SQL> create or replace function A2(arg_bh User_Tables.table_name%type)
2 return number is
3 Result VARCHAR2(50);
4 begin
5 select arg_bh || rpad(arg_bh, 46) || '(测试)' into Result from dual;
6 end A2;
7 /
Function created
SQL> alter function a2 compile;
Function altered
SQL> alter function a2 compile debug;