"""Syslog: a source's own device address, for lines that come through Docker's

Revision ID: syslog_004_device_address
Revises: syslog_003_sender
Create Date: 2026-10-19
"""
from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "syslog_004_device_address"
down_revision: Union[str, None] = "syslog_003_sender"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column("syslog_sources",
                  sa.Column("device_address", sa.String(255), nullable=False, server_default=""))


def downgrade() -> None:
    op.drop_column("syslog_sources", "device_address")