如何在 Oracle PL/SQL 中选择 INTO 数字数组？
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时间：2020-09-01 02:08:48 来源:igfitidea点击:
How to SELECT INTO array of Numbers in Oracle PL/SQL?
提问by Boris Mitioglov
I'm trying to save set of ids in array:
我正在尝试将一组 id 保存在数组中：
declare
cities_ids array_of_numbers;
begin
select id into cities_ids from objects where id = 1115464;
FOR i IN 1..cities_ids.COUNT LOOP
DBMS_OUTPUT.PUT_LINE(cities_ids(i));
END LOOP;
end;
After execution, I got next error:
执行后，我得到了下一个错误：
ORA-00932: inconsistent datatypes. Expected UDT, got NUMBER.
Please explain what I did wrong...
请解释我做错了什么...
回答by Erich Kitzmueller
Very simple: BULK COLLECTis missing.
很简单：BULK COLLECT缺少。
declare
cities_ids array_of_numbers;
begin
select id BULK COLLECT into cities_ids from objects where id = 1115464;
FOR i IN 1..cities_ids.COUNT LOOP
DBMS_OUTPUT.PUT_LINE(cities_ids(i));
END LOOP;
end;
