lob索引在不同版本dba_objects存在問題
10G中 lob的index索引在dba_objects 裡找不到？？
11g中可以找到.
--從不同版本dba_objects的定義中可以看出，是type#這個欄位的不同造成的
10G:
SQL> drop table t_lob;
Table dropped.
SQL> create table t_lob (id clob,name varchar2(10));
Table created.
SQL> insert into t_lob values ('1','ss');
1 row created.
SQL> commit;
Commit complete.
SQL> create index idx_t_lob on t_lob(name);
Index created.
SQL> select index_name,status from user_indexes
2 ;
INDEX_NAME STATUS
------------------------------------------------------------ ----------------
SYS_IL0000053726C00001$$ VALID
IDX_T_LOB VALID
MYTEST_UIX VALID
SYS_C005282 VALID
IND_T VALID
SQL> select * from dba_objects where object_name='SYS_IL0000053726C00001$$'; --這裡沒有lob索引的物件
no rows selected
SQL> select name from sys.obj$ where name='SYS_IL0000053726C00001$$'; --在基表中是有的，那麼就應該是dba_objects這個定義的和11g中的不一樣
NAME
------------------------------------------------------------
SYS_IL0000053726C00001$$
SQL> select * from v$version;
BANNER
--------------------------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi
PL/SQL Release 10.2.0.4.0 - Production
CORE 10.2.0.4.0 Production
TNS for Linux: Version 10.2.0.4.0 - Production
NLSRTL Version 10.2.0.4.0 - Production
11G:
SQL> select index_name,status from user_indexes;
INDEX_NAME STATUS
------------------------------ --------
SYS_IL0000077464C00001$$ VALID
IDX_T_LOB UNUSABLE
IDX_TEST2 VALID
IDX_TEST VALID
IDX_TEST1 VALID
MYTEST_UIX VALID
IDX_T_PART VALID
7 rows selected.
SQL> select object_name from dba_objects where object_name in ('SYS_IL0000077464C00001$$'); --11g中lob索引是可以在dba_objects裡找到的
OBJECT_NAME
------------------------------
SYS_IL0000077464C00001$$
SQL> select * from v$version;
BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
CORE 11.2.0.3.0 Production
TNS for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
10G:中定義 dba_objects
create or replace view DBA_OBJECTS
(OWNER, OBJECT_NAME, SUBOBJECT_NAME, OBJECT_ID, DATA_OBJECT_ID,
OBJECT_TYPE, CREATED, LAST_DDL_TIME, TIMESTAMP, STATUS,
TEMPORARY, GENERATED, SECONDARY)
as
select u.name, o.name, o.subname, o.obj#, o.dataobj#,
decode(o.type#, 0, 'NEXT OBJECT', 1, 'INDEX', 2, 'TABLE', 3, 'CLUSTER',
4, 'VIEW', 5, 'SYNONYM', 6, 'SEQUENCE',
7, 'PROCEDURE', 8, 'FUNCTION', 9, 'PACKAGE',
11, 'PACKAGE BODY', 12, 'TRIGGER',
13, 'TYPE', 14, 'TYPE BODY',
19, 'TABLE PARTITION', 20, 'INDEX PARTITION', 21, 'LOB',
22, 'LIBRARY', 23, 'DIRECTORY', 24, 'QUEUE',
28, 'JAVA SOURCE', 29, 'JAVA CLASS', 30, 'JAVA RESOURCE',
32, 'INDEXTYPE', 33, 'OPERATOR',
34, 'TABLE SUBPARTITION', 35, 'INDEX SUBPARTITION',
