Django 3.1 release candidate 1 released

2020-07-19 Thread Mariusz Felisiak
Details are available on the Django project weblog: https://www.djangoproject.com/weblog/2020/jul/20/django-31-release-candidate-1-released/ -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving email

Re: multiplate table inheritance subclass with extra OneToOneField relationship to parent class

2020-07-19 Thread Brian Maissy
I'm still using the workaround I mentioned above -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To view this discussi

Re: Intensive access and modification of database table

2020-07-19 Thread Derek
Its likely that Big Sites keep their detailed IP private; its unlikely that you are working on such a site. Aldian is correct that there are many strategies, or combination of strategies you could use, and the exact one really does depend on the team's skills and choices of technologies. One i

Re: My first question

2020-07-19 Thread Derek
This would make a great blog post! And in future, we can all refer directly to it, when someone asks a similar question. On Saturday, 18 July 2020 16:13:53 UTC+2, Liu Zheng wrote: > > Hi. Doesn't sound like a Django question, but I assume you came across > this question when writing Django code

Re: Login and Registration

2020-07-19 Thread Liu Zheng
https://www.youtube.com/playlist?list=PL-osiE80TeTtoQCKZ03TU5fNfx2UY6U4p This video series will be helpful On Mon, Jul 20, 2020 at 5:33 AM Anirudh choudhary < anirudhchoudary...@gmail.com> wrote: > You can simply do it by manipulating the context data like > > context = { > 'form_login':loginfor

Using primary key to update via POST request.

2020-07-19 Thread Arpana Mehta
Hi, I have a class with a GET and a POST request. I am sending the data ( with pk of the object ) in my GET request and I want the frontend to use that pk to refer to the exact instance of the model whenever doing any operation. In my POST request I am only sending the `choice field` value. How do

Re: Part 1 migrate

2020-07-19 Thread Mike Dewhirst
On 20/07/2020 4:51 am, Ralph Barhydt wrote: > I have tried this many times and made it to part 4 only to get > stymied, so I start over.  The last few tries, when ever, in part 1, I > do the first "python manage.py migrate" command everything goes > haywire.  All my directories are underlined in re

Django package auto-installation

2020-07-19 Thread Dave R
My new package: https://github.com/pandichef/indjections The basic idea: Installing third party Django packages should be one-line of code. I'm looking for feedback and/or contributors. Thanks! -- You received this message because you are subscribed to the Google Groups "Django users" group

Re: multiplate table inheritance subclass with extra OneToOneField relationship to parent class

2020-07-19 Thread shubham vashisht
Did you find any solution? On Friday, October 18, 2019 at 2:12:21 AM UTC+5:30, Brian Maissy wrote: > > I have a model which essentially boils down to this: > > class Person(models.Model): > name = models.TextField() > > > class MarriedMan(Person): > wife = models.OneToOneField(Person, on_d

Re: Login and Registration

2020-07-19 Thread Anirudh choudhary
You can simply do it by manipulating the context data like context = { 'form_login':loginform, 'form_signup' :signupform } Thanks On Sun, 19 Jul, 2020, 11:10 PM Exactly musty, wrote: > Read the doc or follow MDN tutorial > > -- > You received this message because you are subscribed to the

Re: Heroku database migration

2020-07-19 Thread Ayser shuhaib
I've experienced this problem many times and the solution is to simply change the name of the model then do the migration and after that you can change the model name to the original name and run the migration again, I think it's a bug in django. On Sun, Jul 19, 2020 at 8:47 PM Heet Gupta wrote:

Part 1 migrate

2020-07-19 Thread Ralph Barhydt
I have tried this many times and made it to part 4 only to get stymied, so I start over. The last few tries, when ever, in part 1, I do the first "python manage.py migrate" command everything goes haywire. All my directories are underlined in red, Then when I set up the models (db) and run "

