ORACLE中RECORD、VARRAY、TABLE的使用详解
时间:2022-03-10 18:15
--组织机构结构表
CREATE TABLE SF_ORG
(
ORG_ID INT NOT NULL, --组织机构主键ID
ORG_NAME VARCHAR2(50),--组织机构名称
PARENT_ID INT--组织机构的父级
)
--一级组织机构
INSERT INTO SF_ORG(ORG_ID, ORG_NAME, PARENT_ID) VALUES(1, '一级部门1',0);
--二级部门
INSERT INTO SF_ORG(ORG_ID, ORG_NAME, PARENT_ID) VALUES(2, '二级部门2',1);
INSERT INTO SF_ORG(ORG_ID, ORG_NAME, PARENT_ID) VALUES(3, '二级部门3',1);
INSERT INTO SF_ORG(ORG_ID, ORG_NAME, PARENT_ID) VALUES(4, '二级部门4',1);
DECLARE
TYPE TYPE_ORG_RECORD IS RECORD(
V_ORG_NAME SF_ORG.ORG_NAME%TYPE,
V_PARENT_ID SF_ORG.PARENT_ID%TYPE);
V_ORG_RECORD TYPE_ORG_RECORD;
BEGIN
SELECT ORG_NAME,PARENT_ID INTO V_ORG_RECORD
FROM SF_ORG SO
WHERE SO.ORG_ID=&ORG_ID;
DBMS_OUTPUT.PUT_LINE('部门名称:' || V_ORG_RECORD.V_ORG_NAME);
DBMS_OUTPUT.PUT_LINE('上级部门编码:' || TO_CHAR(V_ORG_RECORD.V_PARENT_ID));
END;
DECLARE
TYPE TYPE_ORG_RECORD IS RECORD(
V_ORG_NAME SF_ORG.ORG_NAME%TYPE,
V_PARENT_ID SF_ORG.PARENT_ID%TYPE);
V_ORG_RECORD TYPE_ORG_RECORD;
BEGIN
SELECT ORG_NAME,PARENT_ID INTO V_ORG_RECORD
FROM SF_ORG SO
WHERE SO.ORG_ID=&ORG_ID;
DBMS_OUTPUT.PUT_LINE('部门名称:' || V_ORG_RECORD.V_ORG_NAME);
DBMS_OUTPUT.PUT_LINE('上级部门编码:' || TO_CHAR(V_ORG_RECORD.V_PARENT_ID));
END;
DECLARE
TYPE ORG_VARRAY_TYPE IS VARRAY(5) OF VARCHAR2(25);
V_ORG_VARRAY ORG_VARRAY_TYPE;
BEGIN
V_ORG_VARRAY := ORG_VARRAY_TYPE('1','2','3','4','5');
DBMS_OUTPUT.PUT_LINE('输出1:' || V_ORG_VARRAY(1) || '、'|| V_ORG_VARRAY(2) || '、'|| V_ORG_VARRAY(3) || '、'|| V_ORG_VARRAY(4));
DBMS_OUTPUT.PUT_LINE('输出2:' || V_ORG_VARRAY(5));
V_ORG_VARRAY(5) := '5001';
DBMS_OUTPUT.PUT_LINE('输出3:' || V_ORG_VARRAY(5));
END;
DECLARE
TYPE ORG_TABLE_TYPE IS TABLE OF VARCHAR2(25)
INDEX BY BINARY_INTEGER;
V_ORG_TABLE ORG_TABLE_TYPE;
BEGIN
V_ORG_TABLE(1) := '1';
V_ORG_TABLE(2) := '2';
V_ORG_TABLE(3) := '3';
V_ORG_TABLE(4) := '4';
V_ORG_TABLE(5) := '5';
DBMS_OUTPUT.PUT_LINE('输出1:' || V_ORG_TABLE(1) || '、'|| V_ORG_TABLE(2) || '、'|| V_ORG_TABLE(3) || '、'|| V_ORG_TABLE(4));
DBMS_OUTPUT.PUT_LINE('输出2:' || V_ORG_TABLE(5));
END;
DECLARE
TYPE T_TYPE IS TABLE OF SF_ORG%ROWTYPE;
V_TYPE T_TYPE;
BEGIN
SELECT ORG_ID,ORG_NAME,PARENT_ID BULK COLLECT INTO V_TYPE
