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Native ObjectDB Support for EnumSet ?

/JPQL query for example: SELECT e FROM MyEntity e JOIN e.enumSet item WHERE item = :arg support Support

Calculating age in query?

? thanks! Alex quasado Alexander Adam You can use a JPQL query with a simple date comparison: SELECT p

Multi-Threading/Distributed-Database Questions...

Greetings ObjectDB team, All below questions assume a very large database (~1,000,000,000 objects): Q1: In what cases would ObjectDB utilize multi-threading ? how about in JOIN operations ? Q2: Is it true that two read-only JPQL queries accessing the same database file actually run simultaneously

Reporting Engine?

New to java and objectdb - I am looking for a reporting engine to use with objectdb. Would birt work or is there something better matched? I am ideally looking for something template based with external template designer to customize the template. kevine Kevin Elbury Basic support of JPQL / EJB QL

Object comparation never matches

/jpa/query/jpql/comparison Section "Comparable Data Types" Comparison is supported for values

Navigation through Path to evaluate collection

this (not valid JPQL but may be supported by ObjectDB): SELECT item FROM ProductData item WHERE item

Spatial queries with ObjectDB

queries to provide your own spatial extension to JPQL. Obviously this is not a complete solution but it could be considered for minor spatial needs. support Support

Is named-query supported in orm.xml

I prefer to keep custom JPQL named queries in an external file, e.g. orm.xml, rather than in the entity classes, for example: <named-query name= "DataValue.deleteByCapabilityAndCreationtime"> <query>delete from DataValue d where d.capabilityId = :capabilityId

Strange Error with Criteria API and Sorting

the ORDER BY clause". This is not just an ObjectDB limitation but a known JPQL and also SQL limitation

Update query bug

.Main.main(Main.java:22) Martynas Martynas This UPDATE query is invalid because JPQL UPDATE queries

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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