paradizelost/paperless-ngx
1
0
Fork 0
mirror of https://github.com/paperless-ngx/paperless-ngx.git synced 2025-05-15 12:29:29 -05:00
Code Issues Packages Projects Releases Wiki Activity

Safer batched migration

Browse Source
This commit is contained in:
shamoon 2025-05-07 11:29:28 -07:00
parent e47c08bde3
commit 8d7e179a6d
1 changed files with 17 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
src/documents/migrations/1066_alter_document_created.py
View File

@ -2,9 +2,7 @@
import datetime import datetime
import os
import pytz
from django.db import migrations from django.db import migrations
from django.db import models from django.db import models
from django.db.models.functions import TruncDate from django.db.models.functions import TruncDate
@ -12,12 +10,23 @@ from django.db.models.functions import TruncDate
def migrate_date(apps, schema_editor): def migrate_date(apps, schema_editor):
Document = apps.get_model("documents", "Document") Document = apps.get_model("documents", "Document")
Document.objects.update( queryset = Document.objects.annotate(
created_date=TruncDate( truncated_created=TruncDate("created"),
"created", ).values("id", "truncated_created")
tzinfo=pytz.timezone(os.getenv("PAPERLESS_TIME_ZONE", "UTC")),
), # Batch to avoid loading all objects into memory at once,
# which would be problematic for large datasets.
batch_size = 500
updates = []
for item in queryset.iterator(chunk_size=batch_size):
updates.append(
Document(id=item["id"], created_date=item["truncated_created"]),
) )
if len(updates) >= batch_size:
Document.objects.bulk_update(updates, ["created_date"])
updates.clear()
if updates:
Document.objects.bulk_update(updates, ["created_date"])
class Migration(migrations.Migration): class Migration(migrations.Migration):