mirror of https://github.com/zulip/zulip.git
77 lines
2.6 KiB
Python
77 lines
2.6 KiB
Python
# Generated by Django 3.2.12 on 2022-03-23 04:32
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from django.db import migrations, models
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from django.db.backends.base.schema import BaseDatabaseSchemaEditor
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from django.db.migrations.state import StateApps
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from django.db.models import Exists, Model, OuterRef
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def fix_attachment_caches(apps: StateApps, schema_editor: BaseDatabaseSchemaEditor) -> None:
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Attachment = apps.get_model("zerver", "Attachment")
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ArchivedAttachment = apps.get_model("zerver", "ArchivedAttachment")
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Message = apps.get_model("zerver", "Message")
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ArchivedMessage = apps.get_model("zerver", "ArchivedMessage")
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BATCH_SIZE = 10000
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def update_batch(
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attachment_model: type[Model], message_model: type[Model], lower_bound: int
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) -> None:
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attachment_model._default_manager.filter(
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id__gt=lower_bound, id__lte=lower_bound + BATCH_SIZE
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).update(
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is_web_public=Exists(
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message_model._default_manager.filter(
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attachment=OuterRef("id"),
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recipient__stream__invite_only=False,
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recipient__stream__is_web_public=True,
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),
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),
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is_realm_public=Exists(
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message_model._default_manager.filter(
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attachment=OuterRef("id"),
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recipient__stream__invite_only=False,
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)
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),
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)
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max_id = Attachment.objects.aggregate(models.Max("id"))["id__max"]
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if max_id is not None:
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lower_bound = 0
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while lower_bound < max_id:
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print(f"Processed {lower_bound}/{max_id} attachments.")
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update_batch(Attachment, Message, lower_bound)
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lower_bound += BATCH_SIZE
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max_id = ArchivedAttachment.objects.aggregate(models.Max("id"))["id__max"]
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if max_id is not None:
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lower_bound = 0
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while lower_bound < max_id:
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print(f"Processed {lower_bound}/{max_id} archived attachments.")
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update_batch(ArchivedAttachment, ArchivedMessage, lower_bound)
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lower_bound += BATCH_SIZE
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class Migration(migrations.Migration):
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atomic = False
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dependencies = [
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("zerver", "0385_attachment_flags_cache"),
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]
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operations = [
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migrations.AlterField(
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model_name="archivedattachment",
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name="messages",
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field=models.ManyToManyField(
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related_name="attachment_set",
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related_query_name="attachment",
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to="zerver.ArchivedMessage",
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),
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),
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migrations.RunPython(fix_attachment_caches, reverse_code=migrations.RunPython.noop),
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]
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