Django community: RSS
This page, updated regularly, aggregates Django Q&A from the Django community.
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Background process in Django
I am a freshman in Django and I have a problem with understanding of implementation background processes. For example, I have: model.py class Person(models.Model): name = models.CharField(max_length=23) math_grade = models.IntegerField(null=True, blank=True) phys_grade = models.IntegerField(null=True, blank=True) avg_grade = models.IntegerField(null=True, blank=True) class PersonAdmin(admin.ModelAdmin): list_display=('name', 'math_grade ','phys_grade', 'avg_grade') admin.py from django.contrib import admin from .models import * admin.site.register(Person, PersonAdmin) How to implement the next thing: Automatically check (periodically) if math_grade and phys_grade are saved into the DB for this Person, and then automatically f.e. save avg_grade as (a+b)/2 -
Query parameters in url in Django project
I would like to have query parameters in the url of my request that allow to retrieve data according to the plant id + the name of the step (sowing, planting or harvesting. Example : http://localhost:8000/api/plant/life/calendars?plant_id=1&step_title=sowing Let me explain: in my current model plant_life_calendars I have plant_step_id which joins the plant_step table and in this table I have as modele the plant_id which is a foreingkey of the plant table and a step_title for the title of the stage as its name suggests. I hope it's clear enough, it's hard to explain in writing but I put screens below of the different models in order to better understand. So I would like for the plant_life_calendars request to enter in the url the plant_id and step_title which comes from the plant_step table so in the view I did this: class PlantLifeCalendarLinkAPIView(ListAPIView): permission_classes = (AllowAnonymous,) serializer_class = ReadPlantLifeCalendarSerializer def get_queryset(self): try: plant_id = int(self.request.GET.get('plant_id')) except (ValueError, TypeError): plant_id = None plant_step_id = self.request.GET.get('plant_step_id') params = {} if plant_id: params['plant__id'] = plant_id if plant_step_id: params['plant_step_id'] = plant_step_id if params: return PlantLifeCalendar.objects.filter(**params) return PlantLifeCalendar.objects.all() But it doesn't work, it gives me this error message: <pre class="exception_value">Cannot resolve keyword &#x27;plant&#x27; into field. Choices are: end, … -
items not rendering in django-template
I am just trying to render a query but it's not showing in the template for one view and it's showing up in another i am not sure why. the template : <div class="dropdown"> <button onclick="myFunction()" class="dropbtn">{{vessel_id.name}}</button> <div id="myDropdown" class="dropdown-content"> {%for vessel in vessel%} <a href="{% url 'maintenance:home' pk=vessel.id %}">{{vessel.name}}</a> {%endfor%} </div> </div> here in this view the {{vessel.name}} is not working and doesn't render any drop down vessels view.py def update_component(request, pk): vessel_id = Vessel.objects.get(id=pk) # get the id of this specfic component component_id = Component.objects.get(id=pk) # get the vessel of this specfic component component_vessel = component_id.vessel # fetch all components of this specfic vessel component = component_vessel.components.all() vessel = Vessel.objects.all() form = ComponentModelForm(instance=component_id) if request.method == 'POST' and 'form-update' in request.POST: form = ComponentModelForm( request.POST, request.FILES, instance=component_id) if form.is_valid(): form.save() return HttpResponseRedirect(request.path_info) if request.method == 'POST' and 'form-delete' in request.POST: component_id.delete() return redirect('/maintenance') context = { 'components': component, 'form': form, 'component_id': component_id, 'vessel': vessel, "component_vessel":component_vessel, 'vessel_id':vessel_id } return render(request, 'update_component.html', context) while this view is working just fine for the same template view.py: def index(request, pk): vessel_id = Vessel.objects.get(id=pk) vessel = Vessel.objects.all() component = vessel_id.components.all() component_id = Component.objects.get(id=1) form = ComponentModelForm(instance=component_id) if request.method == 'POST': form = ComponentModelForm( … -
Celery task behave strangely while testing
