I'm trying to connect the alembic library to the databases and sqlalchemy libraries. As a guide, I use this example link My projects file: db.py from databases import Database from sqlalchemy impor...

I've decided to write a small webapp using Flask, postgresql and leaflet. I wanted to store coordinates (latitude and longitude) using PostGIS extender for postgresql. My flask application uses Fla...

I'm trying to use alembic with a MySQL engine to perform online migrations. I've found that when an operation in my onupgrade() method fails my database gets stuck in an inconsistent state and i ca...

How I can clear history using alembic? I couldn't find this option in alembic history. I want to run from the first migration rather than the last applied.

I am using alembic to manage my database changes. Other people may also add changes to this database. Everything is set up correctly and this is currebtly working fine. However, because we are many...

For some reason, after adding a new column to a model, alembic's command alembic revision --autogenerate detects a new table and, accordingly, generates a new migration for the whole entity, instea...

At some point in the past I've run an alembic migration which creates a users table like... def upgrade(): ... op.create_table( "users", sa.Column("id", sa.Integer(), autoin...

I am trying to run alembic migration and when I run alembic revision --autogenerate -m "Added initial tables" It fails saying sqlalchemy.exc.ArgumentError: Can't load plugin: sqlalchemy.dialec...

I'm trying to improve CI pipeline to prevent situations where SQLAlchemy models are added or changed, but no Alembic migration is written or generated by the commit author from hitting the producti...

I'm trying to find a way to get SqlModel and Alembic play nice together. My goal is to not have to hand-edit the auto-generated alembic migrations. Here's my model class: class SongBase(SQLModel): ...

So, Im trying to setup Alembic with FastAPI and Im having a problem with Pydantic's BaseSettings, I get a validation error (variables not found) because it doesnt find the .env file (?) It can be s...

Alembic has commands to upgrade and downgrade to a specific revision, e.g. on the command line: alembic upgrade <target-revision> And alembic downgrade <target-revision> Is there ...

I want to add a column that is autoincrement that is not primary key to an existing MySQL database. The command issued on the server required for this operation is the following: ALTER TABLE `myt...

I have just started looking at Alembic, and coming from Django, where we have South to migrate our database schemas (which is soon to be included) which uses a friendly old fixed-width number like ...

When I am trying to do alembic upgrade head I am getting this error: ERROR [alembic.util.messaging] Online migration expected to match one row when updating '3aae6532b560' to 'a1d8dae7cc' in '...

just a follow-up question to this one I have the app deployed to AWS Lambda, which works with RDS Database PostgreSQL, Lambda is called by API Gateway for processing external requests like GET /api...

I want to add alembic to an existing ,sqlalchemy using, project, with a working production db. I fail to find what's the standard way to do a "zero" migration == the migration setting up the db as ...

I am trying to use bulk_insert to insert data into an existing table (services) in my Postgres database. How do I instantiate this table object so I can do a bulk_insert with it? I saw answers li...

I am working on FastAPI - Uvicorn. I want to disable the logging by uvicorn. I need only the logs which are logged by the server. I referred to this blog and implemented the logging.

I'm trying to create a table and a view based on this table in a SQLAlchemy/alembic/PostgreSQL environment, with alembic revision --autogenerate. I could properly setup things so that alembic ident...

I'm attempting to configure SQLAlchemy Alembic for my Pyramid project and I want to use my developement.ini (or production.ini) for the configuration settings for Alembic. Is it possible to specify...

Suppose, there's some trigger in the database with a function, like this: -- Insert a new entry into another table -- every time a NEW row is inserted CREATE FUNCTION trgfunc_write_log() RETURNS TR...

I am writing a migration in alembic but seems impossible to me the change the value of server_defaults from something to nothing. My code: op.alter_column("foo", sa.Column("bar", sa.DateTime(time...

I am using Alembic for migrations implementation in a Flask project. There is a alembic.ini file where the database configs must be specified: sqlalchemy.url = driver://user:password@host/dbname ...

Alembic beginner here. I'm having some issues with Alembic trying to delete my tables that are already created. I have no idea what is going on. Right now I have a database that looks like this: ...