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CREATE OR REPLACE FUNCTION A_Test(
orType varchar2
)RETURN SYS_REFCURSOR
is
type_cur SYS_REFCURSOR;
BEGIN
OPEN type_cur FOR
select col1,col2,col3 from testTable ;
RETURN type_cur;
END;
CREATE OR REPLACE TYPE "SPLIT_ARR" AS OBJECT(nowStr varchar2(18))
CREATE OR REPLACE TYPE "SPLIT_TAB" AS TABLE of split_arr;
CREATE OR REPLACE FUNCTION GetSubStr(
str in varchar2, --待分割的字符串
splitchar in varchar2 --分割标志
)
return split_tab
IS
restStr varchar2(2000) default GetSubStr.str;--剩余的字符串
thisStr varchar2(18);--取得的当前字符串
indexStr int;--临时存放分隔符在字符串中的位置
v split_tab := split_tab(); --返回结果
begin
dbms_output.put_line(restStr);
while length(restStr) != 0
LOOP
<<top>>
indexStr := instr(restStr,splitchar); --从子串中取分隔符的第一个位置
if indexStr = 0 and length(restStr) != 0 then--在剩余的串中找不到分隔符
begin
v.extend;
v(v.count) := split_arr(Reststr);
return v;
end;
end if;
if indexStr = 1 then---第一个字符便为分隔符,此时去掉分隔符
begin
restStr := substr(restStr,2);
goto top;
end;
end if;
if length(restStr) = 0 or restStr is null then
return v;
end if;
v.extend;
thisStr := substr(restStr,1,indexStr - 1); --取得当前的字符串
restStr := substr(restStr,indexStr + 1);---取剩余的字符串
v(v.count) := split_arr(thisStr);
END LOOP;
return v;
end;
cursor strcur is
select nowStr from Table(GetSubStr('111,222,333,,,',','));
create type row_type as object(a varchar2(10), v varchar2(10));--定义行对象
create type table_type as table of row_type; --定义表对象
create or replace function test_fun(
a in varchar2,b in varchar2
)
return table_type pipelined
is
v row_type;--定义v为行对象类型
begin
for thisrow in (select a, b from mytable where col1=a and col2 = b) loop
v := row_type(thisrow.a, thisrow.b);
pipe row (v);
end loop;
return;
end;
select * from table(test_fun('123','456'));
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