"""problems.resolved_by — manual vs auto close for host_silence cooldown

Revision ID: 015
Revises: 014
"""

from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "015"
down_revision: Union[str, None] = "014"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column(
        "problems",
        sa.Column("resolved_by", sa.String(length=16), nullable=True),
    )


def downgrade() -> None:
    op.drop_column("problems", "resolved_by")