SELECT * FROM music_group_payment_calender_course_settings WHERE id_ = #{id} SELECT * FROM music_group_payment_calender_course_settings ORDER BY id_ INSERT INTO music_group_payment_calender_course_settings (id_,music_group_payment_calender_id_,course_type_,course_total_minuties_,unit_price_,course_original_price_,course_current_price_,is_student_optional_,create_time_,update_time_) VALUES(#{id},#{musicGroupPaymentCalenderId},#{courseType},#{courseTotalMinuties},#{unitPrice},#{courseOriginalPrice},#{courseCurrentPrice},#{isStudentOptional},#{createTime},#{updateTime}) UPDATE music_group_payment_calender_course_settings is_student_optional_ = #{isStudentOptional}, id_ = #{id}, unit_price_ = #{unitPrice}, update_time_ = #{updateTime}, course_current_price_ = #{courseCurrentPrice}, music_group_payment_calender_id_ = #{musicGroupPaymentCalenderId}, course_type_ = #{courseType}, course_original_price_ = #{courseOriginalPrice}, course_total_minuties_ = #{courseTotalMinuties}, create_time_ = #{createTime}, WHERE id_ = #{id} DELETE FROM music_group_payment_calender_course_settings WHERE id_ = #{id} SELECT * FROM music_group_payment_calender_course_settings ORDER BY id_ SELECT COUNT(*) FROM music_group_payment_calender_course_settings