select topic_id, course_id, topic_title, topic_option, answer, create_time from t_train_course_topic and course_id = #{courseId} and topic_title = #{topicTitle} and topic_option = #{topicOption} and answer = #{answer} select topic_id, course_id, topic_title, topic_option, answer, create_time from t_train_course_topic WHERE course_id = #{courseId} where topic_id = #{topicId} insert into t_train_course_topic topic_id, course_id, topic_title, topic_option, answer, create_time, #{topicId}, #{courseId}, #{topicTitle}, #{topicOption}, #{answer}, #{createTime}, update t_train_course_topic course_id = #{courseId}, topic_title = #{topicTitle}, topic_option = #{topicOption}, answer = #{answer}, create_time = #{createTime}, where topic_id = #{topicId} delete from t_train_course_topic where topic_id = #{topicId} delete from t_train_course_topic where topic_id in #{topicId} insert into t_train_course_topic(course_id,topic_title,topic_option,answer,create_time) values (#{topic.courseId},#{topic.topicTitle},#{topic.topicOption},#{topic.answer},#{topic.createTime})