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Closes #4865: Replace all Count() annotations with subqueries (#5385)

Browse Source 
* Convert circuits to use subqueries

* Convert dcim to use subqueries

* Convert extras to use subqueries

* Convert ipam to use subqueries

* Convert secrets to use subqueries

* Convert virtualization to use subqueries

* Update global search view to use subqueries where appropriate

* Remove extraneous order_by() calls
This commit is contained in:
Jeremy Stretch
2020-11-25 15:49:18 -05:00
committed by GitHub
parent 77bbe5730b
commit f55e966c8f
13 changed files with 134 additions and 103 deletions
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9
netbox/extras/api/views.py
View File

@@ -1,7 +1,6 @@
from collections import OrderedDict
from django.contrib.contenttypes.models import ContentType
from django.db.models import Count
from django.http import Http404
from django_rq.queues import get_connection
from rest_framework import status
@@ -15,14 +14,14 @@ from rq import Worker
from extras import filters
from extras.choices import JobResultStatusChoices
from extras.models import (
ConfigContext, CustomFieldChoice, ExportTemplate, Graph, ImageAttachment, ObjectChange, JobResult, Tag,
ConfigContext, CustomFieldChoice, ExportTemplate, Graph, ImageAttachment, ObjectChange, JobResult, Tag, TaggedItem,
)
from extras.reports import get_report, get_reports, run_report
from extras.scripts import get_script, get_scripts, run_script
from utilities.api import IsAuthenticatedOrLoginNotRequired, ModelViewSet
from utilities.exceptions import RQWorkerNotRunningException
from utilities.metadata import ContentTypeMetadata
from utilities.utils import copy_safe_request
from utilities.utils import copy_safe_request, get_subquery
from . import serializers
@@ -149,8 +148,8 @@ class ExportTemplateViewSet(ModelViewSet):
class TagViewSet(ModelViewSet):
queryset = Tag.objects.annotate(
tagged_items=Count('extras_taggeditem_items')
).order_by(*Tag._meta.ordering)
tagged_items=get_subquery(TaggedItem, 'tag')
)
serializer_class = serializers.TagSerializer
filterset_class = filters.TagFilterSet

18
netbox/extras/views.py
View File

@@ -1,7 +1,7 @@
from django import template
from django.contrib import messages
from django.contrib.contenttypes.models import ContentType
from django.db.models import Count, Prefetch, Q
from django.db.models import Prefetch, Q
from django.http import Http404, HttpResponseForbidden
from django.shortcuts import get_object_or_404, redirect, render
from django.views.generic import View
@@ -13,7 +13,7 @@ from dcim.models import DeviceRole, Platform, Region, Site
from tenancy.models import Tenant, TenantGroup
from utilities.forms import ConfirmationForm
from utilities.paginator import EnhancedPaginator, get_paginate_count
from utilities.utils import copy_safe_request, shallow_compare_dict
from utilities.utils import copy_safe_request, get_subquery, shallow_compare_dict
from utilities.views import (
BulkDeleteView, BulkEditView, BulkImportView, ObjectView, ObjectDeleteView, ObjectEditView, ObjectListView,
ContentTypePermissionRequiredMixin,
@@ -21,7 +21,7 @@ from utilities.views import (
from virtualization.models import Cluster, ClusterGroup
from . import filters, forms, tables
from .choices import JobResultStatusChoices
from .models import ConfigContext, ImageAttachment, ObjectChange, JobResult, Tag
from .models import ConfigContext, ImageAttachment, ObjectChange, JobResult, Tag, TaggedItem
from .reports import get_report, get_reports, run_report
from .scripts import get_scripts, run_script
@@ -32,8 +32,8 @@ from .scripts import get_scripts, run_script
class TagListView(ObjectListView):
queryset = Tag.objects.annotate(
items=Count('extras_taggeditem_items')
).order_by(*Tag._meta.ordering)
items=get_subquery(TaggedItem, 'tag')
)
filterset = filters.TagFilterSet
filterset_form = forms.TagFilterForm
table = tables.TagTable
@@ -57,16 +57,16 @@ class TagBulkImportView(BulkImportView):
class TagBulkEditView(BulkEditView):
queryset = Tag.objects.annotate(
items=Count('extras_taggeditem_items')
).order_by(*Tag._meta.ordering)
items=get_subquery(TaggedItem, 'tag')
)
table = tables.TagTable
form = forms.TagBulkEditForm
class TagBulkDeleteView(BulkDeleteView):
queryset = Tag.objects.annotate(
items=Count('extras_taggeditem_items')
).order_by(*Tag._meta.ordering)
items=get_subquery(TaggedItem, 'tag')
)
table = tables.TagTable