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Change to select and order more accurately

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Select by revision and order by revision date
This commit is contained in:
Tom Price
2015-05-26 00:01:23 +01:00
parent 16ccf9c116
commit 229138723b
1 changed files with 3 additions and 2 deletions
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5
RIGS/versioning.py
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@@ -8,6 +8,7 @@ from django.conf import settings
from django.http import HttpResponse from django.http import HttpResponse
from django.db.models import Q from django.db.models import Q
from django.contrib import messages from django.contrib import messages
from django.core.exceptions import ObjectDoesNotExist
# Versioning # Versioning
import reversion import reversion
@@ -112,8 +113,8 @@ def get_previous_version(version):
versions = reversion.get_for_object_reference(version.content_type.model_class(), thisId) versions = reversion.get_for_object_reference(version.content_type.model_class(), thisId)
try: try:
previousVersions = versions.filter(pk__lt=thisVersionId).latest(field_name='pk') # this is very slow :( previousVersions = versions.filter(revision_id__lt=version.revision_id).latest(field_name='revision__date_created')
except: except ObjectDoesNotExist:
return False return False
return previousVersions return previousVersions