have to change my code if I want to shift from 0.6 
to 0.7?

I use Pylons as my web application framework.
In addition the major projecct I am working on is using sqlalchemy 
version 0.6.3 in its core engine.

The core engine sends and recieves xml rpc messages.
It then uses sqlalchemy  to talk with the database in postgresql.
I plan to use a lot of expression api so I will like to know overall 
what all changes will i have to make in my code which uses 0.6.

Happy hacking.
Krishnakant.

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Re: [sqlalchemy] which is the current version for mission critical applications on production

2011-07-12 Thread Michael Bayer
Hi Krishnakant -

0.7.1 is the current stable production release which is where the focus of 
development also lies.   0.6 is in maintenance releases at this point.

0.7 has numerous behavioral and performance advantages over 0.6 and is already 
used in production environments.

On Jul 9, 2011, at 3:22 PM, Krishnakant Mane wrote:

> Hello all.
> I have a very quick and short question.
> which is the current production release of sqlalchemy.
> I mean this in terms of performance and reliability.
> let me narrow down  the choices as per my knowledge.
> is it 0.6 or 0.7?
> And if 0.6 then which minor version?
> Happy hacking.
> Krishnakant.
> 
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