COALESCE
Deprecated version
This document refers to a deprecated version of the RQL programming language.
Please go here for documentation related to the latest supported version.
Returns the first non-nullable argument if any or null otherwise.
Syntax
COALESCE(<expression1>, ...)
Example
COALESCE(NULL, NULL, 3, 4) // 3
COALESCE(NULL, NULL, NULL) // NULL