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
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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