Files
notifications-api/migrations/versions/0360_remove_sched_notifications_.py
Kenneth Kehl 1ecb747c6d reformat
2023-08-29 14:54:30 -07:00

44 lines
1.5 KiB
Python

"""
Revision ID: 0360_remove_sched_notifications
Revises: 0359_more_permissions
Create Date: 2021-06-07 09:09:06.376862
"""
import sqlalchemy as sa
from alembic import op
from sqlalchemy.dialects import postgresql
revision = "0360_remove_sched_notifications"
down_revision = "0359_more_permissions"
def upgrade():
# drop index concurrently will drop the index without locking out concurrent
# selects, inserts, updates, and deletes on the index's table namely on notifications
# First we need to issue a commit to clear the transaction block.
op.execute("COMMIT")
op.execute("DROP INDEX CONCURRENTLY ix_scheduled_notifications_notification_id")
op.drop_table("scheduled_notifications")
def downgrade():
# I've intentionally removed adding the index back from the downgrade method
op.create_table(
"scheduled_notifications",
sa.Column("id", postgresql.UUID(), autoincrement=False, nullable=False),
sa.Column(
"notification_id", postgresql.UUID(), autoincrement=False, nullable=False
),
sa.Column(
"scheduled_for", postgresql.TIMESTAMP(), autoincrement=False, nullable=False
),
sa.Column("pending", sa.BOOLEAN(), autoincrement=False, nullable=False),
sa.ForeignKeyConstraint(
["notification_id"],
["notifications.id"],
name="scheduled_notifications_notification_id_fkey",
),
sa.PrimaryKeyConstraint("id", name="scheduled_notifications_pkey"),
)