select pi.id, pp.project_name, pi.pro_code, pp.adcd, pp.project_type, pi.CONSTRUCTION_NATURE, pi.is_major from bs_sgc_jsjd_bui_pro_info pi left join bs_slgc_qqjd_spe_pro_proposal pp on pi.pro_code = pp.project_code and pi.pro_no = pp.pro_no