Hey Mike, thanks for the reply. I feel really bad in that I am struggling
on this, a little background, I am trying to get Caravel, which uses SQL
Alchemy to play nice with Apache Drill, this means I am learning about
dialects through a crash course of feeling really dumb, I've had some
success
Appreciate the link Mike. Not to sound ungrateful, but is there any thing
more specifc on the various items within the base.py file that I can do?
The Access example is great, and I've copied that as my base, but
understanding a bit more on the the under the hood methods would be
helpful. I think
a SQL query that uses parameters will use ? if the DBAPI uses "qmark"
paramstyle which is very common. The actual value that lines up with
the ? is part of the "parameters" sequence. The specification for this
is at https://www.python.org/dev/peps/pep-0249/#id15 which also links
out to
the guidelines we have are in a README you can see here:
https://github.com/zzzeek/sqlalchemy/blob/master/README.dialects.rst
however, the best way to really get into the methods and things is to
look at the existing dialects and see what they are doing.we don't
have extensive
I am writing my own dialect, and for some reason, when my application sets
a limit via parameter, the query submitted to the back end just has ? in
it. Is this an issue with the dialect, the pyodbc (doubt it's that), or the
ODBC driver itself?
Thanks, John
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I am trying to write a new dialect, and while many things are fairly
obvious, many are also not. It would be helpful to point to some docs on
how the dialect writing works, what events/methods we can overwrite and
what it can help us do.
Thanks!
John
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Sure, the Teradata database has create table ddl where you can specify
certain options that are separated by commas. We have a reference manual
available online specifying the full DDL here
saw your pull request, just curious what database / DDL is this? Just
like to see the finished product that you're going for.
On 05/18/2016 09:19 PM, Mark Sandan wrote:
Hi, I'm implementing a dialect for sqlalchemy and would like to add
options before the '(' but after the table name in
On 05/19/2016 08:58 AM, Михаил Доронин wrote:
Suppose I have models (with corresponding tables) in pseudocode
table1
| some_unique_name | some_property |
|--+---|
| foo | 1 |
|--+---|
| bar | 2
I rarely think in terms of hits anymore, just free memory and cpu. Apache is
still a bit too greedy for me, so I prefer to offload onto a cdn and or use
nginx to free up resources.
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The bigger issues with a lot of the date operations are the the internal db
representations, different functions in each db, and the nonstandardness of
driver behavior. Sqlalchemy does a lot, even when it looks like it doesn't.
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Suppose I have models (with corresponding tables) in pseudocode
table1
| some_unique_name | some_property |
|--+---|
| foo | 1 |
|--+---|
| bar | 2 |
|--+---|
Completely forgot! Thank you, Mike. That works.
On Tuesday, 17 May 2016 00:43:07 UTC+3, Mike Bayer wrote:
>
>
>
> On 05/16/2016 04:34 PM, Михаил Доронин wrote:
> > I've opened issue here
> > <
> https://bitbucket.org/zzzeek/sqlalchemy/issues/3714/sqlalchemy-core-returns-string-instead-of>,
>
>
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