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migrate annotation sequence in item not annotation

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rolux 2015-10-12 15:24:03 +01:00
parent 36ebdf0a1c
commit 4ed2d940cf
2 changed files with 20 additions and 16 deletions
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16
pandora/annotation/migrations/0003_fill_in_null_public_id.py
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@ -8,21 +8,7 @@ import ox
class Migration(DataMigration):
def forwards(self, orm):
AnnotationSequence = orm['item.AnnotationSequence']
for annotation in orm.Annotation.objects.filter(public_id=None).order_by('item'):
item = annotation.item
s, created = AnnotationSequence.objects.get_or_create(item=item)
if created:
nextid = s.value
else:
cursor = connection.cursor()
sql = "UPDATE %s SET value = value + 1 WHERE item_id = %s RETURNING value" % (AnnotationSequence._meta.db_table, item.id)
cursor.execute(sql)
nextid = cursor.fetchone()[0]
annotation.public_id = "%s/%s" % (item.public_id, ox.toAZ(nextid))
annotation.save()
pass
def backwards(self, orm):
pass

20
pandora/item/migrations/0006_add_annotation_sequence.py
View file

@ -2,7 +2,8 @@
from south.utils import datetime_utils as datetime
from south.db import db
from south.v2 import SchemaMigration
from django.db import models
from django.db import connection
import ox
class Migration(SchemaMigration):
@ -20,6 +21,23 @@ class Migration(SchemaMigration):
for i in item.models.Item.objects.all():
item.models.AnnotationSequence.reset(i)
for a in item.models.Annotation.objects.filter(public_id=None): a.save()
Annotation = orm['annotation.Annotation']
AnnotationSequence = item.models.AnnotationSequence
for annotation in Annotation.objects.filter(public_id=None).order_by('item'):
item = annotation.item
s, created = AnnotationSequence.objects.get_or_create(item=item)
if created:
nextid = s.value
else:
cursor = connection.cursor()
sql = "UPDATE %s SET value = value + 1 WHERE item_id = %s RETURNING value" % (
AnnotationSequence._meta.db_table, item.id)
cursor.execute(sql)
nextid = cursor.fetchone()[0]
annotation.public_id = "%s/%s" % (item.public_id, ox.toAZ(nextid))
annotation.save()
def backwards(self, orm):
# Deleting model 'AnnotationSequence'