insert into ex_phase_student(phase_id,student_id) values (#{item.phaseId},#{item.studentId}) select count(1) from ex_phase_student where phase_id#{phaseId} select a.*,b.phone as student_phone,b.name as student_name from ex_phase_student a left join ex_student b on a.student_id=b.id where a.id=#{phaseStudentId} select sum(progress) from ex_student_study where phase_id=#{phaseId} and student_id=#{studentId} select create_time from ex_student_study where phase_id=#{phaseId} and student_id=#{studentId} order by create_time asc limit 1 select a.*,b.phone as student_phone,b.name as student_name,c.name as phase_name,d.period,e.name as create_name from ex_phase_student a left join ex_student b on a.student_id=b.id left join ex_course_phase c on c.id=a.phase_id left join ex_course d on d.id=c.couser_id left join sys_user e e.id=a.create_id and c.del_flag=0 and b.del_flag=0 and a.phase_id=#{phaseId} and b.name like concat('%',#{studentName},'%') and b.phone like concat('%',#{phone},'%') and a.student_id=#{studentId} order by a.id desc select count(1) from ex_phase_student where phase_id=#{phaseId} and student_id=#{studentId}