[infinispan-issues] [JBoss JIRA] (ISPN-5780) SumAccumulator should behave according to JPA spec

[RH Bugzilla Integration (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-5780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

RH Bugzilla Integration updated ISPN-5780:
------------------------------------------
    Bugzilla References: https://bugzilla.redhat.com/show_bug.cgi?id=1270742
        Bugzilla Update: Perform


> SumAccumulator should behave according to JPA spec
> --------------------------------------------------
>
>                 Key: ISPN-5780
>                 URL: https://issues.jboss.org/browse/ISPN-5780
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Embedded Querying
>    Affects Versions: 8.0.0.Final
>            Reporter: Adrian Nistor
>            Assignee: Adrian Nistor
>             Fix For: 8.1.0.Alpha2, 8.1.0.Final, 8.0.2.Final
>
>
> Currently it just preserves the type of the field, which can easily lead to overflow. The JPA spec tries to avoid it by widening the numeric type,  see 10.2.7.4. JPQL Aggregate Functions of JPA spec here: http://docs.oracle.com/cd/E12839_01/apirefs.1111/e13946/ejb3_langref.html



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