Re: Heroku database migration

2020-07-19 Thread Heet Gupta
Firstly push your code containing the migrations folder to heroku ("git push heroku master"), then follow the below steps - In your terminal run the command "heroku run bash". It will open the heroku terminal for you. Now In the heroku terminal run "python manage.py migrate" On Sunday, July 19,

Login and Registration

2020-07-19 Thread Exactly musty
Read the doc or follow MDN tutorial -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To view this discussion on the we

Re: Heroku database migration

2020-07-19 Thread Joakim Hove
bash% heroku run python. /manage.py migrate søn. 19. jul. 2020, 18:48 skrev Aman Mandloi : > Added a small model 'new_model' in existing app 'existing_app' on Django, > Entered commands manage.py makemigrations and manage.py migrate it > migrated changes to local database. > Tried to apply same o

Login and Registration

2020-07-19 Thread Victor Cooper
Can anyone help I need to define login,regitration form from my html template all are in the same page how do i define in my view.py -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from

Re: Invalid SQL : - Re: Query Optimization (Huge Data in the Database)

2020-07-19 Thread Roger Gammans
Hi I do appreciate what I was asking about wasn't your problem, I was looking at learning for myself etc. For those that are following this, it seems that Postgres (as does MySQL) loosens the SQL requirements. In Postgres ( https://www.postgresql.org/docs/11/sql-select.html#SQL-GROUPBY ) the ru

Re: Query Optimization (Huge Data in the Database)

2020-07-19 Thread karthik challa
Thank you Damanjeet On Sunday, July 19, 2020 at 3:32:02 AM UTC-4, Damanjeet Singh wrote: > > Hello , > > Prefetch_related can be helpful, see doc > > > > https://docs.djangoproject.com/en/3.0/ref/models/querysets/#prefetch-related > > Regards, > Damanjeet > > > > On Sun, 19 Jul 2020, 04:39 karthi

Re: Invalid SQL : - Re: Query Optimization (Huge Data in the Database)

2020-07-19 Thread karthik challa
Hi Roger, I have fetched this query from the Django Debug tool bar. I am using POSTGRES database and Django 2.2.3 version. I am able to fetch the records which i require but the issue is with the performance the django query set or the query which i am making. Thanks & Regards, karthik On Su

Re: Intensive access and modification of database table

2020-07-19 Thread Tran Trong Tri
Thanks for the tip, Aldian. On Sun, Jul 19, 2020 at 7:01 AM Aldian Fazrihady wrote: > Hi, > There are more than one transactional data architectures to achieve the > goals, so only Amazon, eBay, or any other big commerce employees can answer > your question. > However, if you are using transacti

Re: Intensive access and modification of database table

2020-07-19 Thread Aldian Fazrihady
Hi, There are more than one transactional data architectures to achieve the goals, so only Amazon, eBay, or any other big commerce employees can answer your question. However, if you are using transactional SQL as Django is using it by default, you probably need to learn about horizontal partitioni

Intensive access and modification of database table

2020-07-19 Thread tristant
Hi, I am wondering if anyone could point me to any documents or readings on how to big eCommerce sites such as Amazon or eBay implements the following situation: - A seller posts a product with an initial quantity, 'init_qty'. - An unknown number of clients access the product concurrently, add i

Invalid SQL : - Re: Query Optimization (Huge Data in the Database)

2020-07-19 Thread Roger Gammans
Hi Just a side issue I spotted here, but I'm probably missing something, so I'm seeking to understand. Is this the SQL the django query builder made? If so which database backend and django version are you using? On Sun, 2020-07-19 at 08:30 +0100, Damanjeet Singh wrote: > 2>SQL Query > > SELE

Re: Query Optimization (Huge Data in the Database)

2020-07-19 Thread Damanjeet Singh
Hello , Prefetch_related can be helpful, see doc https://docs.djangoproject.com/en/3.0/ref/models/querysets/#prefetch-related Regards, Damanjeet On Sun, 19 Jul 2020, 04:39 karthik challa, wrote: > Hi Experts, > > I am trying to execute the below query and the query is taking more than 5 >