How to Retrieve the Last Object of a Database Table in Django 


               


How to Retrieve the Last Object of a Database Table in Django



Python


In this article, we show how to retrieve the last object of a database table in Django.

So, if we have a table that has 4 rows of data, we show in this article how to obtain the last row (object).

So let's that we have a database table, Car. This database table was created by the following code, shown below.



So we create a database table called Car.

How do we retrieve the last Car object from the database table within the views.py file, so that we can render it within a template file?

So let's now go to the views.py file and see how this can be done.


views.py File

The following code retrieves the last object from the Car database table and stores it in the last_car_object variable.



So we have to first import render, so that we can render the template, home.html, in the Blog directory.

Then you have to import the database table you are working with from the models.py file. Since our database table name is Car, we have the line, from .models import Car

Then we have the view-based function that is called showthis.

The line, last_car_object= Car.objects.last() gets the last object from the Car database.

So, if we have 3 cars in our database, Car 1, Car 2, and Car 3, Car 3 will be stored in the last_car_object variable.

We then pass this variable into the context dictionary so that it can then be rendered out in the home.html template page.

And this is all that is required to get the last object (or last row of data) from a database table in Django and render out the result, if needed.

We won't go into the home.html template page, because more than likely you already know how to render out a variable from the views.py file into the template file. If you don't, all you have to do is put the variable name in between double curly braces ( {{ variable_name }}). In this case, the statement would be, {{ last_car }} to render out the last car object from our Car database.

And this is all that is needed to retrieve the last object of a database table in Django.


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