220dacf65cba_change_session_schema.py 文件源码

def upgrade():
    conn = op.get_bind()
    conn.execute("DELETE FROM session_data")
    op.drop_column('session_data', 'data')
    op.add_column('session_data', sa.Column('user_id', sa.Integer(), nullable=False))
    op.add_column('session_data', sa.Column('role_id', sa.Integer(), nullable=False))