40, 'LOB PARTITION', 41, 'LOB SUBPARTITION',
42, NVL((SELECT distinct 'REWRITE EQUIVALENCE'
FROM sum$ s
WHERE s.obj#=o.obj#
and bitand(s.xpflags, 8388608) = 8388608),
'MATERIALIZED VIEW'),
43, 'DIMENSION',
44, 'CONTEXT', 46, 'RULE SET', 47, 'RESOURCE PLAN',
48, 'CONSUMER GROUP',
51, 'SUBSCRIPTION', 52, 'LOCATION',
55, 'XML SCHEMA', 56, 'JAVA DATA',
57, 'SECURITY PROFILE', 59, 'RULE',
60, 'CAPTURE', 61, 'APPLY',
62, 'EVALUATION CONTEXT',
66, 'JOB', 67, 'PROGRAM', 68, 'JOB CLASS', 69, 'WINDOW',
72, 'WINDOW GROUP', 74, 'SCHEDULE', 79, 'CHAIN',
81, 'FILE GROUP',
'UNDEFINED'),
o.ctime, o.mtime,
to_char(o.stime, 'YYYY-MM-DD:HH24:MI:SS'),
decode(o.status, 0, 'N/A', 1, 'VALID', 'INVALID'),
decode(bitand(o.flags, 2), 0, 'N', 2, 'Y', 'N'),
decode(bitand(o.flags, 4), 0, 'N', 4, 'Y', 'N'),
decode(bitand(o.flags, 16), 0, 'N', 16, 'Y', 'N')
from sys.obj$ o, sys.user$ u
where o.owner# = u.user#
and o.linkname is null
and (o.type# not in (1 /* INDEX - handled below */,
10 /* NON-EXISTENT */)
or
(o.type# = 1 and 1 = (select 1
from sys.ind$ i
where i.obj# = o.obj#
and i.type# in (1, 2, 3, 4, 6, 7, 9))))
and o.name != '_NEXT_OBJECT'
and o.name != '_default_auditing_options_'
and bitand(o.flags, 128) = 0
union all
select u.name, l.name, NULL, to_number(null), to_number(null),
'DATABASE LINK',
l.ctime, to_date(null), NULL, 'VALID','N','N', 'N'
from sys.link$ l, sys.user$ u
where l.owner# = u.user#
11G中 dba_objects 定義：
create or replace view DBA_OBJECTS
(OWNER, OBJECT_NAME, SUBOBJECT_NAME, OBJECT_ID, DATA_OBJECT_ID,
OBJECT_TYPE, CREATED, LAST_DDL_TIME, TIMESTAMP, STATUS,
TEMPORARY, GENERATED, SECONDARY, NAMESPACE, EDITION_NAME)
as
select u.name, o.name, o.subname, o.obj#, o.dataobj#,
decode(o.type#, 0, 'NEXT OBJECT', 1, 'INDEX', 2, 'TABLE', 3, 'CLUSTER',
4, 'VIEW', 5, 'SYNONYM', 6, 'SEQUENCE',
7, 'PROCEDURE', 8, 'FUNCTION', 9, 'PACKAGE',
11, 'PACKAGE BODY', 12, 'TRIGGER',
13, 'TYPE', 14, 'TYPE BODY',
19, 'TABLE PARTITION', 20, 'INDEX PARTITION', 21, 'LOB',
22, 'LIBRARY', 23, 'DIRECTORY', 24, 'QUEUE',
28, 'JAVA SOURCE', 29, 'JAVA CLASS', 30, 'JAVA RESOURCE',
32, 'INDEXTYPE', 33, 'OPERATOR',
34, 'TABLE SUBPARTITION', 35, 'INDEX SUBPARTITION',
40, 'LOB PARTITION', 41, 'LOB SUBPARTITION',
42, NVL((SELECT 'REWRITE EQUIVALENCE'
FROM sum$ s
WHERE s.obj#=o.obj#
and bitand(s.xpflags, 8388608) = 8388608),
'MATERIALIZED VIEW'),
43, 'DIMENSION',
44, 'CONTEXT', 46, 'RULE SET', 47, 'RESOURCE PLAN',
48, 'CONSUMER GROUP',
51, 'SUBSCRIPTION', 52, 'LOCATION',
55, 'XML SCHEMA', 56, 'JAVA DATA',
57, 'EDITION', 59, 'RULE',
60, 'CAPTURE', 61, 'APPLY',
62, 'EVALUATION CONTEXT',
