id, student_user_id, teaching_class_id, task_id, task_key, task_name, step1_answer, step2_answer, step3_answer, step4_answer, current_step, progress_status, submitted, submit_time, create_time, update_time select from student_training_answer where id = #{id,jdbcType=VARCHAR} select from student_training_answer where student_user_id = #{studentUserId,jdbcType=VARCHAR} and teaching_class_id = #{teachingClassId,jdbcType=VARCHAR} and task_id = #{taskId,jdbcType=VARCHAR} order by update_time desc, create_time desc limit 1 delete from student_training_answer where student_user_id = #{studentUserId,jdbcType=VARCHAR} and teaching_class_id = #{teachingClassId,jdbcType=VARCHAR} and task_id = #{taskId,jdbcType=VARCHAR} insert into student_training_answer id, student_user_id, teaching_class_id, task_id, task_key, task_name, step1_answer, step2_answer, step3_answer, step4_answer, current_step, progress_status, submitted, submit_time, create_time, update_time, #{id,jdbcType=VARCHAR}, #{studentUserId,jdbcType=VARCHAR}, #{teachingClassId,jdbcType=VARCHAR}, #{taskId,jdbcType=VARCHAR}, #{taskKey,jdbcType=VARCHAR}, #{taskName,jdbcType=VARCHAR}, #{step1Answer}, #{step2Answer}, #{step3Answer}, #{step4Answer}, #{currentStep,jdbcType=INTEGER}, #{progressStatus,jdbcType=VARCHAR}, #{submitted,jdbcType=BIT}, #{submitTime,jdbcType=TIMESTAMP}, #{createTime,jdbcType=TIMESTAMP}, #{updateTime,jdbcType=TIMESTAMP}, update student_training_answer student_user_id = #{studentUserId,jdbcType=VARCHAR}, teaching_class_id = #{teachingClassId,jdbcType=VARCHAR}, task_id = #{taskId,jdbcType=VARCHAR}, task_key = #{taskKey,jdbcType=VARCHAR}, task_name = #{taskName,jdbcType=VARCHAR}, step1_answer = #{step1Answer}, step2_answer = #{step2Answer}, step3_answer = #{step3Answer}, step4_answer = #{step4Answer}, current_step = #{currentStep,jdbcType=INTEGER}, progress_status = #{progressStatus,jdbcType=VARCHAR}, submitted = #{submitted,jdbcType=BIT}, submit_time = #{submitTime,jdbcType=TIMESTAMP}, create_time = #{createTime,jdbcType=TIMESTAMP}, update_time = #{updateTime,jdbcType=TIMESTAMP}, where id = #{id,jdbcType=VARCHAR}