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Oracle PLSQL Demo - 18.01管道function[查询零散的字段组成list管道返回]

时间:2015-06-29 23:59:33      阅读:284      评论:0      收藏:0      [点我收藏+]

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--PACKAGE
CREATE OR REPLACE PACKAGE test_141213 is
    TYPE type_ref IS record(
        ENAME VARCHAR2(20),
        WORK_CITY VARCHAR2(20),
        SAL NUMBER(10));
    TYPE t_type_ref IS TABLE OF type_ref;
    
    FUNCTION retrieve(v_name varchar2) RETURN t_type_ref
        PIPELINED;
END test_141213;


-- PACKAGE BODY
CREATE OR REPLACE PACKAGE BODY test_141213 IS
    FUNCTION retrieve(v_name varchar2) RETURN t_type_ref
        PIPELINED IS
        cur_type_ref type_ref;
        
        Type ref_cur_variable IS REF cursor;
        cur_variable ref_cur_variable;
        --rec_emp type_ref%RowType;
        v_sql varchar2(100) := select e.ename, d.loc as work_city, e.sal from scott.emp e, scott.dept d where e.deptno = d.deptno;
    BEGIN
      
        Open cur_variable For v_sql;
    
        Loop
            fetch cur_variable
                InTo cur_type_ref;
            Exit When cur_variable%NotFound;
            
            dbms_output.put_line(cur_variable%rowcount ||  ->  || cur_type_ref.ename ||     || cur_type_ref.work_city ||     || cur_type_ref.sal);
            PIPE ROW(cur_type_ref);
        End Loop;
        Close cur_variable;
    
        RETURN;
    END;
END test_141213;

--Test retrieve
select * from table(test_141213.retrieve(Robin));

 

Oracle PLSQL Demo - 18.01管道function[查询零散的字段组成list管道返回]

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原文地址:http://www.cnblogs.com/nick-huang/p/4609106.html

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