ORACLE创建多个游标并嵌套循环
ORACLE创建多个游标并嵌套循环
需求：每遍历游标2的记录时分别去遍历游标1的数据，并替换后插入临时表
CREATE OR REPLACE PROCEDURE TESTQ
IS
DownDictate VARCHAR2(200) DEFAULT '';
t_IsExist NUMBER:=0;
use_DownDictate VARCHAR2(200) DEFAULT '';
BEGIN
--判断指令是否会错误
SELECT DOWNDICTATE INTO DownDictate FROM T_MS_AUTOPLANDICTATE WHERE PROCEDURENAME='PKG_MEDI_IMM.QUERY_MEDI_IMM';
IF DownDictate IS NULL THEN
RETURN;
END IF;
--开始定义游标
DECLARE
---定义游标 1
CURSOR C_PARAMETERS IS
SELECT FUNCTIONNODECODE,FUNCTIONNODENAME FROM T_MS_FUNCTIONNODES WHERE FUNCTIONID = (SELECT FUNCTIONID FROM T_MS_FUNCTION WHERE FUNCTIONPROCE='PKG_MEDI_IMM.QUERY_MEDI_IMM');
---定义游标 2
CURSOR C_MEDIIMME IS
SELECT * FROM ( SELECT A.GRANTMASTER_BARCODE,A.GRANTMASTER_DATE,B.UNITINFO_NAME,C.USERINFO_REALNAME FROM T_LABEL_GRANTMASTER A LEFT OUTER JOIN T_ER_UNITINFO B ON A.GRANTMASTER_FARMID=B.UNITINFO_ID LEFT OUTER JOIN T_SYS_USERINFO C ON A.GRANTMASTER_FARMERSID = C.USERINFO_ID WHERE C.USERINFO_MOBILE IS NOT NULL OR C.USERINFO_PHONE IS NOT NULL) T;
--定义游标1的行定义
TYPE paraType IS RECORD(
code VARCHAR2(20),
codecn VARCHAR2(50)
);
paraRowType paraType;
---定义游标2的行定义
TYPE rtype IS RECORD(
yzpch VARCHAR2(50),
g_date DATE,
yzc VARCHAR2(100),
yznh VARCHAR2(50)
);
c_rtype rtype;
--开始执行
BEGIN
OPEN C_MEDIIMME; --打开游标 2
LOOP
FETCH C_MEDIIMME INTO c_rtype;
EXIT WHEN C_MEDIIMME%NOTFOUND;
use_DownDictate := DownDictate;
OPEN C_PARAMETERS; --打开游标1 (需要每遍历游标2的一条数据时打开一次游标1)
--遍历参数表
BEGIN
LOOP
FETCH C_PARAMETERS INTO paraRowType;
EXIT WHEN C_PARAMETERS%NOTFOUND;
IF paraRowType.code = 'yzpch' THEN
use_DownDictate := REPLACE(use_DownDictate,paraRowType.codecn||'#',c_rtype.yzpch);
ELSIF paraRowType.code = 'yznh' THEN
use_DownDictate := REPLACE(use_DownDictate,paraRowType.codecn||'#',c_rtype.yznh);
ELSIF paraRowType.code = 'yzc' THEN
use_DownDictate := REPLACE(use_DownDictate,paraRowType.codecn||'#',c_rtype.yzc);
END IF;
END LOOP;
END;
CLOSE C_PARAMETERS; --关闭游标1
--插入临时表
INSERT INTO T_MEDIIMMETABLE(ReplaceResult,DateResult)
VALUES(use_DownDictate,c_rtype.g_date);
END LOOP;
CLOSE C_MEDIIMME; --关闭游标2
END;
END TESTQ;
