plsql代码出错

Question

请求帮我解决plsql中的这个错误.

 sqlquery := 'SELECT COUNT(*) FROM V$SESSION WHERE STATUS = 'INACTIVE' AND LAST_CALL_ET > 0';
 EXECUTE IMMEDIATE sqlquery into s_count;

以下是错误:

  ERROR at line 57:
  ORA-06550: line 57, column 66:
  PLS-00103: Encountered the symbol "INACTIVE" when expecting one of the following:
  * & = - + ; < / > at in is mod remainder not rem
  <an exponent (**)> <> or != or ~= >= <= <> and or like like2
  like4 likec between || multiset member submultiset
  The symbol "* was inserted before "INACTIVE" to continue.
  ORA-06550: line 79, column 4:
  PLS-00103: Encountered the symbol "EXCEPTION" when expecting one of the following:
  ( begin case declare else elsif end exit for goto if loop mod
  null pragma raise return select update while with <an identifier> <a double-quoted
  ORA-06550: line 81, column 7:
  PLS-00103: Encountered the symbol "end-of-file" when expecting one of the following:
  end not pragma final instantiable order overriding static member constructor map

Answer 1

周围的引号INACTIVE将字符串拆分并导致语法错误...

sqlquery := 'SELECT COUNT(*) FROM V$SESSION WHERE STATUS = ''INACTIVE'' AND LAST_CALL_ET > 0';
EXECUTE IMMEDIATE sqlquery into s_count;

当然,如果声明实际上不是动态的,那么你就不需要了,EXECUTE IMMEDIATE而且可以改为:

SELECT COUNT(*)
INTO   s_count
FROM   V$SESSION
WHERE  STATUS = 'INACTIVE'
AND    LAST_CALL_ET > 0';