SQL Oracle EXECUTE IMMEDIATE 成游标
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Oracle EXECUTE IMMEDIATE into a cursor
提问by Ankit
I have a stored procedure which used the EXECUTE IMMEDIATEcommand to execute a very long string. How do I support a very long string and return the data into a refcursor?
我有一个存储过程，它使用该EXECUTE IMMEDIATE命令来执行一个很长的字符串。如何支持很长的字符串并将数据返回到refcursor？
回答by Allan
Assuming that your SQL is not longer than 32K (as @Tony Andrews hinted at), you should be able to use something like this:
假设您的 SQL 不超过 32K（正如@Tony Andrews 所暗示的那样），您应该能够使用如下内容：
declare
SQL_Text varchar2(32760) := 'select * from dual'; --your query goes here
cur sys_refcursor;
begin
open cur for SQL_Text;
end;
When working with Ref Cursors, open-forcan be used directly, instead of execute immediate.
使用 Ref Cursors 时，open-for可以直接使用，而不是execute immediate.
