CURRENT_CATALOG | 当前数据库 | | testdb=# SELECT CURRENT_CATALOG;
current_database
------------------
testdb
(1 row)
|
|
CURRENT_ROLE | 当前用户 | | openGauss=# SELECT CURRENT_ROLE;
current_user
--------------
omm
(1 row)
|
|
CURRENT_SCHEMA | 当前数据库模式 | | openGauss=# SELECT CURRENT_SCHEMA;
current_schema
----------------
public
(1 row)
|
|
CURRENT_USER | 当前用户 | | openGauss=# SELECT CURRENT_USER;
current_user
--------------
omm
(1 row)
|
|
LOCALTIMESTAMP | 当前会话时间（无时区） | | openGauss=# SELECT LOCALTIMESTAMP;
timestamp
----------------------------
2015-10-10 15:37:30.968538
(1 row)
|
|
NULL | 空值 | - |
SESSION_USER | 当前系统用户 | | openGauss=# SELECT SESSION_USER;
session_user
--------------
omm
(1 row)
|
|
SYSDATE | 当前系统日期 | | openGauss=# SELECT SYSDATE;
sysdate
---------------------
2015-10-10 15:48:53
(1 row)
|
|
USER | 当前用户，此用户为CURRENT_USER的别名。 | | openGauss=# SELECT USER;
current_user
--------------
omm
(1 row)
|
|
