mirror of
https://github.com/honeymoose/OpenSearch.git
synced 2025-02-07 05:28:34 +00:00
53 lines
1.4 KiB
Plaintext
53 lines
1.4 KiB
Plaintext
[role="xpack"]
|
|
[testenv="basic"]
|
|
[[sql-functions-system]]
|
|
=== System Functions
|
|
|
|
These functions return metadata type of information about the system being queried.
|
|
|
|
[[sql-functions-system-database]]
|
|
==== `DATABASE`
|
|
|
|
.Synopsis:
|
|
[source, sql]
|
|
--------------------------------------------------
|
|
DATABASE()
|
|
--------------------------------------------------
|
|
|
|
*Input*: _none_
|
|
|
|
*Output*: string
|
|
|
|
.Description:
|
|
|
|
Returns the name of the database being queried. In the case of Elasticsearch SQL, this
|
|
is the name of the Elasticsearch cluster. This function should always return a non-null
|
|
value.
|
|
|
|
["source","sql",subs="attributes,callouts,macros"]
|
|
--------------------------------------------------
|
|
include-tagged::{sql-specs}/docs.csv-spec[database]
|
|
--------------------------------------------------
|
|
|
|
[[sql-functions-system-user]]
|
|
==== `USER`
|
|
|
|
.Synopsis:
|
|
[source, sql]
|
|
--------------------------------------------------
|
|
USER()
|
|
--------------------------------------------------
|
|
*Input*: _none_
|
|
|
|
*Output*: string
|
|
|
|
.Description:
|
|
|
|
Returns the username of the authenticated user executing the query. This function can
|
|
return `null` in case {stack-ov}/elasticsearch-security.html[Security] is disabled.
|
|
|
|
["source","sql",subs="attributes,callouts,macros"]
|
|
--------------------------------------------------
|
|
include-tagged::{sql-specs}/docs.csv-spec[user]
|
|
--------------------------------------------------
|