System Functions
System Functions
These functions return metadata type of information about the system being queried.
DATABASE
Synopsis:
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.
SELECT DATABASE();
DATABASE
---------------
elasticsearch
USER
Synopsis:
USER()
Input: none
Output: string
Description: Returns the username of the authenticated user executing the query. This function can return null
in case security is disabled.
SELECT USER();
USER
---------------
elastic
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