Python Playground

We use sqlalchemy in some complicated unit tests. At the end of each test, we tear down the databas… Read more Sqlalchemy Force All Connections To Close Mysql

In django ORM you can directly filter by relationship attributes. Eg, given the tables class Produc… Read more Sqlachemy: Filter By Relationship (like Django Orm)?

is there any way how to write the following SQL statement in SQLAlchemy ORM: SELECT AVG(a1) FROM (S… Read more Sqlalchemy Subquery - Average Of Sums

I'm using the SQLAlchemy ORM to construct the MySQL queries in my application, and am perfectly… Read more How To Use Mathematic Equations As Filters In Sqlalchemy

I want to store audio files in my database. I know, for example, that strings would use db.String,… Read more Which Sqlalchemy Column Type Should Be Used For Binary Data?

I'm working with sqlalchemy 1.1 and scrapy. I'm currently using a a pipeline to store extra… Read more Sqlalchemy : Dynamically Create Table From Scrapy Item

For the SQL statement, I want to do an OR filter only if the input variable is not None. E.g # inpu… Read more Sqlalchemy - Adding Or Condition With Different Filter

In my flask sqlalchemy based app, I have a model like this: class Foo(object): start_date = db.… Read more Sqlalchemy Doesn't Seem To Like __getattr__()