66, 'JOB', 67, 'PROGRAM', 68, 'JOB CLASS', 69, 'WINDOW',
72, 'SCHEDULER GROUP', 74, 'SCHEDULE', 79, 'CHAIN',
81, 'FILE GROUP', 82, 'MINING MODEL', 87, 'ASSEMBLY',
90, 'CREDENTIAL', 92, 'CUBE DIMENSION', 93, 'CUBE',
94, 'MEASURE FOLDER', 95, 'CUBE BUILD PROCESS',
100, 'FILE WATCHER', 101, 'DESTINATION',
'UNDEFINED'),
o.ctime, o.mtime,
to_char(o.stime, 'YYYY-MM-DD:HH24:MI:SS'),
decode(o.status, 0, 'N/A', 1, 'VALID', 'INVALID'),
decode(bitand(o.flags, 2), 0, 'N', 2, 'Y', 'N'),
decode(bitand(o.flags, 4), 0, 'N', 4, 'Y', 'N'),
decode(bitand(o.flags, 16), 0, 'N', 16, 'Y', 'N'),
o.namespace,
o.defining_edition
from sys."_CURRENT_EDITION_OBJ" o, sys.user$ u
where o.owner# = u.user#
and o.linkname is null
and o.type# != 10 /* NON-EXISTENT */
and o.name != '_NEXT_OBJECT'
and o.name != '_default_auditing_options_'
and bitand(o.flags, 128) = 0
union all
select u.name, l.name, NULL, to_number(null), to_number(null),
'DATABASE LINK',
l.ctime, to_date(null), NULL, 'VALID','N','N', 'N', NULL, NULL
from sys.link$ l, sys.user$ u
where l.owner# = u.user#
因為 在10g的定義中，(select 1
from sys.ind$ i
where i.obj# = o.obj#
and i.type# in (1, 2, 3, 4, 6, 7, 9) 這裡沒有8 ， 8 是LOB型別的索引，所以沒
bysong
11g中可以找到.
--從不同版本dba_objects的定義中可以看出，是type#這個欄位的不同造成的
10G:
SQL> drop table t_lob;
Table dropped.
SQL> create table t_lob (id clob,name varchar2(10));
Table created.
SQL> insert into t_lob values ('1','ss');
1 row created.
SQL> commit;
Commit complete.
SQL> create index idx_t_lob on t_lob(name);
Index created.
SQL> select index_name,status from user_indexes
2 ;
INDEX_NAME STATUS
------------------------------------------------------------ ----------------
SYS_IL0000053726C00001$$ VALID
IDX_T_LOB VALID
MYTEST_UIX VALID
SYS_C005282 VALID
IND_T VALID
SQL> select * from dba_objects where object_name='SYS_IL0000053726C00001$$'; --這裡沒有lob索引的物件
no rows selected
SQL> select name from sys.obj$ where name='SYS_IL0000053726C00001$$'; --在基表中是有的，那麼就應該是dba_objects這個定義的和11g中的不一樣
NAME
------------------------------------------------------------
SYS_IL0000053726C00001$$
SQL> select * from v$version;
BANNER
--------------------------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi
PL/SQL Release 10.2.0.4.0 - Production
CORE 10.2.0.4.0 Production
TNS for Linux: Version 10.2.0.4.0 - Production
NLSRTL Version 10.2.0.4.0 - Production
11G:
SQL> select index_name,status from user_indexes;
INDEX_NAME STATUS
------------------------------ --------
SYS_IL0000077464C00001$$ VALID
IDX_T_LOB UNUSABLE
IDX_TEST2 VALID
IDX_TEST VALID
IDX_TEST1 VALID
MYTEST_UIX VALID
IDX_T_PART VALID
7 rows selected.
SQL> select object_name from dba_objects where object_name in ('SYS_IL0000077464C00001$$'); --11g中lob索引是可以在dba_objects裡找到的
OBJECT_NAME
------------------------------
SYS_IL0000077464C00001$$
SQL> select * from v$version;
BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
CORE 11.2.0.3.0 Production
TNS for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
10G:中定義 dba_objects
create or replace view DBA_OBJECTS
(OWNER, OBJECT_NAME, SUBOBJECT_NAME, OBJECT_ID, DATA_OBJECT_ID,
OBJECT_TYPE, CREATED, LAST_DDL_TIME, TIMESTAMP, STATUS,
TEMPORARY, GENERATED, SECONDARY)
as
select u.name, o.name, o.subname, o.obj#, o.dataobj#,
decode(o.type#, 0, 'NEXT OBJECT', 1, 'INDEX', 2, 'TABLE', 3, 'CLUSTER',
4, 'VIEW', 5, 'SYNONYM', 6, 'SEQUENCE',
7, 'PROCEDURE', 8, 'FUNCTION', 9, 'PACKAGE',
11, 'PACKAGE BODY', 12, 'TRIGGER',
13, 'TYPE', 14, 'TYPE BODY',
19, 'TABLE PARTITION', 20, 'INDEX PARTITION', 21, 'LOB',
22, 'LIBRARY', 23, 'DIRECTORY', 24, 'QUEUE',
28, 'JAVA SOURCE', 29, 'JAVA CLASS', 30, 'JAVA RESOURCE',
32, 'INDEXTYPE', 33, 'OPERATOR',
34, 'TABLE SUBPARTITION', 35, 'INDEX SUBPARTITION',
40, 'LOB PARTITION', 41, 'LOB SUBPARTITION',
42, NVL((SELECT distinct 'REWRITE EQUIVALENCE'
FROM sum$ s
WHERE s.obj#=o.obj#
and bitand(s.xpflags, 8388608) = 8388608),
'MATERIALIZED VIEW'),
43, 'DIMENSION',
44, 'CONTEXT', 46, 'RULE SET', 47, 'RESOURCE PLAN',
48, 'CONSUMER GROUP',
51, 'SUBSCRIPTION', 52, 'LOCATION',
55, 'XML SCHEMA', 56, 'JAVA DATA',
57, 'SECURITY PROFILE', 59, 'RULE',
60, 'CAPTURE', 61, 'APPLY',
62, 'EVALUATION CONTEXT',
66, 'JOB', 67, 'PROGRAM', 68, 'JOB CLASS', 69, 'WINDOW',
72, 'WINDOW GROUP', 74, 'SCHEDULE', 79, 'CHAIN',
81, 'FILE GROUP',
'UNDEFINED'),
o.ctime, o.mtime,
to_char(o.stime, 'YYYY-MM-DD:HH24:MI:SS'),
decode(o.status, 0, 'N/A', 1, 'VALID', 'INVALID'),
decode(bitand(o.flags, 2), 0, 'N', 2, 'Y', 'N'),
decode(bitand(o.flags, 4), 0, 'N', 4, 'Y', 'N'),
decode(bitand(o.flags, 16), 0, 'N', 16, 'Y', 'N')
from sys.obj$ o, sys.user$ u
where o.owner# = u.user#
and o.linkname is null
and (o.type# not in (1 /* INDEX - handled below */,
10 /* NON-EXISTENT */)
or
(o.type# = 1 and 1 = (select 1
from sys.ind$ i
where i.obj# = o.obj#
and i.type# in (1, 2, 3, 4, 6, 7, 9))))
and o.name != '_NEXT_OBJECT'
and o.name != '_default_auditing_options_'
and bitand(o.flags, 128) = 0
union all
select u.name, l.name, NULL, to_number(null), to_number(null),
'DATABASE LINK',
l.ctime, to_date(null), NULL, 'VALID','N','N', 'N'
from sys.link$ l, sys.user$ u
where l.owner# = u.user#
11G中 dba_objects 定義：
