select id, public_discuss_id, user_id, create_time, update_time, delete_flag from jczz_user_public_enroll select * from jczz_user_public_enroll where deleted_flag = 0 and id = #{id} and public_discuss_id = #{publicDiscussId} and user_id = #{userId} and create_time = #{createTime} and update_time = #{updateTime} and delete_flag = #{deleteFlag}