Oracle存储过程使用游标的技巧代码(一)

2014-11-24 12:08:57 · 作者: · 浏览: 0

Oracle中,他以一个语句块为一个默认的事务。也就是说,如果你就单单只执行一段ORACLE的语句块,他默认是以事务的形式执行的。

CREATE OR REPLACE PROCEDURE sp_EditInlayOut(

FID NUMBER, --修改记录的ID T_INLAYOUT表的主键

InlayBoxIDs varchar2, --修改的记录

BoxCount number, --装箱数量

ApplyUserID varchar2, --申请人编号

StoreUserID varchar2, --库管编号

ConfirmState char, --确认状态

ExistState char, --存在状态

strErr OUT varchar2 --存储过程执行结果。成功返回空,失败返回错误原因

AS

--定义变量

v_Now DATE;

v_Now2 date;

v_LogID number;

v_ChipID number;

v_sql varchar2(2000);

BEGIN

--记录日志

INSERT INTO T_InlayOut_Log(F_InlayBoxIDs,f_Boxcount,f_Applyuserid,f_Storeuserid,f_Addtime,f_Confirmstate

,f_Existstate, f_modifyid, f_modifytime, f_modifyuserid )

((SELECT F_InlayBoxIDs,f_Boxcount,f_Applyuserid,f_Storeuserid,f_Addtime,f_Confirmstate,f_Existstate

,FID,SYSDATE,StoreUserID FROM T_InlayOut WHERE F_ID=FID));

--取刚插入记录的ID

select seq_t_inlayout_log.currval into v_LogID from dual;

--定义游标

DECLARE CURSOR myCusor IS SELECT F_ID FROM T_CHIP WHERE F_InlayBoxID IN (SELECT f_ID FROM

T_InlayBox where F_InlayOutID = FID);

--开始使用游标取数据

BEGIN

OPEN myCusor;

LOOP

FETCH myCusor INTO v_ChipID;

--游标取不到数据则退出

EXIT WHEN myCusor%NOTFOUND;

SELECT MIN(F_CurrentTime)INTO v_Now FROM t_Chipstatehistory WHERE

(F_HistoryState = 'Confirm_InlayIn')AND F_ChipID = v_ChipID;

--改变芯片表的状态

UPDATEt_chip SET f_State = 'Confirm_InlayIn',F_CompareTime = v_Now WHERE F_ID = v_ChipID;

--保存芯片状态历史记录

INSERT INTO T_CHIPSTATEHISTORY(f_chipid, f_Historystate,F_TABLEID,f_Currenttime,F_TABLENAME)

VALUES

(v_ChipID,'Confirm_InlayIn',v_LogID,SYSDATE,'T_InlayOut_Log');

END LOOP;

CLOSE myCusor;

END;

--选择最近芯片状态变更时间
--SELECT MIN(F_CURRENTTIME)INTO v_NOW FROM T_CHIPSTATEHISTORY WHERE F_HISTORYSTATE = 20
AND F_CHIPID IN (SELECT F_ID FROM T_CHIP WHERE F_InlayBoxID=(SELECT F_ID FROM T_InlayBox
WHERE F_InlayOutID=FID));
--将芯片表中芯片状态更新到以前状态
--UPDATE T_CHIP SET F_State=20,F_CompareTime=v_NOW WHERE F_InlayBoxID IN (SELECT F_ID FROM
T_InlayBox WHERE F_InlayOutID =FID);
--记录芯片状态变更日志
--INSERT INTO T_ChipStateHistory (F_ChipID,f_Historystate,f_Tableid,f_Currenttime,f_Tablename)VALUES
--((SELECT F_ID FROM T_CHIP WHERE F_InlayBoxID=(SELECT F_ID FROM T_InlayBox WHERE F_InlayOutID=FID)),
20,v_LogID,SYSDATE,'T_InlayOut_Log');
--将Inlay出库箱表中以前的数据更新到以前状态
UPDATE T_InlayBox SET F_State=2,F_InlayOutID=null WHERE F_InlayOutID =FID;
--编辑时将新的INLAY出库信息更新
UPDATE T_InlayOut SET F_InlayBoxIDs=InlayBoxIDs,f_Boxcount=BoxCount,f_Applyuserid=ApplyUserID,
f_Storeuserid=StoreUserID,f_Confirmstate=ConfirmState,F_ExistState=ExistState,F_ConfirmTime=null
WHERE F_ID=FID;
--更新T_InlayBox 新的状态
--UPDATE T_InlayBox SET F_State=3,F_InlayOutID=FID WHERE F_ID in (InlayBoxIDs);
v_sql := 'UPDATE T_InlayBox SET F_State=3,F_InlayOutID='||FID||' WHERE F_ID in ('||InlayBoxIDs||')';
--立即执行v_sql
EXECUTE IMMEDIATE v_sql;
SELECT SYSDATE INTO v_Now2 FROM DUAL;
--更新芯片表状态
UPDATE T_Chip SET F_State='No_Confirm_InlayOut',F_CompareTime=v_Now2 WHERE F_InlayBoxID IN
(SELECT F_ID FROM T_InlayBox WHERE F_InlayOutID=FID);
--记录当前操作日志
INSERT INTO T_ChipStateHistory (F_ChipID,f_Historystate,f_Tableid