[hibernate-issues] [Hibernate-JIRA] Updated: (HSEARCH-115) Add a default value for indexing null value

[Emmanuel Bernard (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Emmanuel Bernard updated HSEARCH-115:
-------------------------------------

    Fix Version/s: 3.1.0
                   3.0.1

I don't know the impact, but we should at least introduce that to 3.1.0

> Add a default value for indexing null value
> -------------------------------------------
>
>                 Key: HSEARCH-115
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-115
>             Project: Hibernate Search
>          Issue Type: Improvement
>          Components: mapping
>            Reporter: Julien Brulin
>             Fix For: 3.0.1, 3.1.0
>
>
> Hi,
> Null elements are not indexed by lucene then it's not easy to use a nullable property in lucene query.
> I have a TagTranslation entity in my model with a nullable property language. In this case null is used as default language for tag translation.
> Each translation may have many variations like synonyms. 
> Because I can specified a default value for null value in the @Field annotation like this @Field(index=Index.UN_TOKENIZED, store=Store.NO, default='null'), i can't search a cat tag with a default translation like this : +value:cat* +lang:null 
> <pre></code>
> @Entity()
> @Table(name="indexing_tag_trans")
> @org.hibernate.annotations.Cache(usage=org.hibernate.annotations.CacheConcurrencyStrategy.READ_WRITE)
> @Indexed
> public class TagTranslation implements java.io.Serializable {
>     
>   
> 	private static final long serialVersionUID = -1065316566731456110L;
> 	
>     @Id
>     @GeneratedValue(strategy=GenerationType.IDENTITY)
>     @DocumentId
>     private Integer id;
>     
> 	@Field(index=Index.UN_TOKENIZED, store=Store.NO)
>     private String language;
>     
>     @Field(index=Index.TOKENIZED, store=Store.YES)
>     private String value;
>     
>     @OneToMany(cascade=CascadeType.ALL, fetch=FetchType.LAZY)
>     @org.hibernate.annotations.Fetch(org.hibernate.annotations.FetchMode.SUBSELECT)
>     @JoinColumn(name="translation_id")
>     @IndexedEmbedded
>     private List<TagVariation> variations = new LinkedList<TagVariation>();
>     
>     public TagTranslation() { }
> ...
> </code>
> </pre>
> What do you think about that ?
> Ps: sorry for english write, i am a french guy.

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