I'm trying to test that my Celery task updates Django model. It works fine, but behaves strangely during testing. # someapp/models.py class SomeModel(models.Model): ... hidden = models.BooleanField(default=False) # someapp/tasks.py @shared_task() def my_task(model_id): model_instance = someapp.models.SomeModel.objects.get(id=model_id) model_instance.hidden = True model_instance.save() logger.info(f'Uncovered model instance with id {model_id]') To test this I've implemented following workflow: I create SomeModel object via factory-boy factory because SomeModel depends on multiple models. I assign this object to variable model_instance I apply the task locally I assert that model_instance.hidden is True The code below # someapp/tests.py @pytest.mark.django_db @pytest.mark.celery(task_always_eager=True) def test_celery_task_uncovers_model_instance() -> None: SomeModelFactory.create(hidden=False) some_model = someapp.models.SomeModel.objects.first() assert some_model.hidden is True my_task.apply((some_model.id, )) assert some_model.hidden is True raises at the last line. Then I assert: assert (model_instance.pk, model_instance.hidden) == (someapp.models.SomeModel.objects.first().pk, someapp.models.SomeModel.objects.first().hidden) It raises: E assert (1, True) == (1, False) E At index 1 diff: True != False Finally, I want to check ids: assert id(model_instance) == id(authapp.models.SomeModel.objects.first()) And it raises something like this: E AssertionError: assert 139938217188656 == 139938219885184 E + where 139938217188656 = id(<SomeModel: - 2022-02-01>) E + and 139938219885184 = id(<SomeModel: - 2022-02-01>) Why does not the task update the some_model object in my test? -
Python Django, How I Can use username(uname) or email as a login credentials?
Python Django, How I Can use username(uname) or email as a login credentials ? my python file are views,URLs,models,settings.py def loginpage(request): if request.method=="POST": try: Userdetails=newacc.objects.get(email=request.POST['email'],pwd=request.POST['pwd']) print("Username=",Userdetails) request.session[ 'email']=Userdetails.email return render(request,'Logout.html') except newacc.DoseNotExist as e: messages.success(request,' Username / Password Invalid.') return render(request,'Login.html') -
How to log to file using Django and Gunicorn? Using TimedRotatingFileHandler misses logs
I have a Django app that logs INFO using a TimedRotatingFileHandler. In a development server that works fine but when running in production using gunicorn, not all log lines make it to the file. I also use a console handler which correctly logs everything, and looks like the file used by TimedRotatingFileHandler only has some of those lines and drops a lot of what appears from the console logger. It also exhibits another strange behavior; my logging dictConfig has a midnight rotation. What I expected was mylog.log being written to until midnight and then rotates the content into a mylog.log. file. This is the behavior when running in development server that came with Django. What happens when running my app with gunicorn is it continuously writes into both mylog.log file and mylog.log.2022-02-01 file. The content inside mylog.log does not appear in the other file as well. It's almost as if log is being distributed between mylog.log and mylog.log.2022-02-01 throughout the day... My config: 'handlers': { 'console': { 'level': 'INFO', 'formatter': 'verbose', 'class': 'logging.StreamHandler', }, 'file': { 'level': 'INFO', 'formatter': 'verbose', 'filename': mylog.log, 'when': 'midnight', 'encoding': 'utf-8', 'backupCount': 7, 'class': 'logging.handlers.TimedRotatingFileHandler', }, }, 'loggers': { '': { 'handlers': ['console', 'file'], 'level': … -
UnicodeDecodeError: ‘utf8’ codec can’t decode byte 0xa5 in position 0: invalid start byte
I am getting this error after django installation phase. Help After installing, I transfer the manage.py file, but it does not improve. -
Django Template Queryset Issue
So Im literally going crazy trying to understand why I can't retrieve an individual value from a dictionary that's being passed to my template. def createCharacterSkills(request): user = request.user if user.is_authenticated and request.method=="GET": characterid = request.session["characterid"] print(characterid) characterrecord = character.objects.filter(pk=characterid) print(characterrecord.values()) return render(request, "characters/createcharacter2.html", {'characterrecord':characterrecord}) Is what I am passing to my template. Below is the relevant code in my template: <b>Name: </b>{{ characterrecord.values }} <br> <b>Player Reference: </b>{{ characterrecord.id }}<br> The characterrecord.values is working correctly and returning