请像运营商一样使用
select([self.audit_trail_table]).where(self.audit_trail_table.c.first_name.like('%' + filter_query + '%') or self.audit_trail_table.c.last_name.like('%abc%'))http://docs.sqlalchemy.org/en/rel_0_9/core/sqlelement.html#sqlalchemy.sql.operators.ColumnOperators.like
