About index

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Forum
29

Date field Index is corrupted due to time change

time based indexed data). It is unclear yet how exactly this happened. Apparently we found the bug, which affects indexes on pure Date fields (i.e. date with no time). ObjectDB converts pure date values ... (with no time) to the database the TimeZone.getOffset method changes. It could be any date, but the index
Forum
29

index - data rewrite

Hi we have found that applying indexes on an existing table erases the data. Are we doing something wrong. Thanks Starting version 2.6.6 ObjectDB automatically activates new defined indexes. In earlier versions new indexes had no effect until the database was rebuilt using the Doctor. What ObjectDB
Forum
29

Index on map key

Is there a way to create an Index with @Index on the key of a map? Indexes on map keys as well as ... .annotations.Index; import javax.persistence.*; public class T1255 {     public static void ... : " + ms + "ms");         em.close();                 emf.close();     }     @Entity     @Index
Issue
29

Indexes broken after schema update

an existing one and I get 0 results when trying to query by an existing index(that still exists) and the below errors in the logs. I can query the object fine by non-indexed fields and by the @Id.   [2012-08-19 19:42:25 #74 store] *** Attempt to remove a non existing index entry: [2012-08-19 19:42:25
Forum
29

New Index causing troubles

Hello, we introduced a new index upon a String field Order.typeName, added to package.jdo as ... >
Issue
28

Exception upon index definition change

   index;     private String role; } @Index (members = {"refs.role", "refs.index"}) @Entity ... this is related to my ticket http://www.objectdb.com/database/support/636. I think index changes should never cause the application to stop. Even the Doctor does not run anymore using this index definition
Forum
28

Indexing a field results in internal Exception

a problem with indexing. An index on a String field is required to give good performance but if I add the @Index annotation to the field I eventually end up with an ObjectDB internal exception.  This is reproducible, as is the program running to completion (slowly) if I remove the @Index annotation
Forum
28

Slow searching with two indexes

a performance problem using two indexes.  An entity I'm querying has two indexed fields ... : select from Thing where reference == :objectReference order by id desc when an index is defined on the reference field should use that index and avoid a full scan. Does it run fast if the ORDER BY
Forum
28

Temporary disabling of indexes?

When populating a large database with objects that have indexed fields takes very much longer than populating the database with those objects if the index definitions are removed.  Is it possible to indicate in some way that for a particular use of the database indexes are to be ignored
Issue
28

Index Rebuilder

When a new index is added to an existing entity classes that already has instances in the database ... data. The Index Rebuilder tool will enable rebuilding indexes, synchronizing their data ... , in which such new indexes will be enabled. Version 2.6.6 introduces a built in automatic builder