create or replace view DBA_OBJECTS
(OWNER, OBJECT_NAME, SUBOBJECT_NAME, OBJECT_ID, DATA_OBJECT_ID,
OBJECT_TYPE, CREATED, LAST_DDL_TIME, TIMESTAMP, STATUS,
TEMPORARY, GENERATED, SECONDARY, NAMESPACE, EDITION_NAME)
as
select u.name, o.name, o.subname, o.obj#, o.dataobj#,
decode(o.type#, 0, 'NEXT OBJECT', 1, 'INDEX', 2, 'TABLE', 3, 'CLUSTER',
4, 'VIEW', 5, 'SYNONYM', 6, 'SEQUENCE',
7, 'PROCEDURE', 8, 'FUNCTION', 9, 'PACKAGE',
11, 'PACKAGE BODY', 12, 'TRIGGER',
13, 'TYPE', 14, 'TYPE BODY',
19, 'TABLE PARTITION', 20, 'INDEX PARTITION', 21, 'LOB',
22, 'LIBRARY', 23, 'DIRECTORY', 24, 'QUEUE',
28, 'JAVA SOURCE', 29, 'JAVA CLASS', 30, 'JAVA RESOURCE',
32, 'INDEXTYPE', 33, 'OPERATOR',
34, 'TABLE SUBPARTITION', 35, 'INDEX SUBPARTITION',
40, 'LOB PARTITION', 41, 'LOB SUBPARTITION',
42, NVL((SELECT 'REWRITE EQUIVALENCE'
FROM sum$ s
WHERE s.obj#=o.obj#
and bitand(s.xpflags, 8388608) = 8388608),
'MATERIALIZED VIEW'),
43, 'DIMENSION',
44, 'CONTEXT', 46, 'RULE SET', 47, 'RESOURCE PLAN',
48, 'CONSUMER GROUP',
51, 'SUBSCRIPTION', 52, 'LOCATION',
55, 'XML SCHEMA', 56, 'JAVA DATA',
57, 'EDITION', 59, 'RULE',
60, 'CAPTURE', 61, 'APPLY',
62, 'EVALUATION CONTEXT',
66, 'JOB', 67, 'PROGRAM', 68, 'JOB CLASS', 69, 'WINDOW',
72, 'SCHEDULER GROUP', 74, 'SCHEDULE', 79, 'CHAIN',
81, 'FILE GROUP', 82, 'MINING MODEL', 87, 'ASSEMBLY',
90, 'CREDENTIAL', 92, 'CUBE DIMENSION', 93, 'CUBE',
94, 'MEASURE FOLDER', 95, 'CUBE BUILD PROCESS',
100, 'FILE WATCHER', 101, 'DESTINATION',
'UNDEFINED'),
o.ctime, o.mtime,
to_char(o.stime, 'YYYY-MM-DD:HH24:MI:SS'),
decode(o.status, 0, 'N/A', 1, 'VALID', 'INVALID'),
decode(bitand(o.flags, 2), 0, 'N', 2, 'Y', 'N'),
decode(bitand(o.flags, 4), 0, 'N', 4, 'Y', 'N'),
decode(bitand(o.flags, 16), 0, 'N', 16, 'Y', 'N'),
o.namespace,
o.defining_edition
from sys."_CURRENT_EDITION_OBJ" o, sys.user$ u
where o.owner# = u.user#
and o.linkname is null
and o.type# != 10 /* NON-EXISTENT */
and o.name != '_NEXT_OBJECT'
and o.name != '_default_auditing_options_'
and bitand(o.flags, 128) = 0
union all
select u.name, l.name, NULL, to_number(null), to_number(null),
'DATABASE LINK',
l.ctime, to_date(null), NULL, 'VALID','N','N', 'N', NULL, NULL
from sys.link$ l, sys.user$ u
where l.owner# = u.user#
因為 在10g的定義中，(select 1
from sys.ind$ i
where i.obj# = o.obj#
and i.type# in (1, 2, 3, 4, 6, 7, 9) 這裡沒有8 ， 8 是LOB型別的索引，所以沒
bysong
來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/25099483/viewspace-1062008/，如需轉載，請註明出處，否則將追究法律責任。
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