我有一个程序,我想从Col1:
向变量插入值Procedure insertX
IS
var1 varchar2(100) := '';
check_s1 : = 'select Col1 into '||var1||' from table1';
begin
EXECUTE IMMEDIATE check_s1;
if var1 is null then
...
else
...
end if;
end;
但是当我执行它时出错了。
正如我看到select into有错误。
如何将值插入我的Var1,然后在IF条件下使用它?
答案 0 :(得分:1)
语法错误。应该是
SQL> set serveroutput on
SQL> declare
2 var1 varchar2(100);
3 check_s1 varchar2(100) := 'select dummy from dual';
4 begin
5 execute immediate check_s1 into var1;
6
7 if var1 is null then
8 dbms_output.put_line('var1 is null');
9 else
10 dbms_output.put_line('var1 = ' || var1);
11 end if;
12 end;
13 /
var1 = X
PL/SQL procedure successfully completed.
SQL>