"""add username

Revision ID: 98b1b4a0de39
Revises: c818e5b84075
Create Date: 2024-10-03 14:27:43.877725

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '98b1b4a0de39'
down_revision: Union[str, None] = 'c818e5b84075'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('user', sa.Column('username', sa.String(length=100), nullable=False))
    op.create_unique_constraint(None, 'user', ['username'])
    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_constraint(None, 'user', type_='unique')
    op.drop_column('user', 'username')
    # ### end Alembic commands ###