[hibernate-issues] [Hibernate-JIRA] Commented: (HSEARCH-115) Add a default value for indexing null value
Emmanuel Bernard (JIRA)
noreply at atlassian.com
Tue Nov 2 06:30:51 EDT 2010
[ http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=38969#action_38969 ]
Emmanuel Bernard commented on HSEARCH-115:
------------------------------------------
When I looked last week I thought there was an issue and that was not covering all cases. I don't remember though.
But I was in a different mindset, I could have been wrong.
> 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
> Assignee: Hardy Ferentschik
> Fix For: 3.3.0
>
>
> 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
> {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}
> What do you think about that ?
> Ps: sorry for english write, i am a french guy.
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