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