Oracle EXECUTE IMMEDIATE插入游标 [英] Oracle EXECUTE IMMEDIATE into a cursor

问题描述

我有一个存储过程，该存储过程使用EXECUTE IMMEDIATE命令执行一个很长的字符串.如何支持一个很长的字符串并将数据返回到refcursor中?

I have a stored procedure which used the EXECUTE IMMEDIATE command to execute a very long string. How do I support a very long string and return the data into a refcursor?

推荐答案

假定您的SQL长度不超过32K(如@Tony Andrews所暗示的)，则您应该可以使用以下代码:

Assuming that your SQL is not longer than 32K (as @Tony Andrews hinted at), you should be able to use something like this:

declare
   SQL_Text varchar2(32760) := 'select * from dual'; --your query goes here
   cur sys_refcursor;
begin
   open cur for SQL_Text;
end;

使用参考光标时，可以直接使用open-for代替execute immediate.

When working with Ref Cursors, open-for can be used directly, instead of execute immediate.

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