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strict = Vertica::RETURN_NULL_ON_NULL_INPUT behavior in UDx

Hi,

When I am specifying

strict = Vertica::RETURN_NULL_ON_NULL_INPUT;

my UDx never gets any nulls. Seems to be Vertica is filtering them out before passing to my UDx.

It is a welcome behavior, but undocumented.

Can you ask developers, can I rely on UDx functionality - when Vertica::RETURN_NULL_ON_NULL_INPUT is set, null argument values are filtered out for me?

Can this behavior be documented?

Thank you!

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