id, catalog_id, survey_template_id, is_required, is_upload, upload_time, upload_by, file_url, order_num, is_deleted, create_time, create_by, update_time, update_by SELECT COALESCE(u.id, '') as id, t.catalog_id, t.survey_template_id, COALESCE(u.is_required, '1') as is_required, COALESCE(u.is_upload, '0') as is_upload, u.upload_time, u.upload_by, u.file_url, COALESCE(u.order_num, 0) as order_num, COALESCE(u.is_deleted, '0') as is_deleted, COALESCE(u.create_time, t.create_time) as create_time, COALESCE(u.create_by, t.create_by) as create_by, u.update_time, u.update_by, t.survey_template_name, t.template_type, '模版定制' as data_type FROM cost_survey_template t LEFT JOIN cost_survey_template_upload u ON t.survey_template_id = u.survey_template_id AND u.catalog_id = #{catalogId} AND u.is_deleted = '0' WHERE t.catalog_id = #{catalogId} AND t.status = '0' AND t.is_delete = '0' ORDER BY COALESCE(u.order_num, 0) ASC, t.create_time ASC select from cost_survey_template_upload ${ew.customSqlSegment} select from cost_survey_template_upload ${ew.customSqlSegment} select from cost_survey_template_upload where id = #{id}