全局分区索引

drop table JS_SKSKJDK_DZFPMX02 purge;


--创建分区表 jssj
SQL> create table JS_SKSKJDK_DZFPMX02(
      fpdm      VARCHAR2(12) not null,
      fphm      VARCHAR2(8) not null,
      jssj      DATE,
      CONSTRAINT PK_JS_SKSKJDK_DZFPMX02 PRIMARY KEY(FPHM,FPDM)
      USING INDEX TABLESPACE users
    )
     PARTITION BY RANGE(JSSJ)
       (PARTITION p01 VALUES LESS THAN(to_date('2016/8/31 10:53:40','yyyy-mm-dd hh24:mi:ss')) TABLESPACE users) enable row movement; 

Table created.

--创建全局分区索引
drop index ind_jssj02;

SQL> create index ind_jssj02 on JS_SKSKJDK_DZFPMX02(jssj)  global 
    partition by range (jssj)
    (
    partition p02 values  less than (to_date('2016/10/30 10:53:40','yyyy-mm-dd hh24:mi:ss')) ,
    partition p03 values  less than (to_date('2016/11/30 10:53:40','yyyy-mm-dd hh24:mi:ss')),
    partition p04 values  less than (to_date('2016/12/3 10:53:40','yyyy-mm-dd hh24:mi:ss')),
    partition p05 values  less than (to_date('2016/12/30 10:53:40','yyyy-mm-dd hh24:mi:ss')),
    partition pmax values  less than (maxvalue)
    ) ; 

Index created.

-- 为分区表新增分区 
SQL> alter table JS_SKSKJDK_DZFPMX02 add partition p02 values  less than (to_date('2016/10/30 10:53:40','yyyy-mm-dd hh24:mi:ss')) tablespace  users;

Table altered.

SQL> alter table JS_SKSKJDK_DZFPMX02 add partition p03 values  less than (to_date('2016/11/30 10:53:40','yyyy-mm-dd hh24:mi:ss')) tablespace  users;

Table altered.

SQL> alter table JS_SKSKJDK_DZFPMX02 add partition p04 values  less than (to_date('2016/12/3 10:53:40','yyyy-mm-dd hh24:mi:ss')) tablespace  users; 

Table altered.

SQL> alter table JS_SKSKJDK_DZFPMX02 add partition p05 values  less than (to_date('2016/12/30 10:53:40','yyyy-mm-dd hh24:mi:ss')) tablespace  users; 

Table altered.

-- 将全局分区索引重建于指定的索引分区
alter index ind_jssj02  rebuild partition  p04 tablespace users;

--分区表插入测试数据
SQL> insert into JS_SKSKJDK_DZFPMX02 values('1','1',sysdate);

1 row created.

SQL> insert into JS_SKSKJDK_DZFPMX02 values('2','2',sysdate);

1 row created.

SQL> insert into JS_SKSKJDK_DZFPMX02 values('3','3',sysdate);

1 row created.


--检查索引状态 
SQL> select  t2.locality,t1.index_name,t1.partition_name,t1.status,t1.tablespace_name 
    from user_ind_partitions t1, user_part_indexes t2  where t1.index_name in ('IND_JSSJ02') and t1.index_name=t2.index_name 
    order by index_name,partition_name;

LOCALI INDEX_NAME                     PARTITION_NAME                 STATUS   TABLESPACE_NAME
------ ------------------------------ ------------------------------ -------- ------------------------------
GLOBAL IND_JSSJ02                     P02                            USABLE   USERS
GLOBAL IND_JSSJ02                     P03                            USABLE   USERS
GLOBAL IND_JSSJ02                     P04                            USABLE   USERS
GLOBAL IND_JSSJ02                     P05                            USABLE   USERS
GLOBAL IND_JSSJ02                     PMAX                           USABLE   USERS

--删除某个分区
SQL> alter table JS_SKSKJDK_DZFPMX02  drop partition p02;

Table altered.

--再次检查索引状态 
SQL> select  t2.locality,t1.index_name,t1.partition_name,t1.status,t1.tablespace_name 
        from user_ind_partitions t1, user_part_indexes t2  where t1.index_name in ('IND_JSSJ02') and t1.index_name=t2.index_name 
        order by index_name,partition_name;

LOCALI INDEX_NAME                     PARTITION_NAME                 STATUS   TABLESPACE_NAME
------ ------------------------------ ------------------------------ -------- ------------------------------
GLOBAL IND_JSSJ02                     P02                            UNUSABLE USERS
GLOBAL IND_JSSJ02                     P03                            UNUSABLE USERS
GLOBAL IND_JSSJ02                     P04                            UNUSABLE USERS
GLOBAL IND_JSSJ02                     P05                            UNUSABLE USERS
GLOBAL IND_JSSJ02                     PMAX                           UNUSABLE USERS


--结论: 全局分区索引果然不会自动维护分区索引啊
  
  
  
 

创建时间:2022-04-02 13:59
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