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Forum
3

JPA query of a Set of terms

SearchIndex { @Index SearchTerm term; @Index Page page; } Now suppose I have an array ... ).setParameter("t2", t2); By the way, since ObjectDB supports indexed collections you may also consider a simpler schema, with no intermediate SearchIndex class: @Entity public class Page { @Index List
Forum
3

Nexus proxy repository with ObjectDB

Storage Location: http://m2.objectdb.com Download Indexes, Auto Blocking, File Validation all set ... ] admin org.sonatype.nexus.index.DefaultIndexerManager - Trying to get remote index for repository ... ] admin org.sonatype.nexus.index.DefaultIndexerManager - Cannot fetch remote index for repository
Forum
3

performance limit

, what when we will have few milion records, how to handle this. Everything is set to lazy loading, we tried indexing ... range. Regards.   With proper indexes defined, queries on millions of objects should take only milliseconds. There could be several reasons for slow query execution, including indexes that are not in use
Issue
3

Database access error , Doctor hanging on trying to repair, production shutdown at our biggest customer

------------------- [1] Page #16748245 has a non first section entry (at entry 1). Index Errors ------------ [1] Index com.agile.hummingbird.ObjectProperty[doubleValue] requires rebuild.   - has 0 entries instead of 1 [2] Index com.agile.hummingbird.ObjectProperty[name] requires rebuild.   - has 0 entries
Forum
3

collection of embedded objects

always. Is there any advantage to indexing collections of @Embeddable objects? ie. Suppose I want to query ... clearly need an index on B.value. Do I gain anything from an index on A.set? You cannot define an ordinary index on a field whose type is a user defined embeddable class or a collection of user
JDO Doc
3

Indices.value

Annotation Element javax.jdo.annotations.Indices Index[] value The indices Returns: The indices Since: JDO 2.1
Forum
3

How to create a Unique constraint?

Account { @Id @GeneratedValue private long id; @Index(unique="true ...  index is added to an entity class that already has instances in the database - the index starts as inactive. To activate it you need to rebuild the index. Currently the only way to activate the index
Issue
3

Sort of very large objects - out of memory

index can solve the problem: @Entity     @Index(members={"priority", "createTime"})     public static class Message { If there is an index that covers all the fields that are in use in the query and it is much smaller than the complete data (since the huge strings are excluded) the index is used
Forum
3

2.7.3_03 Erroneous "Attempt to modify a primary key of a managed object"

, but why do you duplicate the primary key into an additional indexed field? Primary key fields are already indexed (and with a primary index, which is usually more powerful), so what are the benefits of having that additional indexed field? Textual letter case.  I have an index on the exact case
Forum
2

ArrayIndexOutOfBoundsException

? Are there any errors except indexes that have to rebuilt? Type version #4 in a new database is unexpected ... (total) Analyzing database structure... 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Index Errors ------------ [1] Index com.contextspace.datamodel.attribute.AttributeValue[name] requires rebuild