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我有这样定义的表:甲骨文更新现有的记录或插入新
CIC3.WBCOURSEACTIVITY
(
WCA_RID NUMBER,
WCA_TNA_ID NUMBER,
WCA_REG_RID NUMBER,
WCA_ANSWERED_PTS NUMBER,
WCA_TOTAL_PTS NUMBER,
WCA_TITLE VARCHAR2(50 BYTE)
)
我想更新,我送一个已经否则存在相同WCA_TNA_RID和WCA_REG_RID组合的任何记录,我想插入一个新纪录。我在WCA_RID上有一个序列
这看起来好像会做伎俩还是会更好?
CREATE OR REPLACE procedure CIC3.f_savewbpoints(pParticipantID number, pRegRid number, pAnsweredPoints number, pTotalPoints number, pTitle VARCHAR2) is
vWcaRid number;
begin
SELECT DISTINCT wca_rid INTO vWcaRid
FROM wbcourseactivity
WHERE wca_reg_rid = pRegRid
AND wca_tna_id = pParticipantID;
UPDATE wbcourseactivity
SET wca_answered_pts = pAnsweredPoints
, wca_totalPts = pTotalPoints
, wca_title = pTitle
WHERE wca_rid = vWcaRid
IF (NVL(SQL%ROWCOUNT, 0) = 0) THEN
INSERT INTO wbcourseactivity (wca_tna_id
, wca_reg_rid
, wca_answered_pts
, wca_total_pts
, wca_title)
VALUES
(pParticipantID
, pRegRid
, pAnsweredPoints
, pTotalPoints
, pTitle);
END IF;
commit;
end;
/
顺便说一句'IF(NVL(SQL%ROWCOUNT,0)= 0)'可以简化为'如果SQL%ROWCOUNT = 0'。在SQL语句之后它不能为空。 –