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Trying to run an import process via sqlalchemy_aio and python await/async. When running self.session.query(City).filter_by(name='x').first(), the code fails with the ...

Apr 19, 2019 · AttributeError: 'psycopg2.extensions.connection' object has no attribute 'cusor' Python Runtime: 3.6; psycopg2-3.6; Here is my code very simple `import sys import logging import psycopg2 import psycopg2.extras. def lambda_handler(event, context): conn=psycopg2.connect("dbname=*** host=*** port=5439 user=*** password=***") #Connect and execute ...

Python SQLAlchemy Query: AttributeError: 'Connection' object has no attribute 'contextual_connect'. You must bind the session to a SQLAlchemy engine, not ...

When I try and query the database for the first time following along in their adding new objects section to test whether an object has been added to the database (see large code block below), I get the following error: AttributeError: 'Connection' object has no attribute 'contextual_connect' I can query the database.

... I get the following error: AttributeError: 'Connection' object has no attribute 'contextual_connect'. I can query the database.

30.05.2014 · AttributeError: 'psycopg2._psycopg.connection' object has no attribute '_logger' ... It also happens if instead of engine.connect().connection I use ... Could it be this one?: AttributeError("'module' object has no attribute 'ps2'",) Thank you very much!

Aug 18, 2017 · I am currently receiving the exception mentioned in the title on a production deployment of a flask application using SQLAlchemy. This issue has happened before (closed in #1246 and #2317), but appears to have resurfaced again. Some info about my environment: ``` #!bash % py --version Python 3.4.3 % pip freeze | grep SQLAlchemy SQLAlchemy==1.1.4 ``` Database is an RDS instance on AWS using ...

I'm trying to do metadata.reflect, here is my code: from sqlalchemy import create_engine, MetaData from os import getenv db_uri = getenv('DATABASE_URI') engine = create_engine(db_uri) m...

When I try and query the database for the first time following along in their adding new objects section to test whether an object has been added to the database (see large code block below), I get the following error: AttributeError: 'Connection' object has no attribute 'contextual_connect' I can query the database.

for whatever reason this does work from psycopg2._psycopg import connection.

18.11.2015 · I am building a quick prototype and so can swap out the orm with core pretty easily, but it would have been nice to see this before starting rather than when I searched the Internet for AttributeError: 'SAConnection' object has no attribute 'contextual_connect'.

18.08.2017 · AttributeError: 'Connection' object has no attribute '_Connection ... sqlalchemy-bot opened this issue Aug 18, 2017 · 8 comments Closed AttributeError: 'Connection' object has no attribute '_Connection__connection' #4046. sqlalchemy-bot ... I would guess that SQLAlchemy should be able to handle closed connections and be able to ...

Nov 18, 2015 · I am building a quick prototype and so can swap out the orm with core pretty easily, but it would have been nice to see this before starting rather than when I searched the Internet for AttributeError: 'SAConnection' object has no attribute 'contextual_connect'.

AttributeError: 'Connection' object has no attribute 'contextual_connect'

Aug 18, 2017 · Michael Bayer wrote:that would be all that's needed assuming the connection is still being managed by that session. it looks like the DB itself killed the connection as part of the incident, and then you state the app didn't recover from this, which looks like you had connections in the pool that were themselves also shut down.

In this state, the connection pool has no affect upon the connection, ... _schema_getter(None) """Return the ".schema" attribute for an object.

Above, the Engine.connect() method returns a Connection object, and by using it in a Python context manager (e.g. the with: statement) the Connection.close() method is automatically invoked at the end of the block. The Connection, is a proxy object for an actual DBAPI connection.

Apr 09, 2021 · The database queries in my bots, based on Pywikibot, crashes after the March changes (renamed the database replica T278252 and a few changes in Pywikibot like).From my PC (via SSH tunnel) scripts work, but not on toolforge.org server.

The line 'AttributeError: 'module' object has no attribute 'connect' tells you that when you run your script it reads itself assuming it is the inbuilt sqlite3 module which obviously doesn't contain the attribute connect.

AttributeError: 'Connection' object has no attribute '_Connection__connection' #4046. Closed. sqlalchemy-bot opened this issue on Aug 18, ...

AttributeError: 'Connection' object has no attribute 'contextual_connect' #216. I'm trying to do metadata.reflect , here is my code: