数据库中失效对象编译的方法教程

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--  DDL for Table RECOMPILE_LOG
--------------------------------------------------------
  CREATE TABLE "RECOMPILE_LOG" 
   (    "RDATE" DATE, 
    "ERRMSG" VARCHAR2(200 BYTE)
   ) ;
--------------------------------------------------------
--  DDL for Table RECOMPILE_TYPE_INFO
--------------------------------------------------------
  CREATE TABLE "RECOMPILE_TYPE_INFO" 
   (    "TYPE" VARCHAR2(30 BYTE), 
    "PROCESS_MODE" VARCHAR2(30 BYTE), 
    "BASE_TABLE" VARCHAR2(30 BYTE)
   ) ;
Insert into EODA.RECOMPILE_TYPE_INFO (TYPE,PROCESS_MODE,BASE_TABLE) values ('TRIGGER','COMPILE','DBA_DEPENDENCIES');
Insert into EODA.RECOMPILE_TYPE_INFO (TYPE,PROCESS_MODE,BASE_TABLE) values ('PROCEDURE','COMPILE','DBA_DEPENDENCIES');
Insert into EODA.RECOMPILE_TYPE_INFO (TYPE,PROCESS_MODE,BASE_TABLE) values ('FUNCTioN','COMPILE','DBA_DEPENDENCIES');
Insert into EODA.RECOMPILE_TYPE_INFO (TYPE,PROCESS_MODE,BASE_TABLE) values ('PACKAGE','COMPILE','DBA_DEPENDENCIES');
Insert into EODA.RECOMPILE_TYPE_INFO (TYPE,PROCESS_MODE,BASE_TABLE) values ('TYPE','COMPILE','DBA_DEPENDENCIES');
Insert into EODA.RECOMPILE_TYPE_INFO (TYPE,PROCESS_MODE,BASE_TABLE) values ('INDEX','REBUILD ONLINE','DBA_INDEXES');
--------------------------------------------------------
--  DDL for Procedure RECOMPILE_OBJECTS
--------------------------------------------------------
set define off;
  CREATE OR REPLACE EDITIONABLE PROCEDURE "RECOMPILE_OBJECTS" (RIO_OWNER       VARCHAR2,
                                              RIO_OBJECT_NAME VARCHAR2) AS
  COMPILE_sql   VARCHAR2(500);
  P_OWNER       VARCHAR2(30) := UPPER(RIO_OWNER);
  P_OBJECT_NAME VARCHAR2(30) := UPPER(RIO_OBJECT_NAME);
BEGIN
  FOR RIO_TYPE IN (SELECT TYPE, PROCESS_MODE, BASE_TABLE
                     FROM RECOMPILE_TYPE_INFO) LOOP
    IF RIO_TYPE.BASE_TABLE = 'DBA_DEPENDENCIES' THEN
      FOR DBA_DEP IN (SELECT OWNER, NAME
                        FROM DBA_DEPENDENCIES
                       WHERE TYPE = RIO_TYPE.TYPE
                         AND REFERENCED_OWNER = P_OWNER
                         AND REFERENCED_NAME = P_OBJECT_NAME) LOOP
        FOR DBA_OBJ IN (SELECT STATUS
                          FROM DBA_OBJECTS
                         WHERE OWNER = DBA_DEP.OWNER
                           AND OBJECT_NAME = DBA_DEP.NAME) LOOP
          IF DBA_OBJ.STATUS = 'INVALID' THEN
            BEGIN
              COMPILE_SQL := 'ALTER ' || RIO_TYPE.TYPE || ' ' ||
                             DBA_DEP.OWNER || '.' || DBA_DEP.NAME || ' ' ||
                             RIO_TYPE.PROCESS_MODE;
              EXECUTE immediate COMPILE_SQL;
            EXCEPTION
              WHEN OTHERS THEN
                INSERT INTO recompile_log
                  (rdate, errmsg)
                VALUES
                  (sysdate, COMPILE_SQL);
            END;
          END IF;
        END LOOP;
      END LOOP;
    END IF;
    IF RIO_TYPE.BASE_TABLE = 'DBA_INDEXES' THEN
      FOR DBA_IND IN (SELECT OWNER, INDEX_NAME, PARTITIONED, STATUS
                        FROM DBA_INDEXES
                       WHERE TABLE_OWNER = P_OWNER
                         AND TABLE_NAME = P_OBJECT_NAME) LOOP
        IF DBA_IND.PARTITIONED = 'NO' AND DBA_IND.STATUS = 'INVALID' THEN
          BEGIN
            COMPILE_SQL := 'ALTER ' || RIO_TYPE.TYPE || ' ' ||
                           DBA_IND.OWNER || '.' || DBA_IND.INDEX_NAME || ' ' ||
                           RIO_TYPE.PROCESS_MODE;
            EXECUTE immediate COMPILE_SQL;
          EXCEPTION
            WHEN OTHERS THEN
              INSERT INTO recompile_log
                (rdate, errmsg)
              VALUES
                (sysdate, COMPILE_SQL);
          END;
        END IF;
        IF DBA_IND.PARTITIONED = 'YES' THEN
          FOR IND_PAR IN (SELECT PARTITION_NAME, STATUS
                            FROM DBA_IND_PARTITIONS
                           WHERE INDEX_OWNER = DBA_IND.OWNER
                             AND INDEX_NAME = DBA_IND.INDEX_NAME) LOOP
            IF IND_PAR.STATUS = 'UNUSABLE' THEN
              BEGIN
                COMPILE_SQL := 'ALTER ' || RIO_TYPE.TYPE || ' ' ||
                               DBA_IND.OWNER || '.' || DBA_IND.INDEX_NAME ||
                               ' PARTITION ' || IND_PAR.PARTITION_NAME ||
                               ' ONLINE';
                EXECUTE immediate COMPILE_SQL;
              EXCEPTION
                WHEN OTHERS THEN
                  INSERT INTO recompile_log
                    (rdate, errmsg)
                  VALUES
                    (sysdate, COMPILE_SQL);
              END;
            END IF;
          END LOOP;
        END IF;
      END LOOP;
    END IF;
  END LOOP;
END;
/

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