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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