On Tue, Jun 20, 2023 at 3:47 PM Mike Bayer
wrote:
>
>
> step 1 is stop using that silly Flask extension that gives you
> "Pipeline.query", I can't tell what it is you want to SELECT from either by
> reading this query.
Wow, that made things a lot easier.
Is there any reason to avoid mixing
I've been banging on this for hours, but I seem to be getting nowhere.
I've tried more things that I can count, but here are two of my attempts:
# result = (
#Pipeline.query
# .select_from(Storage, NewProduct)
# .join(Storage, pipeline_alias1.storage_id == Storage.id)
#
Hi.
In https://pajhome.org.uk/blog/10_reasons_to_love_sqlalchemy.html it says:
When performing highly complex queries, it is possible to define these
with SQLAlchemy syntax. However, I find there's a certain level of
complexity where it becomes easier to write SQL directly. In that
case, you can
Hi folks.
I have a subquery that is selected from a table with 5 foreign keys,
and joined with another table with 3 foreign keys.
And then that subquery is used in a join with the table having the 3
foreign keys again.
I don't know how to tell what column(s) that join is happening on.
What
I know, python2 is long dead. We’re almost ready for Python3, but not quite.
Anyway, here’s a traceback that I’m not sure what to make of. Is it
saying that a transaction got so big that it couldn’t be fully flushed
within the timeout window? I’ve elided a sensitive part from the very
end of
eliminate much of what the query is producing?
From: 'Dan Stromberg [External]' via sqlalchemy
Date: Tuesday, March 21, 2023 at 9:05 AM
To: sqlalchemy@googlegroups.com
Subject: Re: [sqlalchemy] Test query seems to spuriously give
sqlalchemy.exc.OperationalError: (MySQLdb.OperationalError) (1054
Hoping to save an iteration: the SQL currently looks like:
[SQL: SELECT tb_nv.id, min(bs_3.build_id) AS min_1
FROM tb_nv, tb_brst AS bs_3, tb_brst AS bs INNER JOIN tb_vers AS v_2 ON
bs.version_id = v_2.id, tb_brst AS bs_2 INNER JOIN tb_br ON tb_br.id =
bs_2.branch_id]
From: 'Dan Stromberg
torial/data_select.html*explicit-from-clauses-and-joins__;Iw!!Ci6f514n9QsL8ck!gsSZYRslnIShc80D5SJP9hQv7FJkNL5Bzfvc8dkqobmEg8-ctkAcRyR1sZuv3pRL4eCzLvlJC-VDSf5sXXQNtX0d4POMpzTQh3-QUw$>
On Mon, Mar 20, 2023, at 5:16 PM, 'Dan Stromberg [External]' via sqlalchemy
wrote:
I’m getting some pushback int
Here’s the select, and most of the from clause:
select nv.id, min(bs.build_id) as min_build_id
from tb_v as v,
tb_nv as nv,
tb_bs as bs,
tb_br as br,
From: 'Dan Stromberg [External]' via sqlalchemy
Date: Monday, March 20, 2023 at 2:16 PM
To: sqlalchemy@googlegroups.com
Subject: Re
n Mon, Mar 20, 2023, at 10: 33
AM, 'Dan Stromberg [External]' via sqlalchemy wrote: That makes sense, but….
I’m afraid I don’t know how to add tb_br to the select. I tried: query = (
select(NV. id,
what SQL are you going for ? start with that.
On Mon, Mar 20, 2023, at 10:33 AM, 'Dan Stromberg
query to include some indication how tb_br is part
of what's being joined.
On Fri, Mar 17, 2023, at 7:52 PM, 'Dan Stromberg' via sqlalchemy wrote:
Hi people.
I'm having trouble with a test query.
As the subject line says, I'm getting:
sqlalchemy.exc.OperationalError: (MySQLdb.OperationalError
Sorry, I don’t know why Google Groups decided to aggregate a few lines into 2
large lines. Here’s that list of versions again. Hopefully GG will be
appeased this time.
I'm using:
$ python3 -m pip list -v | grep -i sqlalchemy
Flask-SQLAlchemy 2.5.1
Hi people.
I'm having trouble with a test query.
As the subject line says, I'm getting:
sqlalchemy.exc.OperationalError: (MySQLdb.OperationalError) (1054, "Unknown
column 'tb_br.id' in 'on clause'")
But it seems like tb_br exists, and has an id column - tb_br being an empty
table, but still,
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