"""Metric normals: how high a metric has gone in most hours of the day.

Revision ID: 0050_norm_usual_anywhere
Revises: 0049_alert_on_a_rise
Create Date: 2026-10-30
"""
from typing import Sequence, Union

import sqlalchemy as sa
from alembic import op

revision: str = "0050_norm_usual_anywhere"
down_revision: Union[str, None] = "0049_alert_on_a_rise"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column("metric_norms", sa.Column("usual_anywhere", sa.Float, nullable=False, server_default="0"))


def downgrade() -> None:
    op.drop_column("metric_norms", "usual_anywhere")