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WiGeeky： I have two tables named usersand permissionsI want to create a relationship between them using the specified table userPermissions. Here's what my code looks like: 类User（Base）：
__tablename__ ='用户'
id =列（Integer，primary_key = True）
first_
JiminyCricket: I looked at the documentation and can't seem to figure out how to do an OR query in SQLAlchemy. I just want to execute this query. SELECT address FROM addressbook WHERE city='boston' AND (lastname='bulger' OR firstname='whitey')
should be like
Storm Rider I want to translate the following query using SQLAlchemy, but I didn't find anything related to this topic in the documentation. SELECT * FROM table_persons, jsonb_array_elements(data->'persons') WITH ORDINALITY as persons (data, n);
where the dat
James May How can I get the required validator in SQLAlchemy? Actually, I just want to trust that the user fills in all required fields in the form. I use PostgreSQL, but it doesn't make sense because the table created from Objects in my models.py file is: fr
Lezan I'm trying to figure out how to insert many (~100k) records into a database using SQLAlchemy in Python 3. Everything points to using transactions. However, I'm a little confused as to how to get the job done. Some countries you get deals from connection.
Noah: I'm so confused about inheritance under sqlalchemy that I'm not even sure what type of inheritance (single table, joined table, concrete) should I use here. I have a base class that contains some information that is shared between subclasses, and some co
Wenzback: I am trying to execute this query in sqlalchemy SELECT id, name FROM user WHERE id IN (123, 456)
I want to bind the list [123, 456]at execution time . Simon: How session.query(MyUserClass).filter(MyUserClass.id.in_((123,456))).all()
EDIT : Without
JiminyCricket: I looked at the documentation and can't seem to figure out how to do an OR query in SQLAlchemy. I just want to execute this query. SELECT address FROM addressbook WHERE city='boston' AND (lastname='bulger' OR firstname='whitey')
should be like
Sidney De Moras I'm wondering if anyone has had this problem before. I have an application running in a Docker container using Python 3.7.3, SqlAlchemy and Falcon. My database is MariaDB, also running in a docker container. I set SqlAlchemy pool_recycleto 3600
Sidney De Moras I'm wondering if anyone has had this problem before. I have an application running in a Docker container using Python 3.7.3, SqlAlchemy and Falcon. My database is MariaDB, also running in a docker container. I set SqlAlchemy pool_recycleto 3600
Michael I'm aware ForeignKeyof restricting a column to id values contained in another table so that entries in two different tables can be easily linked, but I don't understand the behavior relationships(). As far as I can tell, the main effect of the relation
Lezan I'm trying to figure out how to insert many (in the order of 100k) records into a database using SQLAlchemy in Python 3. However, I'm a little confused as to how to get the job done. Some countries you get deals from connection.begin(), others say it's w
jackypan1989 I want to create a table from two existing tables in different sessions. E.g: User {uid, fname, lname}
Salary {uid, salary}
=> NewTable {uid, full_name, salary}
First I "add" the user to the NewTable and the salary is null -> ok n = NewTable(uid=
JiminyCricket: I looked at the documentation and can't seem to figure out how to do an OR query in SQLAlchemy. I just want to execute this query. SELECT address FROM addressbook WHERE city='boston' AND (lastname='bulger' OR firstname='whitey')
should be like
Noah: I'm a little confused about inheritance under sqlalchemy to the point that I'm not even sure which inheritance type I should use here (single table, joined table, specific). I have a base class that contains some information that is shared between subcla
Wenzback: I am trying to execute this query in sqlalchemy SELECT id, name FROM user WHERE id IN (123, 456)
I want to bind the list [123, 456]at execution time . Simon: How about it session.query(MyUserClass).filter(MyUserClass.id.in_((123,456))).all()
EDIT :
Duncan WP I'm using SQLAlchemy on a SQLite backend and I want to perform the following updates: UPDATE Measurement SET MeasurementCampaign=? WHERE filename GLOB ?
But I can't find any equivalent GLOB function in the SQLAlchemy documentation. I have a lot of w
Storm Rider I want to translate the following query using SQLAlchemy, but I didn't find anything related to this topic in the documentation. SELECT * FROM table_persons, jsonb_array_elements(data->'persons') WITH ORDINALITY as persons (data, n);
where the dat
Udes I'm struggling to run a select* query in sql alchemy, my table object looks like this, from sqlalchemy import Column, Date, DateTime, Float, Numeric, Index, Integer, MetaData, SmallInteger, String, UnicodeText, Table, Time, text
from sqlalchemy.types
Lezan I'm trying to figure out how to insert many (in the order of 100k) records into a database using SQLAlchemy in Python 3. However, I'm a little confused as to how to get the job done. Some countries you get deals from connection.begin(), others say it's w
Noah: I'm a little confused about inheritance under sqlalchemy to the point that I'm not even sure which inheritance type I should use here (single table, joined table, specific). I have a base class that contains some information that is shared between subcla
mr pilot I have an existing model written in Flask-SQLAlchemy that cannot be changed. I'm writing another app that uses the same model, but doesn't need Flask, so I'm using the regular SQLAlchemy module. Unfortunately I get a lot: 'AttributeError: Module 'DB'
Walter I'm trying to create a User model that uses UUID as primary key: from src.db import db # SQLAlchemy instance
import sqlalchemy_utils
import uuid
class User(db.Model):
__tablename__ = 'user'
id = db.Column(sqlalchemy_utils.UUIDType(binary=Tr
mr pilot I have an existing model written in Flask-SQLAlchemy that cannot be changed. I'm writing another app that uses the same model, but doesn't need Flask, so I'm using the regular SQLAlchemy module. Unfortunately I get a lot: 'AttributeError: Module 'DB'
ilahoreka I'm trying to update a scoreproperty Userof an existing score. However, I don't understand how to bind a math function to sqlalchemy.sql.func. E.g: import math
from sqlalchemy.sql import func
def mul_2(user):
return user.score * 2
def _log(use
Walter I'm trying to create a User model that uses UUID as primary key: from src.db import db # SQLAlchemy instance
import sqlalchemy_utils
import uuid
class User(db.Model):
__tablename__ = 'user'
id = db.Column(sqlalchemy_utils.UUIDType(binary=Tr
mr pilot I have an existing model written in Flask-SQLAlchemy that cannot be changed. I'm writing another app that uses the same model, but doesn't need Flask, so I'm using the regular SQLAlchemy module. Unfortunately, I get a lot: 'AttributeError: Module 'DB'
not me: I don't know if it's possible to do this, but I'm trying to mock db.session.save. I am using flask and flask alchemy. db.py from flask_sqlalchemy import SQLAlchemy
db = SQLAlchemy()
unit test def test_post(self):
with app.app_context():
w
Danila Ganchar : I have models json column. Model and data example: app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'postgres://...'
db = SQLAlchemy()
db.init_app(app)
app.app_context().push()
class Example(db.Model):
id = db.Column(db.Inte