• 抓取锁的sql语句-第二次修改


    CREATE OR REPLACE PROCEDURE SOLVE_LOCK

    AS

     V_SQL VARCHAR2(3000);  --定义 v_sql 接受抓取锁的sql语句
     CUR_LOCK SYS_REFCURSOR; --定义游标变量,循环执行抓取锁的sql语句

     TYPE TP_LOCK IS RECORD(   --定义 record类型的 变量
     V_SID NUMBER,
     V_TYPE VARCHAR2(10),
     V_ID1 NUMBER,
     V_ID2 NUMBER,
     V_LMODE VARCHAR2(200),
     V_REQUEST  VARCHAR2(200),
     V_LOCK_TIME NUMBER,
     V_BLOCK  NUMBER );
     
    -- V_TYPE VARCHAR2(30),

     RECORDS_LOCK TP_LOCK;

     BEGIN
       V_SQL:='SELECT SID,TYPE,ID1,ID2,
       DECODE(LMODE,0, ''NONE'',1,''NULL'', 2, ''ROW SHARE'' ,3, ''ROW EXCLUSIVE'' ,4, ''SHARE'' ,5, ''SHARE ROW EXCLUSIVE'' ,6  ,''EXCLUSIVE'' ,''HAHA'') LOCK_TYPE,
       DECODE(REQUEST,0, ''NONE'',1,''NULL'', 2, ''ROW SHARE'' ,3, ''ROW EXCLUSIVE'' ,4, ''SHARE'' ,5, ''SHARE ROW EXCLUSIVE'' ,6  ,''EXCLUSIVE'' ,''HAHA'') LOCK_REQUEST,
       CTIME,BLOCK FROM V$LOCK WHERE SID IN (133,68)' ;
     
     -- V_SQL:='SELECT SID,TYPE,ID1,ID2, DECORD(LMODE,0, NONE,1,'NULL' 2, 'ROW SHARE' ,3, 'ROW EXCLUSIVE' 4, 'SHARE' 5, 'SHARE ROW EXCLUSIVE' 6  ,'EXCLUSIVE' ,'HAHA') LOCK_TYPE,REQUEST,CTIME,BLOCK FROM V$LOCK WHERE SID IN (133,9)' ;

       
     

                         
                         
     OPEN CUR_LOCK FOR V_SQL;
     LOOP  
       FETCH CUR_LOCK INTO RECORDS_LOCK;
           
       EXIT WHEN CUR_LOCK%NOTFOUND;

    IF RECORDS_LOCK.V_REQUEST <> 'NONE'  THEN    --抓取发出请求锁的会话
      DBMS_OUTPUT.PUT_LINE('SID: '||RECORDS_LOCK.V_SID||' is request a lock ,lock_mode  is '||RECORDS_LOCK.V_REQUEST||' and being locked '|| RECORDS_LOCK.V_LOCK_TIME);
    END IF;

     IF RECORDS_LOCK.V_BLOCK  <>0 THEN   --抓取发生锁阻塞的会话
      DBMS_OUTPUT.put_line('SID: '||RECORDS_LOCK.V_SID||' is make a lock , lock_mode is '||RECORDS_LOCK.V_LMODE);
      END IF;
       
      -- DBMS_OUTPUT.put_line(RECORDS_LOCK.V_SID);

       END LOOP;
       CLOSE CUR_LOCK;

       END SOLVE_LOCK;

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  • 原文地址:https://www.cnblogs.com/iyoume2008/p/4777040.html
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