"""make interface zone_id nullable

Revision ID: 0005
Revises: 0004
Create Date: 2026-03-01
"""
from alembic import op
import sqlalchemy as sa

revision = "0005"
down_revision = "0004"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.alter_column("interfaces", "zone_id", existing_type=sa.Integer(), nullable=True)


def downgrade() -> None:
    op.alter_column("interfaces", "zone_id", existing_type=sa.Integer(), nullable=False)