This seems to be correct, the issue does not occur if I run the exact same
code locally. Lambda must be doing something, somehow, that is causing
this. Any advice on how to fix the problem?
On Friday, February 14, 2020 at 9:10:49 AM UTC-5, Mike Bayer wrote:
>
> this looks like something up with the environment or the interpreter.
> The error message says it got an object whose type() returns
> "BinaryExpression". that is exactly the type it is looking for; this
> class should be a subclass of sqlalchemy.sql.visitors.Visitable. However
> for this error to occur, that is suddenly not the case, or the Visitable /
> BinaryExpression symbol has been modified at runtime, something like
> that. It's not clear if this could be some artifact of AWS Lambda, or
> the way the application is doing imports, or something like that.
>
> the approach here would be to make a test program that produces the error
> under AWS Lambda, then run it in a local Python environment and see if the
> results are the same or different.
>
> On Fri, Feb 14, 2020, at 5:16 AM, Simon King wrote:
>
> Can you show the real code that runs the query? I'm wondering whether
> the thing that you are comparing against my_table.c.name is not
> actually a simple string.
>
> Simon
>
> On Wed, Feb 12, 2020 at 11:01 PM Mark Wilkins <cont...@markwilkins.dev
> <javascript:>> wrote:
> >
> > Some additional code incase its relevent:
> >
> > # Get DB connection
> > engine = setup_env_db_engine(debug=True)
> > connection = engine.connect()
> >
> > # Configure SQLalchemy
> > meta = MetaData(bind=engine)
> > meta.reflect()
> >
> > my_table = meta.tables.get('my_table')
> >
> >
> > --
> > SQLAlchemy -
> > The Python SQL Toolkit and Object Relational Mapper
> >
> > http://www.sqlalchemy.org/
> >
> > To post example code, please provide an MCVE: Minimal, Complete, and
> Verifiable Example. See http://stackoverflow.com/help/mcve for a full
> description.
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> .
>
> --
> SQLAlchemy -
> The Python SQL Toolkit and Object Relational Mapper
>
> http://www.sqlalchemy.org/
>
> To post example code, please provide an MCVE: Minimal, Complete, and
> Verifiable Example. See http://stackoverflow.com/help/mcve for a full
> description.
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> .
>
>
>
--
SQLAlchemy -
The Python SQL Toolkit and Object Relational Mapper
http://www.sqlalchemy.org/
To post example code, please provide an MCVE: Minimal, Complete, and Verifiable
Example. See http://stackoverflow.com/help/mcve for a full description.
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