django-postgres | First-class Postgres feature support for the Django ORM | Object-Relational Mapping library
kandi X-RAY | django-postgres Summary
kandi X-RAY | django-postgres Summary
Adds first-class support for [PostgreSQL][] features to the Django ORM. [postgresql]: [pg-arrays]: [pg-enums]: [pg-constraints]: [pg-triggers]: [pg-domains]: [pg-ctypes]: [pg-views]: Obviously this is quite a large project, but I think it would provide a huge amount of value to Django developers.
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Top functions reviewed by kandi - BETA
- Create views from models module
- Creates a view
- Wrapper for iteritems
- Initialize deferred projections
- Get fields by name
- Check if a model has a field
- Prepare value based on lookup type
- Convert the value into a bit string
- Prepare the value
- Register bitstring types on a PostgreSQL instance
- Register bitstring types
- Resolve the attribute
- Import module by name
- Add docstring to func
- Resolve the module
django-postgres Key Features
django-postgres Examples and Code Snippets
Community Discussions
Trending Discussions on django-postgres
QUESTION
I am trying to create a persistent volume storage for a postgres docker container. Because I will have some other services within this docker environment, I am using docker-compose to start the container.
The contents of my docker-compose.yml file are:
ANSWER
Answered 2022-Feb-07 at 20:25What you're doing is called a 'bind mount' where a directory on the host is mapped to a directory in the container.
The syntax is slightly different if you want to create a volume. Do this instead
QUESTION
I want to setup a Postgres "stored generated columns" with indexing to have full text search on two fields of a model. I created the generated column getting help from this tutorial, but when setting gin index on the column, I get this:
...ANSWER
Answered 2022-Jan-10 at 15:41As Iain said in comments, index must be handled in migrations. I just added another migrations to operations array:
QUESTION
I have a pdf file that I want to save in my Postgres DB
When I tried to save the file it brings A string literal cannot contain NUL (0x00) characters. so I followed the solution from here which replaces the null with a � character
unicode(ppbData[0], errors='ignore').replace("\x00", "\uFFFD")
The problem is that I can't convert it back to PDF now. I tried encode() and other methods
ANSWER
Answered 2021-Jun-18 at 15:14The Django model class has a FileField which stores the filename in the database. https://docs.djangoproject.com/en/3.2/topics/files/#using-files-in-models
The actual file contents are stored via settings.DEFAULT_FILE_STORAGE, which is normally on the filesystem. https://docs.djangoproject.com/en/3.2/topics/files/#file-storage
However, cloud storage can also be used:
- https://django-storages.readthedocs.io/en/latest/backends/amazon-S3.html
- https://simpleisbetterthancomplex.com/tutorial/2017/08/01/how-to-setup-amazon-s3-in-a-django-project.html
If you really want to store the file in the database, you can either base64 encode it (as Ross Rogers mentioned) or you can use a BinaryField.
QUESTION
Create a database connection pool in Django. The connection pool is connected to a PostgreSQL database by using SQLAlchemy's connection pooling with django-postgrespool2.
Thrown exception'psycopg2.extensions.connection' object is not callable is thrown when running the following line of code poolConnection = dbPool.connect(). Printing the dbPool object and type displays
Database helper class which creates the connection to the PostgreSQL database and creates the connection pool:
...ANSWER
Answered 2021-Mar-09 at 07:29According to the QueuePool docs the first argument should be 'a callable function that returns a DB-API connection object'.
You've passed the result of the called function to the QueuePool object as the first argument instead of the function itself. Remove the parenthesis to solve the issue:
QUESTION
I have an app that uses Django and Vue.js. Currently the API is served on api.mydomain.com that sends traffic to an Application Load Balancer which routes to Fargate services and the Vue.js static site is served on mydomain.com which sends traffic to a CloudFront distribution in front of an S3 bucket where the site's static assets are stored.
I would like to serve the API on mydomain.com/api/*, without using a subdomain, and continue to serve the static site on mydomain.com.
The ALB is working just fine, I can go to the ALB's auto-generated AWS URL and get the correct response from my Fargate service.
Here is the CDK code for my CloudFront distribution:
...ANSWER
Answered 2020-May-01 at 03:50You need to forward all cookies, headers, and query strings in any behavior pointing at your ALB origin. You probably want to allow all methods as well if you intend on sending data to this backend.
Here's an example in TypeScript that I'm currently working on for a project (it looks slightly different than yours but should be simple to adapt)
QUESTION
Context: So I am creating a web app for a nonprofit organization. This project started at school and I wanted to use some "new" technologies.
I choosed to create several services and to manage them through docker-compose. I mainly have these services:
- Backend api with django-rest-framework
- Frontend with vuejs
- reverse-proxy with nginx
Everything is working fine and I'm close to the end of the project. So I wanted to test my architecture on a test environement. The problem is that I'm a big noob concerning deployement and I may took the wrong option.
Here was my thinking: the nonprofit organization doesn't have a lot of money so I tried to test one of the cheapest solution: renting a virtual machine, cloning my project and run on the machine docker-compose.
The problem I am having is that all my requests (except some GET for the css) aren't working in this environement. I have this problem:
- When I reach my home page and I try to fetch some images from my nginx, I immediately have this message in the console: CORS request blocked: CORS request did not succeed.
- After if I want to login, instead of having my POST request, the network tab in firefox shows me that there's only an OPTION that is send but there isn't any answer.
I guess there is a problem with CORS or something like this but as everything is running inside docker, I failed to find the error and a fix. And I don't really understand what is going wrong here. Is it really a CORS problem? Is it linked to docker-compose or the environement as it work perfectly on my pc?
Can anyone help me please?
Here is my docker-compose file:
...ANSWER
Answered 2020-Jan-22 at 10:48Is it linked to docker-compose or the environement as it work perfectly on my pc?
I would guess, the hostname/IP you are using on your frontend is wrong. Sounds like you are using localhost also known as IPv4 127.0.0.1 or IPv6 ::1 to send the requests to the test deployment backend.
Should I be right with my guess: I would recommend using environment variables additionally to your start script or in a separate config to specify the environment. Otherwise you could just change the hostname/IP in your code for every request. Anyhow you have to use the hostname/IP to your test environment.
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Install django-postgres
You can use django-postgres like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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