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elasticsearch/docs/reference/sql/functions/system.asciidoc

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SQL: DATABASE() and USER() system functions (#35946)
2018-11-28 21:20:04 +08:00
[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()
--------------------------------------------------
SQL: documentation improvements and updates (#36918) * Added Limitations page * Made the aggregations page follow the common template for functions * Modified all tables to have the first row's cells content centered * Polishing in other various sections
2018-12-22 05:25:54 +08:00
*Input*: _none_
SQL: DATABASE() and USER() system functions (#35946)
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*Output*: string
SQL: document the use of a filter on _routing (#52355) * Fix "Description"s for various sections in the functions pages. * Added a TIP for searching using a routing key. * Other small polishings
2020-02-15 00:58:45 +08:00
*Description*: Returns the name of the database being queried. In the case of Elasticsearch SQL, this
SQL: DATABASE() and USER() system functions (#35946)
2018-11-28 21:20:04 +08:00
is the name of the Elasticsearch cluster. This function should always return a non-null
value.
[DOCS] Remove unneeded options from `[source,sql]` code blocks (#42759) In AsciiDoc, `subs="attributes,callouts,macros"` options were required to render `include-tagged::` in a code block. With elastic/docs#827, Elasticsearch Reference documentation migrated from AsciiDoc to Asciidoctor. In Asciidoctor, the `subs="attributes,callouts,macros"` options are no longer needed to render `include-tagged::` in a code block. This commit removes those unneeded options. Resolves #41589
2019-06-01 01:03:41 +08:00
[source, sql]
SQL: DATABASE() and USER() system functions (#35946)
2018-11-28 21:20:04 +08:00
--------------------------------------------------
SQL: Spec tests now use classpath discovery (#40388) To avoid having to specify each spec by hand (which can miss specs to be added), the test infrastructure now performs classpath discovery so that each spec added, is automatically considered. Relates #40358
2019-03-25 21:22:59 +08:00
include-tagged::{sql-specs}/docs/docs.csv-spec[database]
SQL: DATABASE() and USER() system functions (#35946)
2018-11-28 21:20:04 +08:00
--------------------------------------------------
[[sql-functions-system-user]]
==== `USER`
.Synopsis:
[source, sql]
--------------------------------------------------
USER()
--------------------------------------------------
SQL: documentation improvements and updates (#36918) * Added Limitations page * Made the aggregations page follow the common template for functions * Modified all tables to have the first row's cells content centered * Polishing in other various sections
2018-12-22 05:25:54 +08:00
*Input*: _none_
SQL: DATABASE() and USER() system functions (#35946)
2018-11-28 21:20:04 +08:00
*Output*: string
SQL: document the use of a filter on _routing (#52355) * Fix "Description"s for various sections in the functions pages. * Added a TIP for searching using a routing key. * Other small polishings
2020-02-15 00:58:45 +08:00
*Description*: Returns the username of the authenticated user executing the query. This function can
[DOCS] Overhaul TLS security docs (#68946) * Removing security overview and condensing. * Adding new security file. * Minor changes. * Removing link to pass build. * Adding minimal security page. * Adding minimal security page. * Changes to intro. * Add basic and basic + http configurations. * Lots of changes, removed files, and redirects. * Moving some AD and LDAP sections, plus more redirects. * Redirects for SAML. * Updating snippet languages and redirects. * Adding another SAML redirect. * Hopefully fixing the ci/2 error. * Fixing another broken link for SAML. * Adding what's next sections and some cleanup. * Removes both security tutorials from the TOC. * Adding redirect for removed tutorial. * Add graphic for Elastic Security layers. * Incorporating reviewer feedback. * Update x-pack/docs/en/security/securing-communications/security-basic-setup.asciidoc Co-authored-by: Ioannis Kakavas <ikakavas@protonmail.com> * Update x-pack/docs/en/security/securing-communications/security-minimal-setup.asciidoc Co-authored-by: Yang Wang <ywangd@gmail.com> * Update x-pack/docs/en/security/securing-communications/security-basic-setup.asciidoc Co-authored-by: Yang Wang <ywangd@gmail.com> * Update x-pack/docs/en/security/index.asciidoc Co-authored-by: Ioannis Kakavas <ikakavas@protonmail.com> * Update x-pack/docs/en/security/securing-communications/security-basic-setup-https.asciidoc Co-authored-by: Ioannis Kakavas <ikakavas@protonmail.com> * Apply suggestions from code review Co-authored-by: Ioannis Kakavas <ikakavas@protonmail.com> Co-authored-by: Yang Wang <ywangd@gmail.com> * Additional changes from review feedback. * Incorporating reviewer feedback. * Incorporating more reviewer feedback. * Clarify that TLS is for authenticating nodes Co-authored-by: Tim Vernum <tim@adjective.org> * Clarify security between nodes Co-authored-by: Tim Vernum <tim@adjective.org> * Clarify that TLS is between nodes Co-authored-by: Tim Vernum <tim@adjective.org> * Update title for configuring Kibana with a password Co-authored-by: Tim Vernum <tim@adjective.org> * Move section for enabling passwords between Kibana and ES to minimal security. * Add section for transport description, plus incorporate more reviewer feedback. * Moving operator privileges lower in the navigation. Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com> Co-authored-by: Ioannis Kakavas <ikakavas@protonmail.com> Co-authored-by: Yang Wang <ywangd@gmail.com> Co-authored-by: Tim Vernum <tim@adjective.org>
2021-03-25 23:54:39 +08:00
return `null` in case <<configuring-stack-security,security>> is disabled.
SQL: DATABASE() and USER() system functions (#35946)
2018-11-28 21:20:04 +08:00
[DOCS] Remove unneeded options from `[source,sql]` code blocks (#42759) In AsciiDoc, `subs="attributes,callouts,macros"` options were required to render `include-tagged::` in a code block. With elastic/docs#827, Elasticsearch Reference documentation migrated from AsciiDoc to Asciidoctor. In Asciidoctor, the `subs="attributes,callouts,macros"` options are no longer needed to render `include-tagged::` in a code block. This commit removes those unneeded options. Resolves #41589
2019-06-01 01:03:41 +08:00
[source, sql]
SQL: DATABASE() and USER() system functions (#35946)
2018-11-28 21:20:04 +08:00
--------------------------------------------------
SQL: Spec tests now use classpath discovery (#40388) To avoid having to specify each spec by hand (which can miss specs to be added), the test infrastructure now performs classpath discovery so that each spec added, is automatically considered. Relates #40358
2019-03-25 21:22:59 +08:00
include-tagged::{sql-specs}/docs/docs.csv-spec[user]
SQL: DATABASE() and USER() system functions (#35946)
2018-11-28 21:20:04 +08:00
--------------------------------------------------