ROWID类型函数

描述：获取rowid的table_oid值。

参数：rowid

返回值类型：oid

示例：

gaussdb=# CREATE DATABASE ora_test DBCOMPATIBILITY='ORA';
CREATE DATABASE
gaussdb=# \c ora_test
Non-SSL connection (SSL connection is recommended when requiring high-security)
You are now connected to database "ora" as user "$user".
ora_test=# SELECT rowid_tableoid('AAAAAAAAAP//BBBBBAAAAAAAAAAAC');
 rowid_tableoid 
----------------
     1090785344
(1 row)
ora_test=# \c postgres
Non-SSL connection (SSL connection is recommended when requiring high-security)
You are now connected to database "postgres" as user "$user".
gaussdb=# DROP DATABASE ora_test;
DROP DATABASE

描述：获取rowid的row_no值。

参数：rowid

返回值类型：int8

示例：

gaussdb=# CREATE DATABASE ora_test DBCOMPATIBILITY='ORA';
CREATE DATABASE
gaussdb=# \c ora_test
Non-SSL connection (SSL connection is recommended when requiring high-security)
You are now connected to database "ora" as user "$user".
ora_test=# SELECT rowid_sequence('AAAAAAAAAP//BBBBBAAAAAAAAAAAC');
 rowid_sequence 
----------------
              2
(1 row)
ora_test=# \c postgres
Non-SSL connection (SSL connection is recommended when requiring high-security)
You are now connected to database "postgres" as user "$user".
gaussdb=# DROP DATABASE ora_test;
DROP DATABASE

描述：获取rowid的node_slice值。

参数：rowid

返回值类型：int2

示例：

gaussdb=# CREATE DATABASE ora_test DBCOMPATIBILITY='ORA';
CREATE DATABASE
gaussdb=# \c ora_test
Non-SSL connection (SSL connection is recommended when requiring high-security)
You are now connected to database "ora" as user "$user".
ora_test=# SELECT rowid_nodeid('AAAAAAAAAP//BBBBBAAAAAAAAAAAC');
 rowid_nodeid 
--------------
            0
(1 row)
ora_test=# \c postgres
Non-SSL connection (SSL connection is recommended when requiring high-security)
You are now connected to database "postgres" as user "$user".
gaussdb=# DROP DATABASE ora_test;
DROP DATABASE

描述：获取rowid的bucket_id值。

参数：rowid

返回值类型：int2

示例：

gaussdb=# CREATE DATABASE ora_test DBCOMPATIBILITY='ORA';
CREATE DATABASE
gaussdb=# \c ora_test
Non-SSL connection (SSL connection is recommended when requiring high-security)
You are now connected to database "ora" as user "$user".
ora_test=# SELECT rowid_hashbucketid('AAAAAAAAAP//BBBBBAAAAAAAAAAAC');
 rowid_hashbucketid 
--------------------
                 -1
(1 row)
ora_test=# \c postgres
Non-SSL connection (SSL connection is recommended when requiring high-security)
You are now connected to database "postgres" as user "$user".
gaussdb=# DROP DATABASE ora_test;
DROP DATABASE