zulip/zerver/migrations/0516_fix_confirmation_prere...

71 lines
2.9 KiB
Python

# Generated by Django 5.0.5 on 2024-04-29 19:24
from django.db import migrations
TOO_MANY_CONFIRMATIONS = """
DELETE FROM confirmation_confirmation
WHERE id IN (WITH too_many_confirmations
AS (SELECT object_id,
MIN(confirmation_confirmation.id) AS exclude_id,
COUNT(*)
FROM confirmation_confirmation
JOIN zerver_preregistrationuser
ON content_type_id = (SELECT id
FROM django_content_type
WHERE app_label = 'zerver'
AND model = 'preregistrationuser')
AND object_id = zerver_preregistrationuser.id
WHERE referred_by_id IS NOT NULL
GROUP BY object_id
HAVING COUNT(*) > 1)
SELECT id
FROM confirmation_confirmation
JOIN too_many_confirmations
ON too_many_confirmations.object_id = confirmation_confirmation.object_id
AND content_type_id = (SELECT id
FROM django_content_type
WHERE app_label = 'zerver'
AND model = 'preregistrationuser')
AND id != exclude_id
)
"""
NO_CONFIRMATIONS_TEMP_TABLE = """
CREATE TEMPORARY TABLE zerver_0516_no_confirmations AS (
SELECT id FROM zerver_preregistrationuser
WHERE NOT EXISTS(SELECT 1
FROM confirmation_confirmation
WHERE content_type_id = (SELECT id
FROM django_content_type
WHERE app_label = 'zerver'
AND model = 'preregistrationuser')
AND object_id = zerver_preregistrationuser.id)
AND referred_by_id IS NOT NULL
)
"""
class Migration(migrations.Migration):
atomic = False
dependencies = [
(
"zerver",
"0515_rename_named_group_can_mention_group_namedusergroup_can_mention_group_and_more",
),
]
operations = [
migrations.RunSQL(TOO_MANY_CONFIRMATIONS, elidable=True),
migrations.RunSQL(NO_CONFIRMATIONS_TEMP_TABLE, elidable=True),
migrations.RunSQL(
"DELETE FROM zerver_preregistrationuser_streams WHERE preregistrationuser_id IN (SELECT id FROM zerver_0516_no_confirmations)",
elidable=True,
),
migrations.RunSQL(
"DELETE FROM zerver_preregistrationuser WHERE id IN (SELECT id FROM zerver_0516_no_confirmations)",
elidable=True,
),
migrations.RunSQL("DROP TABLE zerver_0516_no_confirmations", elidable=True),
]