the whole dictionary as expected. <QuerySet [{'id': 48, 'player_id': 1, 'character_name': 'Avalon', 'character_race': 'Dwarf', 'character_faction': 'Jhereg', 'character_group': 'Moredhel', 'ambidexterity': 0, 'dagger': 0, 'one_handed_weapon': 0, 'pole_arms': 0, 'projectile_weapons': 0, 'shield': 0, 'two_handed_weapons': 0, 'thrown_weapons': 0, 'wear_light_armour': 0, 'wear_medium_armour': 0, 'wear_heavy_armour': 0, 'wear_extra_heavy_armour': 0, 'body_development': 0, 'literacy': 0, 'surgeon': 0, 'numeracy': 0, 'alchemist': 0, 'crafting': 0, 'evaluate': 0, 'ranger_1': 0, 'ranger_2': 0, 'make_and_read_maps': 0, 'recongnise_forgery': 0, 'poison_lore_1': 0, 'posion_Lore_2': 0, 'potion_lore_1': 0, 'potion_lore_2': 0, 'ritual_contribute': 0, 'ritual_magic': 0, 'invocation': 0, 'corporeal_1': 0, 'corporeal_2': 0, 'mage_1': 0, 'mage_2': 0, 'shamanism_1': 0, 'shamanism_2': 0, 'forage': 0, 'meditation': 0, 'vet_ritual_magic': 0, 'vet_ritual_contribute': 0, 'chameleon': 0, 'fearless': 0, 'natural_armour': 0, 'sense_magic': 0, 'track': 0, 'intuition': 0, 'poison_resistance': 0, 'resist_magic': 0, 'sense_trap': 0, 'iron_will': 0, 'resist_disease': 0, 'discern_truth': 0, … -
Is it possible to add a feature to attach code-blocks to a post form?
I've been trying to find something about this for a while, but I don't know if its my wording but I can't seem to find anything about it. Anyways... I'm working on a project for school, and basically it's a website that does many things, and one of those things is like a mini-stackoverflow thing but just for my school's community. So I have designed a form for the post using crispy forms however I can't seem to find any information on how to add the feature to write in code blocks to a form (just like we do here on Stack Overflow). This is what the form looks like on code: Template: <form method="POST" enctype="multipart/form-data"> {% csrf_token %} <fieldset class="form-group"> <legend class="border-bottom mb-4">Nueva Publicación</legend> {{ form|crispy }} </fieldset> <div> <div class="form-group"> <button class="btn btn-outline-info" type="submit">Crear Publicación</button> </div> </form> Models class Post(models.Model): titulo = models.CharField(max_length=150) contenido = models.TextField() date_posted = models.DateTimeField(default=timezone.now) author = models.ForeignKey(User, on_delete=models.CASCADE) imagen = models.ImageField(default='default.jpg', upload_to='blog_images') def __str__(self): return self.titulo def get_absolute_url(self): return reverse("post-detail", kwargs={"pk": self.pk}) Visually: If you guys need anything else in order to help, please tell me and I will provide ASAP. -
How can I encrypt url in Django Rest Framework?
I found a documentation since it is not working with python updated version so I am having this problem. I want to prevent scrapping from my application. There are some api where I am passing sensitive data and my api endpoing is like localhost:8000/api/products/1 but I want this url to be like localhost:8000/api/products/dheudhuehdeidiwf4yfg4gfy4yf4f4fu4f84j4i this. So which procedure should I follow here? -
Getting TypeError when trying to use Django and Pandas to show data in html
import pandas as pd from django.shortcuts import render # Create your views here. def home(): data = pd.read_csv("\\pandadjangoproject\\nmdata.csv", nrows=11) only_city = data[['name']] context = { "data": data.to_html(index=False), "only_city": only_city.to_html() } return request(render, 'home.html', context) #Here is my HTML Page <html> <head> <title>NM Biggest citys</title> </head> <body> <h1>New Mexicos Largest Citys</h1> {{only_city|safe}} </body> </html> #I get this error: TypeError at / home() takes 0 positional arguments but 1 was given Request Method: GET Request URL: http://localhost:8000/ Django Version: 4.0.1 Exception Type: TypeError Exception Value: home() takes 0 positional arguments but 1 was given -
Python Web Development
Like Javascript has ReactJS framework for Frontend development and NodeJS for Backend Development .But Python has Django Framework for backend Development But Why it doesn't have any Frontend Framework? -
Soft Delete for many to many does not work in Django
