Is there any package naming convention for SQLAlchemy dialect? I found some
are named:
sqlalchemy-
e.g., sqlalchemy-redshift, sqlalchemy-vertica,...
while others are:
-sqlalchemy
I'm building one for our company's db, snowflake, and wondering which name
I should choose...
Any advice would be
Bump
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you have a FreeTDS problem at this point and you need to contact them at
http://lists.ibiblio.org/mailman/listinfo/freetds for further help.
On 06/03/2016 04:49 PM, Brad Hudson wrote:
I'm thoroughly confused. It seems that the connection is complaining
about a "[Microsoft][ODBC Driver
I'm thoroughly confused. It seems that the connection is complaining about
a "[Microsoft][ODBC Driver Manager]" issue when my DSN is clearly using the
"Adaptive Server Enterprise" driver.
I thoroughly confused. It seems that the connection error is complaining
about a "[Microsoft][ODBC Driver Manager]" when my DSN is specifically
configured for the "Adaptive Server Enterprise" driver.
On 06/03/2016 02:44 PM, Angie E wrote:
Rather than creating mixin classes that models inherit from, I have a
use case that requires me to configure classes the other way around. The
classes that would normally be mixin classes need to be the classes that
inherit from the models as well as the
Rather than creating mixin classes that models inherit from, I have a use
case that requires me to configure classes the other way around. The
classes that would normally be mixin classes need to be the classes that
inherit from the models as well as the class that model objects are created
Thanks for that, it definitely fails on the connect, but I don't understand
why it's failing and complaining about a
[Microsoft][ODBC Driver Manager]
issue when I've tried both FreeTDS and Adaptive Server Enterprise?
On Friday, June 3, 2016 at 10:21:18 AM UTC-5, Mike Bayer wrote:
>
>
>
>
On Friday, June 3, 2016 at 7:49:23 AM UTC-4, Krishnakant wrote:
>
> So it will have no performance difference is it?
>
> If both do same thing then how and why will explicit connection help me
> better?
>
the `engine.execute()` will be slower, because you will be
creating/checking-out a
On 06/03/2016 11:18 AM, Adrian wrote:
I think there's a misunderstanding - I don't want to manually populate
the relationship, I want to avoid spamming queries if I get e.g. 10
categories and need the parent chains for all of them.
Here's a pseudo-ish example of what I'd like to do (without
On 06/03/2016 11:15 AM, Brad Hudson wrote:
Mike:
First, thank you very much for the response. However, it doesn't appear
to be an issue with the connection string, but with the automap_base()
function itself. Please see my modified results below:
this is a simple connection failure.
I think there's a misunderstanding - I don't want to manually populate the
relationship, I want to avoid spamming queries if I get e.g. 10 categories
and need the parent chains for all of them.
Here's a pseudo-ish example of what I'd like to do (without queries in the
loop):
categories =
Mike:
First, thank you very much for the response. However, it doesn't appear to
be an issue with the connection string, but with the automap_base()
function itself. Please see my modified results below:
Python 3.5.1 |Continuum Analytics, Inc.| (default, Feb 16 2016, 09:49:46)
[MSC v.1900 64
you would first set up a traditional adjacency list relationship as in
http://docs.sqlalchemy.org/en/latest/orm/self_referential.html?highlight=adjacency%20list.
Second, as you run this query you can retrieve Category objects fully,
however they will be in a straight down list. As you
I have a Category model that has (among other things) a `id` and
`parent_id` since my categories are organized in a tree.
@property
def chain_query(self):
"""Get a query object for the category chain.
The query retrieves the root category first and then all the
On Fri, Jun 03, 2016 at 10:24:23AM -0400, Mike Bayer wrote:
>
>
> op.get_bind().engine.name
/me hangs his head in shame.
Thanks, I probably should have tried that.
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op.get_bind().engine.name
On 06/03/2016 10:21 AM, Michal Petrucha wrote:
On Fri, Jun 03, 2016 at 10:05:31AM -0400, Mike Bayer wrote:
op.get_bind().name should do it
Alas, I have already tried that:
if op.get_bind().name == 'postgresql':
AttributeError: 'Connection' object has no
this is supported by just passing all key/value pairs:
>>> from sqlalchemy.dialects.sybase import pyodbc
>>> dialect = pyodbc.SybaseDialect_pyodbc()
>>> from sqlalchemy.engine import url
>>> u =
url.make_url("sybase+pyodbc:///?user=myuser=mypwd=my.db.server=mydb=FreeTDS=1433_Version=8.0")
On Fri, Jun 03, 2016 at 10:05:31AM -0400, Mike Bayer wrote:
> op.get_bind().name should do it
Alas, I have already tried that:
if op.get_bind().name == 'postgresql':
AttributeError: 'Connection' object has no attribute 'name'
Michal
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op.get_bind().name should do it
On 06/03/2016 03:25 AM, Michal Petrucha wrote:
Hi everyone,
I remember seeing a quick expression that extracts the name of the
dialect in use from alembic.op, but I can't find it anywhere now, and
I can't figure it out by myself either. Does anybody know the
Can anyone help with forming a proper connection to Sybase ASE 15.7? I have
tried variations of the following unsuccessfully using examples from the
following URLs:
-
http://stackoverflow.com/questions/4493614/sqlalchemy-equivalent-of-pyodbc-connect-string-using-freetds
-
On Friday 03 June 2016 04:44 AM, Jonathan Vanasco wrote:
as the docs state, `engine.execute(foo)` is shorthand for "connection
= engine.connect()" + "connection.execute(foo)". you can verify this
in the source.
So it will have no performance difference is it?
for what you describe, it's
Hi everyone,
I remember seeing a quick expression that extracts the name of the
dialect in use from alembic.op, but I can't find it anywhere now, and
I can't figure it out by myself either. Does anybody know the right
chain of attributes and/or method calls to follow from alembic.op to
get to
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