"""add display_name to users

Revision ID: m1n2o3p4q5r6
Revises: l1m2n3o4p5q6
Create Date: 2026-06-03 20:00:00.000000

"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa

revision: str = 'm1n2o3p4q5r6'
down_revision: Union[str, None] = 'l1m2n3o4p5q6'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column('users', sa.Column('display_name', sa.String(100), nullable=True))


def downgrade() -> None:
    op.drop_column('users', 'display_name')