"""set short_id NOT NULL on images

Revision ID: 004
Revises: 003
Create Date: 2026-05-09

IMPORTANT: Run migrate_to_short_ids.py script BEFORE applying this migration.
This migration will fail if any rows still have short_id IS NULL.
"""

from alembic import op

revision = "004"
down_revision = "003"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.alter_column("images", "short_id", nullable=False)


def downgrade() -> None:
    op.alter_column("images", "short_id", nullable=True)