"""Making Changes

Revision ID: a0b8222b39de
Revises: 70948dfaa0fc
Create Date: 2024-08-31 04:33:49.475927

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = 'a0b8222b39de'
down_revision: Union[str, None] = '70948dfaa0fc'
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.create_table('recommendation_models',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('model', sa.LargeBinary(), nullable=False),
    sa.Column('created_at', sa.DateTime(), nullable=True),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_recommendation_models_id'), 'recommendation_models', ['id'], unique=False)
    op.drop_index('ix_users_username', table_name='users')
    op.drop_column('users', 'username')
    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('users', sa.Column('username', sa.VARCHAR(), autoincrement=False, nullable=False))
    op.create_index('ix_users_username', 'users', ['username'], unique=True)
    op.drop_index(op.f('ix_recommendation_models_id'), table_name='recommendation_models')
    op.drop_table('recommendation_models')
    # ### end Alembic commands ###