"""Initial notification service tables

Revision ID: 001_initial_notification
Revises:
Create Date: 2024-01-01 12:00:00.000000

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql

# revision identifiers, used by Alembic.
revision: str = '001_initial_notification'
down_revision: Union[str, None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    # TODO: Add table creation statements for notification service
    # This is a placeholder migration - replace with actual table definitions
    pass


def downgrade() -> None:
    # TODO: Add table drop statements for notification service
    pass