We have soft delete implementation where we do softdelete for every record, but this doesn't work for Many to Many relationship. Below is the code for soft delete implementation class SoftDeletionQuerySet(models.QuerySet): def delete(self, **kwargs): defaults = {"deleted_at": time.now()} args = {**defaults, **kwargs} return super().update(**args) class SoftDeletionManager(models.Manager): def get_queryset(self): return SoftDeletionQuerySet(self.model).filter(deleted_at=None) class SoftDeletionModel(models.Model): deleted_at = models.DateTimeField(null=True, blank=True) objects = SoftDeletionManager() class Meta: abstract = True class A(SoftDeletionModel): name = models.CharField(max_length=128, default="") things = models.ManyToManyField("B", through="ThroughModel") class B(SoftDeletionModel): text = models.TextField() class ThroughModel(SoftDeletionModel): a = models.ForeignKey(A) b = models.ForeignKey(B) extra = models.BooleanField() a = A.objects.filter(name="xyz").first() a.things.all() this fetches deleted record which is present in ThroughModel but not in B model. Ideally i want to fetch all records for B model which are not marked deleted in ThroughModel.I tried to override ThroughModel queryset but that doesn't seems to be working -
Retrieve a list of related data from mysql DB and show it in html on page load automatically
I would love to add a feature to my Django app but I am not able to find the correct way to do it. What I am trying to achieve is to obtain a list of related data when the user load a particular page of my database, automatically. By saying automatically, I mean without hitting any further button. Specifically, I have this odorant_detail.html page that shows details on a selected odourant: </script> <h1 style="text-align: center;">You are looking to {{ odorant.Name }}</h1> <fieldset> <legend>General Information</legend> <p>Pubchem ID: <strong>{{ odorant.Pubchem_ID }}</strong></a></p> <p>IUPAC Name: <strong>{{ odorant.IUPAC_Name }}</strong></p> <p>Synonim/s: <strong>{{ odorant.Synonim}}, {{ odorant.Synonim_2 }}</strong></p> <p>Molecular Formula: <strong>{{ odorant.Molecular_Formula }}</strong></p> <p>SMILES: <textarea readonly style="border:solid 2px black; background-color: #eeeeee; font-family: 'Courier New', Courier, monospace;" id="smiles" name="smiles" ro> </fieldset> <input role="button" class="btn btn-info px-3 button" type="button" id="copyID" value="Copy SMILES to clipboard" /> <script type="text/javascript"> var button = document.getElementById("copyID"), input = document.getElementById("smiles"); button.addEventListener("click", function(event) { event.preventDefault(); input.select(); document.execCommand("copy"); }); </script> <fieldset> <legend>Known Interactions</legend> </fieldset> That takes information from this model.py from django.db import models from django.urls import reverse # Create your models here. class Odorant(models.Model): Pubchem_ID = models.IntegerField(primary_key = True) Name = models.CharField(max_length =50) IUPAC_Name = models.CharField('IUPAC Name', max_length = 250) Synonim = models.CharField(max_length = 50) Synonim_2 … -
django model and manager inheritance
I have flag models what originates from Flag object and helps me to categorise types. class Flag(models.Model): title = models.CharField(max_length=20) content = models.CharField(max_length=200) user = models.ForeignKey(User, on_delete=models.CASCADE) createTime = models.DateTimeField(default=now, editable=0) class ArticleFlag(Flag): article = models.ForeignKey('articles.Article', on_delete=models.CASCADE) class CommentFlag(Flag): comment = models.ForeignKey('comments.Comment', on_delete=models.CASCADE) class QuestionFlag(Flag): question = models.ForeignKey('questions.Question', on_delete=models.CASCADE) class AnswerFlag(Flag): answer = models.ForeignKey('questions.Answer', on_delete=models.CASCADE) Then I tries to define a method on any of the child classes: class ArticleFlag(Flag): article = models.ForeignKey('articles.Article', on_delete=models.CASCADE) def test(self): return self.article.title then I tested its database storage by: from flags.models import * flags = Flag.objects.all() articleflags = ArticleFlag.objects.all() for flag in articleflags: print(flag.pk) # 1, 3 for flag in flags: print(flag.pk) # 1, 2, 3, 4, 5, 6, 7 and realised child class objects are always a subset to parent class objects, then I test its method by from flags.models import * flags = Flag.objects.all() articleflags = ArticleFlag.objects.all() for flag in flags: try: print(flag.test()) except: pass however I got nothing, even through there are instances of article flags stored in the db, it seems that the method is always undefined; then I tried this: from flags.models import * flags = Flag.objects.all() articleflags = ArticleFlag.objects.all() for flag in articleflags: try: print(flag.test()) except: pass this … -
How can I display all the users on my html page?
