I\'m using SQLAlchemy and I what I liked with Django ORM was the Manager I could implement to override the initial query of an object.
Let\'s consider the followi开发者_StackOverflow社区ng table models for sqlalchemy in python. class Worker(Base):
The tables authors and books are in a many to many relationship. A book can have many authors. An author has possibly written many books.
I am using SQLAlchemy to populate a database and often I need to check if a orm object exists in a database before processing. This may be an unconventional question, but I found myself encountering t
I need to find the equivalent of this query in sqlalchemy. SELECT u.user_id, u.user_name, c开发者_如何学JAVA.country FROM
I have a custom InsertFromSelect class which does exactly what it\'s name says. The output query is exactly what I need, problem is that I can\'t seem to execute it.
I am having problems reflecting tables in Oracle using cx_Oracle version 5.1 (autoload=True).Everything works fine under cx开发者_如何学Go_Oracle version 5.0.4. Here\'s the error I get:
I am a little stuck with sqlalchemy trying to update some data. I have a many to many and a one to many relationship. The first is a relationship between an author and the possible spellings of his n
I have a pretty standard many-to-many relationship, similar to the Blog -> Keyword relationship in the ORM tutorial.
I am using SQlAlchemy in my web project. What should I use - scoped_session(sessionmaker()) or plain sessionmaker() - and why? O开发者_C百科r should I use something else?