新建体(1):新建type

类似数组的类型:
TYPE TAB_TYPE_MCHNO IS TABLE OF t_r_terminal.rt_merchno%type;
tMchNo  TAB_TYPE_MCHNO;
1)集合赋值:select t.lmerno bulk collect into tMchNo from t_r_terminal.rt_merchno t;
2)单一赋值:(首先需要全局定义类型)
inPara TAB_TYPE_MCHNO := TAB_TYPE_MCHNO();      //初始化
inPara.extend(1);                               //扩展一条记录空间
inPara(iIdx) := substr(tmpPara, 1, iPos- 1);    //进行赋值
新建一个类型:(类似C中新建一个结构体)
create or replace type
 nac_user.type_fix_bind_route as object

(
  LT_TERMNO          VARCHAR2(16),
  LT_MERCHNO         VARCHAR2(16),
  RI_INTERFACE       NUMBER(4),  
  FBR_MERCHNO        VARCHAR2(16),
  FBR_TERMNO         VARCHAR2(16),
  FBR_START          DATE,
  FBR_END            DATE,
  FBR_STATUS         CHAR(1),
  SSID               VARCHAR2(16),
  OPRUSER            VARCHAR2(20),
  COVER_AMOUNT       NUMBER,
  AIM_AMOUNT         NUMBER,
  CURR_AMOUNT        NUMBER
);
 
 
新建一个类型集合:(类似C中新建一个结构体数组)
create or replace type nac_user.tab_fix_bind_route is table of nac_user.type_fix_bind_route;
 
构造函数:
tTotal       tab_fix_bind_route := tab_fix_bind_route();
 
初始化:
tTotal.extend;  //如果是一对一"="赋值需要先扩展空间
tTotal(1):=tab_fix_bind_route (NULL,NULL,NULL,NULL,NULL,NULL,NULL...);
 
进行赋值:(批量赋值不需要扩展)
SELECT type_fix_bind_route(lt_termno,
                                 lt_merchno,
                                 ri_interface,
                                 fbr_merchno,
                                 fbr_termno,
                                 fbr_start,
                                 fbr_end,
                                 fbr_status,
                                 ssid,
                                 opruser,
                                 cover_amount,
                                 aim_amount,
                                 curr_amount) BULK COLLECT
        INTO tTotal
        FROM (select *
                from........

判断集合是否空:
if tTotal.Count > 0 then
......
错误案例:create or replace type nac_user.tab_fix_bind_route is table of nac_user."type_fix_bind_route;"
删除一个类型:(界面无法删除的)这个地方的引号不能有
drop type nac_user."type_fix_bind_route";
drop type nac_user."tab_fix_bind_route";
数据集合强制转换为TABLE——集合排序
select type_fix_bind_route(lt_termno,
                           lt_merchno,
                           ri_interface,
                           fbr_merchno,
                           fbr_termno,
                           fbr_start,
                           fbr_end,
                           fbr_status,
                           ssid,
                           opruser,
                           cover_amount,
                           aim_amount,
                           curr_amount) BULK COLLECT
  into tPartAg
  from TABLE(tPart) tp
 order by (tp.CURR_AMOUNT + lAmt) desc;
 
原文地址:https://www.cnblogs.com/bitter-first-sweet-last/p/3951749.html