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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

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
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

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
Forum
3

JDO sequences from ORM file

Types with Indexes -->      <index name="i1" unique="false">            index>             <index
Forum
3

Performance in SELECT statement

;     private String text5;     private Object value; // for now just Double values     @Index ... processingCount;     @Enumerated(EnumType.ORDINAL)     @Index     private EntityState entityState ... ... regards, paddy The index definition is invalid. You cannot define an index directly on a field
Forum
2

Listing large number of complicated objects with paging.

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