Postgresql - there is no unique or exclusion constraint matching the ON CONFLICT specification
postgresql 사용하다 INSERT INTO TB_CD(CTGRY, CD, LVL, CD_NM, CD_EXPLN, RSVT1, RSVT2, RSVT3, CD_SEQ, STTS_CD, SITE_SN) VALUES(#{ctgry}, #{cd}, #{lvl}::INTEGER, #{cdNm}, #{cdExpln}, #{rsvt1}, #{rsvt2}, #{rsvt3}, #{cdSeq}, #{sttsCd}, #{siteSn}) ON CONFLICT(CD) DO UPDATE SET CD_NM = #{cdNm}, CD_EXPLN = #{cdExpln}, RSVT1 = #{rsvt1}, RSVT2 = #{rsvt2}, RSVT3 = #{rsvt3}, CD_SEQ = ..