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login_audit_messages(flag boolean) 描述：查看登录用户的登录信息。 返回值类型：元组 示例： 查看上一次登录认证通过的日期、时间和IP等信息： 1 2 3 4 5 SELECT * FROM login_audit_messages(true); username |
认值是fence。 proshippable boolean 函数是否可以下推到DN上执行，默认值是false。 对于IMMUTABLE类型的函数，函数始终可以下推到DN上执行。 对于STABLE/VOLATILE类型的函数，仅当函数的属性是SHIPPABLE的时候，函数可以下推到DN执行。
登录此后端的用户名。 application_name text 连接到此后端的应用名。 client_addr inet 连接到此后端的客户端的IP地址。 如果此字段是null，则表示通过服务器机器上UNIX套接字连接客户端或者这是内部进程，如autovacuum。 client_hostname
ON属性是特定的角色，仅用于复制。 缺省为NOREPLICATION。 INDEPENDENT | NOINDEPENDENT 定义私有、独立的角色。具有INDEPENDENT属性的角色，管理员对其进行的控制、访问的权限被分离，具体规则如下： 未经INDEPENDENT角色授权，
程内对全库执行ANALYZE。 统计信息的回滚操作不支持PG_CLASS中相关字段的回滚。 全局临时表在每个会话的ANALYZE的统计信息独立。每个会话都有自己的统计信息。 ANALYZE|ANALYSE VERIFY用于检测数据库中普通表（行存表、列存表）的数据文件是否损坏，目前此命令暂不支持HDFS表。
ON属性是特定的用户，仅用于复制。 缺省为NOREPLICATION。 INDEPENDENT | NOINDEPENDENT 定义私有、独立的用户。具有INDEPENDENT属性的用户，管理员对其进行的控制、访问的权限被分离，具体规则如下： 未经INDEPENDENT用户授权，
"obs domain"。region_name可以为任意由大小写字母、数字、斜杠（/）或下划线组成的字符串。obs domain为OBS服务器的域名。 示例，将region_name设为rg，region_map包含的内容如："rg": "obsv3.sa-fb-1.externaldemo
great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted
great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted
great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted
great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted
great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted
great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted
great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted
great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted
great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted
great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted
great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted
great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted
great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted
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