This piece of code gets me the required output in my python terminal views.py from django.contrib.auth.models import User userList =User.objects.all() print(userList) outputs this in the terminal <QuerySet [<User: brad>, <User: john>]> I know I have to iterate through the QuerySet but I am not able to link this view to my main page. So how can I get this on my main HTML page? -
Access table changes only by the creator - Django
I'm using a Django structure with a postgres database. In my system, one person owns a collection and has several employees. There is a set of settings in the owner panel, which is applied only by the person using the API. But I, the owner of this project, with the access I have to the database, I can change any settings that this person has made. How can I make it possible for only that person to make changes? Even I, who have access to the database, can not add or subtract these changes. -
Between Flask and Django which has better security features for Rest Api?
Between Flask and Django which has better security features for Rest Api -
Form Wont move down using Css
I have tried implementing some CSS to move my form up or down the page and I still cant get it to move and I don't seem to know why and I've tried using padding and margins and I still cant seem to get it to work and the css does appear on the page but nothing on it will move and they all just stay attached to the nav bar at the top of the screen. Attached is the html for the page and the CSS. Css .main2{ top:40px; margin-left:70px; width: 90%; height:75%; background-color: #36454F; position:fixed; padding-top: 100%; padding-bottom: 1%; } .contact-form { float:right; background-color:white; margin-right:10px; width: 30%; margin-top:28px; } Here is the html code <!DOCTYPE html> {% extends 'parasites_app/base.html' %} {% load static %} {% block content_block %} <link rel="stylesheet" type="text/css" href="{% static 'css/Contact.css' %}" xmlns="http://www.w3.org/1999/html"/> <div class="main" > <div class="main2"> <form id="user_form" class="contact-form" method="POST" action='/Contact/' enctype="multipart/form-data"> <div class="contact-container"> <h2>Contact Us</h2> {% csrf_token %} Email<input type="text" name="Email" value="" size="30" /> <br /> Question<input type="text" name="Quesstion" value="" size="50" /> <br /> <!-- Submit button--> <div> <button type="submit" class="submit-button">Send Request</button> </div> </div> </form> </div> </div> {% endblock %} -
Securing Webhooks in DJango
Wondering what library, video, or documentation I can be pointed towards. My goal is to secure the incoming webhook request through a username/password or secret etc. -
django.db.utils.IntegrityError: NOT NULL constraint failed: main_companyclass.FinancialYearEnd
I am running into the above-mentioned error when trying to run my app after creating a form that only updates 1 field. What I am trying to achieve is as follows: The user enters a client into the app and that saves it to the database, once that is done the client should be displayed on the checklist page where it will display some details about the client and show a checkbox (isdone_IT14) to say whether the clients' order has been completed. The problem is that it doesn't seem that when the user ticks the checkbox and saves it, it doesn't seem like its updating that entry in the model. I had created the below form to assist with that: class CompanyIT14Form(ModelForm): class Meta: model = CompanyClass fields= ['isdone_IT14'] But it is clearly not the correct solution. Does anyone know a better way to solve this error ? Please see the below code: Models.py: class CompanyClass(models.Model): #Company Only Fields CompanyName = models.CharField(max_length=50 , blank=False) RefNo = models.CharField(max_length=50 , blank=False ) FinancialYearEnd = models.DateField(auto_now=False, auto_now_add=False, null=False) #Contact Details ContactPerson = models.CharField( max_length=50, blank=False) EmailAddress = models.CharField(max_length=50, blank=False) #Services IT14 = models.BooleanField(default=True) # CheckList isdone_IT14 = models.BooleanField(default=False) def __str__(self): return ( self.CompanyName) … -
Communication between Django and React Native
This will be a very naive question. I am working on a website that I'm generating using Django. For now, the whole interaction with the sqlite database will be via the browser, so everything is fine. In the future, I would potentially like to generate mobile apps that basically do the same thing as the web interface does now. It would be nice to use React Native due to its cross-plattform compatibility. Will I be able to generate a React Native app that can communicate with a Django API in a save way, also with POST methods? I am far from being able to do that, just finding my way with Django, however I don't want to spend a lot of time on this Django web app now and later find out that what I did is not compatible at all with React Native. I'm sure this is an easy question for many of you. Best, Gero -
How to override the create method for a nested serializer for an APIView post request method?
