mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-13 01:41:59 +00:00
7a6023d613
Поправил описание некоторых столбцов.
4.4 KiB
4.4 KiB
system.session_log
Contains information about all successful and failed login and logout events.
Columns:
type
(Enum8) — Login/logout result. Possible values:LoginFailure
— Login error.LoginSuccess
— Successful login.Logout
— Logout from the system.
auth_id
(UUID) — Authentication ID, which is a UUID that is automatically generated each time user logins.session_id
(String) — Session ID that is passed by client via HTTP interface.event_date
(Date) — Login/logout date.event_time
(DateTime) — Login/logout time.event_time_microseconds
(DateTime64) — Login/logout starting time with microseconds precision.user
(String) — User name.auth_type
(Enum8) — The authentication type. Possible values:NO_PASSWORD
PLAINTEXT_PASSWORD
SHA256_PASSWORD
DOUBLE_SHA1_PASSWORD
LDAP
KERBEROS
profiles
(Array(LowCardinality(String))) — The list of profiles set for all roles and/or users.roles
(Array(LowCardinality(String))) — The list of roles to which the profile is applied.settings
(Array(Tuple(LowCardinality(String), String))) — Settings that were changed when the client logged in/out.client_address
(IPv6) — The IP address that was used to log in/out.client_port
(UInt16) — The client port that was used to log in/out.interface
(Enum8) — The interface from which the login was initiated. Possible values:TCP
HTTP
gRPC
MySQL
PostgreSQL
client_hostname
(String) — The hostname of the client machine where the clickhouse-client or another TCP client is run.client_name
(String) — Theclickhouse-client
or another TCP client name.client_revision
(UInt32) — Revision of theclickhouse-client
or another TCP client.client_version_major
(UInt32) — The major version of theclickhouse-client
or another TCP client.client_version_minor
(UInt32) — The minor version of theclickhouse-client
or another TCP client.client_version_patch
(UInt32) — Patch component of theclickhouse-client
or another TCP client version.failure_reason
(String) — The exception message containing the reason for the login/logout failure.
Example
Query:
SELECT * FROM system.session_log LIMIT 1 FORMAT Vertical;
Result:
Row 1:
──────
type: LoginSuccess
auth_id: 45e6bd83-b4aa-4a23-85e6-bd83b4aa1a23
session_id:
event_date: 2021-10-14
event_time: 2021-10-14 20:33:52
event_time_microseconds: 2021-10-14 20:33:52.104247
user: default
auth_type: PLAINTEXT_PASSWORD
profiles: ['default']
roles: []
settings: [('load_balancing','random'),('max_memory_usage','10000000000')]
client_address: ::ffff:127.0.0.1
client_port: 38490
interface: TCP
client_hostname:
client_name: ClickHouse client
client_revision: 54449
client_version_major: 21
client_version_minor: 10
client_version_patch: 0
failure_reason: