[infinispan-issues] [JBoss JIRA] (ISPN-10256) Document what needs to be configured for an attribute to be available for projection

[Gustavo Lira e Silva (Jira)]

     [ https://issues.jboss.org/browse/ISPN-10256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gustavo Lira e Silva reassigned ISPN-10256:
-------------------------------------------

    Assignee: Donald Naro  (was: Gustavo Lira e Silva)


> Document what needs to be configured for an attribute to be available for projection
> ------------------------------------------------------------------------------------
>
>                 Key: ISPN-10256
>                 URL: https://issues.jboss.org/browse/ISPN-10256
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Documentation-Query
>    Affects Versions: 9.4.14.Final
>            Reporter: Gustavo Lira e Silva
>            Assignee: Donald Naro
>            Priority: Major
>
> When we query something using containing grouping and aggregation functions we receive the exception bellow:
> {noformat}
> org.infinispan.objectfilter.ParsingException: ISPN014021: Queries containing grouping and aggregation functions must use projections.
> {noformat}
> The code used to receive this exception:
> {code:java}
> Query q = createQueryFromString("select count(u.something) from  User u where user.name = 'John' Group By u.name");
> {code}
> setProjections on QueryBuilder is deprecated and the information about how to use Projections using Query String is missing...
> Also there is a TODO in http://infinispan.org/docs/stable/user_guide/user_guide.html#projections



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