I am trying to override the create() method for the following Serializer: serializers.py class TaggingSerializer(serializers.ModelSerializer): tag = TagSerializer() resource = ResourceSerializer() gameround = GameroundSerializer() user = CustomUserSerializer(required=False) class Meta: model = Tagging fields = ('id', 'user', 'gameround', 'resource', 'tag', 'created', 'score', 'origin') def create(self, validated_data): """Create and return a new tagging""" tags_data = validated_data.pop('tags') resources_data = validated_data.pop('resources') gamerounds_data = validated_data.pop('gamerounds') users_data = validated_data.pop('users') tagging = Tagging.objects.create(**validated_data) for tag_data in tags_data: Tag.objects.create(tagging=tagging, **tag_data) for resource_data in resources_data: Resource.objects.create(tagging=tagging, **resource_data) for gameround_data in gamerounds_data: Gameround.objects.create(tagging=tagging, **gameround_data) for user_data in users_data: User.objects.create(tagging=tagging, **user_data) return tagging def to_representation(self, data): data = super().to_representation(data) return data This is the JSON object I am trying to send: { "user": creator, "gameround": 1, "resource": 602, "tag": "Redtagtestpost", "created": "2022-12-12T15:19:49.031000Z", "score": 0, "origin": "" } However I keep getting various types of "JSON parse..." errors in Postman. I have tried using different fields for the other models and nothing seems to work. -
Django: add user on admin page using custom user model
I defined a custom user model in my Django project, which defines the 'email' as the unique identifier. I created a custom user creation form following the Django documentation and registered it in my admin.py. When I start the webserver, no errors are shown in the console. My problem is, that the add_form on the admin page does not show the 'email' field, but only 'username', 'password1' and 'password2' I read several how to's and tutorials and checked the Django documentation to resolve this issue and am affraid I am missing something. model.py # Custom User Account Model from django.db import models from django.utils import timezone from django.utils.translation import gettext_lazy as _ from django.contrib.auth.models import AbstractBaseUser, PermissionsMixin, BaseUserManager class CustomAccountManager(BaseUserManager): """ Custom user model manager where email is the unique identifiers for authentication instead of usernames. """ def create_user(self, email, username, first_name, last_name, password=None, **other_fields): if not last_name: raise ValueError(_('Users must have a last name')) elif not first_name: raise ValueError(_('Users must have a first name')) elif not username: raise ValueError(_('Users must have a username')) elif not email: raise ValueError(_('Users must provide an email address')) user = self.model( email=self.normalize_email(email), username=username, first_name=first_name, last_name=last_name, **other_fields ) user.set_password(password) user.save(using=self._db) return user def create_superuser(self, email, … -
Is it possible to use CheckConstraint on model instance in the django shell?
I have a model and want to apply a constraint on it to ensure only sensible values get to be stored in the model. The model along with the constraint I am using looks somewhat like this (simplified) from django.db import models class Task(models.Model): ACTION_CHOICES = ( ('UnderWay', 'UnderWay'), ('Processed', 'Processed'), ('Entrusted', 'Entrusted') ) action = models.CharField(max_length=20, default='UnderWay', choices=ACTION_CHOICES) entrusted_to = models.CharField(max_length=20, help_text='Name of the department/person entrusted to') # some other fields class Meta: constraints = [ models.CheckConstraint( check=( (models.Q(action='Entrusted') & (models.Q(entrusted_to__isnull=False) | ~models.Q(entrusted_to=''))) | ((models.Q(action='UnderWay') | models.Q(action='Processed')) & (models.Q(entrusted_to__isnull=True) | models.Q(entrusted_to=''))) ), #more complex conditions in actual name='constraint_on_et' ) ] def __str__(self): return f'{self.id} - {self.action}' Makemigrations and migrate ran successfully. But, when I try to create new instances through the shell, the constraint fails in cases that weren't meant to be. I looked at the coded constraint again and it looks fine to me. So, I tried to break the constraint(constraint_on_et) into simpler conditions to see which one actually fails. As the table is already populated, I am not able to check some specific parts of the constraint(they are always meant to fail on current data). Out of curiosity, I thought if I could apply a CheckConstraint, directly …
