示例
from sqlalchemy import create_engine, MetaData, and_, or_, TIMESTAMP
Plugin.query.filter(and_(Plugin.job_name == job_name, or_(Plugin.group_id.is_(None), Plugin.group_id == delete_list[0]),
Plugin.plugin_name == delete_list[1], Plugin.plugin_version == delete_list[2],
Plugin.plugin_state == delete_list[3])).delete()更多操作符
见/Users/xxx/.virtualenvs/erebus_app/lib/python3.6/site-packages/sqlalchemy/sql/operators.py
比如：startwith/endwith/contains/asc/desc/is_/isnot