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Code Issues Projects Releases Wiki Activity

SQL query optimisation

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This commit is contained in:
FreneticScribbler
2021-12-22 10:43:36 +00:00
parent 0d9bf89180
commit 8696bf5d94
2 changed files with 9 additions and 1 deletions
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1
training/templates/trainee_list.html
View File

@@ -42,4 +42,5 @@
</div> </div>
</div> </div>
</div> </div>
{% paginator %}
{% endblock %} {% endblock %}

9
training/views.py
View File

@@ -26,6 +26,9 @@ class TraineeDetail(views.ProfileDetail):
template_name = "trainee_detail.html" template_name = "trainee_detail.html"
model = models.Trainee model = models.Trainee
def get_queryset(self):
return self.model.objects.prefetch_related('qualifications_obtained')
def get_context_data(self, **kwargs): def get_context_data(self, **kwargs):
context = super(TraineeDetail, self).get_context_data(**kwargs) context = super(TraineeDetail, self).get_context_data(**kwargs)
if self.request.user.pk == self.object.pk: if self.request.user.pk == self.object.pk:
@@ -69,7 +72,6 @@ class LevelDetail(generic.DetailView):
class LevelList(generic.ListView): class LevelList(generic.ListView):
model = models.TrainingLevel model = models.TrainingLevel
template_name = "level_list.html" template_name = "level_list.html"
ordering = ['qualifications_obtained']
def get_context_data(self, **kwargs): def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs) context = super().get_context_data(**kwargs)
@@ -81,6 +83,11 @@ class LevelList(generic.ListView):
class TraineeList(generic.ListView): class TraineeList(generic.ListView):
model = models.Trainee model = models.Trainee
template_name = 'trainee_list.html' template_name = 'trainee_list.html'
paginate_by = 25
ordering = ['qualifications_obtained']
def get_queryset(self):
return self.model.objects.prefetch_related('levels', 'qualifications_obtained')
def get_context_data(self, **kwargs): def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs) context = super().get_context_data(**kwargs)