Skip to content
Advertisement

Tag: mysql

Django filter on OneToOne field appending “_id” and failing

In my Django application I have the following model: Note user is a OneToOneField to my CustomUser table and also the primary key of this table. In views.py, I attempt to query this table with Provider.objects.filter(user=request.user) and get django.db.utils.OperationalError: (1054, “Unknown column ‘appname_provider.user_id’ in ‘field list'”). Checking my MySql database, I see the columns are (user, company_id). So why is

Use python to turn mysql into json

I want to use python to turn mysql into json, but when I use the following code, the result is json line by line, not a whole set of json Answer You need to pull out the json.dumps() line from the for loop. This is resulting in conversion of into json with each iteration and printing in each iteration. Your

How to store column value from mysql to python variable?

actually i’m new to learning python and mysql database i have table named TABEL_NILAI in database like this: So i want to Retrieve value NILAI_TRUST from TABEL_NILAI and i want to do some math. here’s code i was made: And giving me error like: so how to retrieve value into python variable in right ways. Please help:( Answer The query

How to show more objects in my html with django (queries)

I want to show more queries within my html page but it only shows a single object. I do not know how to add more This is in mysql, html, django1.11 and python 2.7.15 views.py i need add object mapa and competencias. The object alumno i dont have problem Answer User filter instead of get. Because, get returns a single

MySQL error in Python – cannot connect to MySQL server

I have a question: My input: And this is the output: mysql.connector.errors.NotSupportedError: Authentication plugin ‘caching_sha2_password’ is not supported Answer Install the Python MySQL driver: Official document Similar Stack Overflow question Just make sure to install the correct connector based on your operating system, MySQL version and the Python version you use:

Django TypeError: id() takes exactly one argument (0 given)

So I have been trying to implement a way to upload multiple images to a post. The way I did it is to have tables. One for the actual post, and one of the multiple images uploaded. I was planning to link them with a foreign key but it is not working. My terminal started throwing the error “TypeError: id()

Authentication plugin ‘caching_sha2_password’ is not supported

I am trying to connect to a MySQL server with python connector. I created a new user lcherukuri with the authentication plugin mysql_native_password. But I got the error mysql.connector.errors.NotSupportedError: Authentication plugin ‘caching_sha2_password’ is not supported Can someone help me? Answer Per Caching SHA-2 Pluggable Authentication In MySQL 8.0, caching_sha2_password is the default authentication plugin rather than mysql_native_password. You’re using mysql_native_password,

python MySQL update specific column fetchall()

I’m new to python and I want to update every record that has count 0 in the database. I have tried a lot can’t find anything like help. Answer Assuming your table has this structure: Here is the simple code code- Also, since you mentioned that you are new to python remember to commit, every time, whenever you run INSERT,

Advertisement