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https://issues.apache.org/jira/browse/OPENJPA-3044?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Zowalla updated OPENJPA-3044:
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Fix Version/s: 4.2.0
> JPQL does not accept a sign in front of a path, e.g. SELECT -n.intA
> -------------------------------------------------------------------
>
> Key: OPENJPA-3044
> URL: https://issues.apache.org/jira/browse/OPENJPA-3044
> Project: OpenJPA
> Issue Type: Sub-task
> Reporter: Richard Zowalla
> Priority: Major
> Fix For: 4.2.0
>
>
> JPQL does not accept a sign in front of a path or other arithmetic primary:
> {code}
> SELECT -n.intA FROM NumericOperands n
> {code}
> fails to parse. The JPQL grammar ({{JPQL.jjt}}) only allows a sign on numeric
> literals ({{negative()}}); {{arithmetic_factor}} has no optional sign. The
> Jakarta Persistence BNF defines {{arithmetic_factor ::= [{+ | -}]
> arithmetic_primary}}, so {{-n.intA}}, {{-(n.a + n.b)}} and {{+n.intA}} should
> be valid. The criteria API ({{cb.neg(x)}}) works.
> Found while working on OPENJPA-3035.
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