insert into ex_phase_student(phase_id,student_id,create_id) values (#{item.phaseId},#{item.studentId},#{item.createId}) 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,e.name as create_name,d.id as course_id,d.logo as course_logo,d.name as course_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.course_id left join sys_user e on 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('%',#{studentPhone},'%') 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} select sum(b.resource_length) from ex_course_chapter_period a inner join ex_resource b on a.resource_id=b.id where a.course_id=#{courseId} select a.*,b.name as phase_name,c.id as company_id,c.name as company_name from ex_phase_student a left join ex_course_phase b on b.id=a.phase_id left join sys_company c on c.id=b.company_id where a.student_id=#{studentId}