oracle 存储过程-动态行转列，解决。

包头

create or replace package pro_test as
      TYPE out_cursor IS REF CURSOR; 
procedure Alarm_ContentsByTime(
                              p_StartTime      varchar2, ----开始时间
                              p_EndTime      varchar2, ----结束时间
                              io_cursor in OUT out_cursor
                        );

end pro_test;

包体

create or replace package body pro_test is

  procedure Alarm_ContentsByTime(
                               p_StartTime      varchar2, ----开始时间
                               p_EndTime      varchar2, ----结束时间
                                io_cursor in OUT out_cursor
                        ) is
  cursor cursor_1 IS 
  --获取 列用于循环。
  select DISTINCT t.ps_productorcode code, t.PS_PRODUCTORNAME name,1 type FROM PSINFO_PRODUCTYIELD_SB t 
                           union all
                           select DISTINCT f.ps_rawcode code,f.ps_rawname name,2 type from PSINFO_RAWMATERIALS_SB f
                           ORDER BY type,code; 
 V_SQL VARCHAR2(6000);
  begin
      V_SQL := 'select ''市本级'' as c0003_stname, 1 as c0003_stcode';
        FOR V_XCLCK IN cursor_1
      LOOP
        V_SQL := V_SQL || ',' || 'min(case when t1.ps_name=''' || V_XCLCK.name ||
                 ''' then t1.ps_name end) as ' || V_XCLCK.name||'mc'|| ',' || 'min(case when t1.ps_name=''' || V_XCLCK.name ||
                 ''' then t1.cl end) as ' || V_XCLCK.name||'cl'|| ',' || 'min(case when t1.ps_name=''' || V_XCLCK.name ||
                 ''' then t1.ps_unit end) as ' || V_XCLCK.name||'dw';
      END LOOP;
      V_SQL := V_SQL || '  from t0003_station t
                           inner join (
                           select 
                           c.c0003_stcode,
                           c.c0003_stname,
                           a.ps_productorname ps_name,
                           a.ps_unit,
                           sum(nvl(a.ps_productoryield,0)) cl
                           from t0003_station c,PSINFO_PRODUCTYIELD_SB a
                           where a.c0003_stcode=c.c0003_stcode 
                           and a.ps_month>=to_date('''||p_StartTime||''',''yyyy-mm-dd hh24:mi:ss'')
                           and a.ps_month<=to_date('''||p_EndTime||''',''yyyy-mm-dd hh24:mi:ss'')
                           group by c.c0003_stcode,c.c0003_stname,a.ps_productorname,a.ps_unit
                           union all
                            select 
                           c.c0003_stcode,
                           c.c0003_stname,
                           b.ps_rawname ps_name,
                           b.ps_unit,
                           sum(nvl(b.ps_productoryield,0)) cl
                           from t0003_station c,PSINFO_RAWMATERIALS_SB b
                           where b.c0003_stcode=c.c0003_stcode
                           and b.ps_month>=to_date('''||p_StartTime||''',''yyyy-mm-dd hh24:mi:ss'')
                           and b.ps_month<=to_date('''||p_EndTime||''',''yyyy-mm-dd hh24:mi:ss'')
                           group by c.c0003_stcode,c.c0003_stname,b.ps_rawname,b.ps_unit
                           ) t1 on t.c0003_stcode=t1.c0003_stcode
                           left join t0070_enterprise t70 on
                            t.c0003_stcode=t70.c0003_stcode
                            and t70.c0003_year=t1.c0003_stcode
                            and t70.c0070_stcode_ctrl=''320100''
                           group by t.c0003_stname,t.c0003_stcode ';
      DBMS_OUTPUT.PUT_LINE(V_SQL);
      --V_SQL := 'CREATE OR REPLACE VIEW RESULT  AS '||  V_SQL;
       open io_cursor for V_SQL;
  end Alarm_ContentsByTime;
end pro_test;

执行之后

链接地址：http://www.cnblogs.com/blue123/p/8441112.html

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