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Tilmann Zäschke updated JDO-751: -------------------------------- Comment: was deleted (was: @Craig Sorry, I think overlooked your post. You raised an excellent point about JDOQL that return {{false}} if one in {{person.address.postcode}} is {{null}}. So this would for example answer point e) (we disallow Optional<Optional<>>), and c) (return {{false}}). I think it leaves points a) metadata (Renato's point), and b)/d) about comparison to {{null}}/{{empty}}. Disallowing comparison to {{null}} could have quite some impact I suppose... ) > Support for Java8 Optional > -------------------------- > > Key: JDO-751 > URL: https://issues.apache.org/jira/browse/JDO-751 > Project: JDO > Issue Type: New Feature > Components: specification, tck > Reporter: Andy Jefferson > > java.util.Optional provides a feature that is available in other languages. > Since JDO 3.2 will be for Java8+ then it makes sense to add support for this > as a "supported persistable type" -- This message was sent by Atlassian JIRA (v6.3.4#6332)