FROM SF_ORG
WHERE SF_ORG.ORG_ID <= 3;
FOR V_INDEX IN V_TYPE.FIRST .. V_TYPE.LAST LOOP
DBMS_OUTPUT.PUT_LINE(V_TYPE(V_INDEX).C1 || ' ' || V_TYPE(V_INDEX).C2);
END LOOP;
END;
DECLARE
TYPE TEST_EMP IS RECORD
(
C1 SF_ORG.ORG_NAME%TYPE,
C2 SF_ORG.PARENT_ID%TYPE
);
TYPE T_TYPE IS TABLE OF TEST_EMP;
V_TYPE T_TYPE;
BEGIN
SELECT ORG_NAME, PARENT_ID BULK COLLECT INTO V_TYPE
FROM SF_ORG
WHERE SF_ORG.ORG_ID <= 3;
FOR V_INDEX IN V_TYPE.FIRST .. V_TYPE.LAST LOOP
DBMS_OUTPUT.PUT_LINE(V_TYPE(V_INDEX).C1 || ' ' || V_TYPE(V_INDEX).C2);
END LOOP;
END;
3 问题
DECLARE
TYPE ORG_TABLE_TYPE IS TABLE OF VARCHAR2(25)
INDEX BY BINARY_INTEGER;
V_ORG_TABLE ORG_TABLE_TYPE;
BEGIN
V_ORG_TABLE(1) := '1';
V_ORG_TABLE(2) := '2';
V_ORG_TABLE(3) := '3';
V_ORG_TABLE(4) := '4';
V_ORG_TABLE(5) := '5';
DBMS_OUTPUT.PUT_LINE('输出1:' || V_ORG_TABLE(1) || '、'|| V_ORG_TABLE(2) || '、'|| V_ORG_TABLE(3) || '、'|| V_ORG_TABLE(4));
DBMS_OUTPUT.PUT_LINE('输出2:' || V_ORG_TABLE(5));
END;
DECLARE
TYPE T_TYPE IS TABLE OF SF_ORG%ROWTYPE;
V_TYPE T_TYPE;
BEGIN
SELECT ORG_ID,ORG_NAME,PARENT_ID BULK COLLECT INTO V_TYPE
FROM SF_ORG
WHERE SF_ORG.ORG_ID <= 3;
FOR V_INDEX IN V_TYPE.FIRST .. V_TYPE.LAST LOOP
DBMS_OUTPUT.PUT_LINE(V_TYPE(V_INDEX).C1 || ' ' || V_TYPE(V_INDEX).C2);
END LOOP;
END;
DECLARE
TYPE TEST_EMP IS RECORD
(
C1 SF_ORG.ORG_NAME%TYPE,
C2 SF_ORG.PARENT_ID%TYPE
);
TYPE T_TYPE IS TABLE OF TEST_EMP;
V_TYPE T_TYPE;
BEGIN
SELECT ORG_NAME, PARENT_ID BULK COLLECT INTO V_TYPE
FROM SF_ORG
WHERE SF_ORG.ORG_ID <= 3;
FOR V_INDEX IN V_TYPE.FIRST .. V_TYPE.LAST LOOP
DBMS_OUTPUT.PUT_LINE(V_TYPE(V_INDEX).C1 || ' ' || V_TYPE(V_INDEX).C2);
END LOOP;
END;
3 问题
DECLARE
TYPE TEST_EMP IS RECORD
(
C1 SF_ORG.ORG_NAME%TYPE,
C2 SF_ORG.PARENT_ID%TYPE
);
TYPE T_TYPE IS TABLE OF TEST_EMP;
V_TYPE T_TYPE;
BEGIN
SELECT ORG_NAME, PARENT_ID BULK COLLECT INTO V_TYPE
FROM SF_ORG
WHERE SF_ORG.ORG_ID <= 3;
FOR V_INDEX IN V_TYPE.FIRST .. V_TYPE.LAST LOOP
DBMS_OUTPUT.PUT_LINE(V_TYPE(V_INDEX).C1 || ' ' || V_TYPE(V_INDEX).C2);
END LOOP;
END;
3 问题
VARRAY和TABLE集合不能直接对其进行查询。只能对其进行遍历。
ORACLE中RECORD、VARRAY、TABLE的使用详解,布布扣,bubuko.com