is there any way how to write the following SQL statement in SQLAlchemy ORM: SELECT AVG(a1) FROM (SELECT s开发者_如何学编程um(irterm.n) AS a1 FROM irterm GROUP BY irterm.item_id);
I am developing a web API with 10 tables or so in the backend, with several one-to-many and many-to-many associations. The API essentially is a database wrapper that performs validated updates and con
I have a many-to-many relationship in which the relation-table contains more columns than only the primary key. As an example, consider a slide show system in which each image could have it\'s own tim
Suppose that I have开发者_如何学Python a table Articles, which has fields article_id, content and it contains one article with id 1.
I\'m trying to figure out the best way to pick informations rendered using shaders. A window manager buffer (the window) is used for outputting rendering. On user event I should pick the geometry rend
How can I insert multiple data开发者_Python百科 records into table ignoring duplicates. I am using SQLAlchemy.
Suppose I have the following tables: Articles with fields article_id, title Tags with fields tag_id, name
How can I getthe id of the created record in SQLAlchemy? I\'m doing: engine.execute(\"insert into users values(1,\'john\')开发者_如何学C\")
To anyone with experience of SQLAlchemy, this will be basic I am sure; But I don\'t find the docs that helpful and I am sick of scratching my head.
I\'m trying to allow users to \'favorite\' different items in my web app. So, for example, a user can favorite a comment and favorite a news story. I then want to query all of the items a user has fav