ObjectDB ObjectDB

Internal Website Search

21-30 of 200 resultsRefresh

Compiled Queries and Cache

objectdb.conf has options for query results and program cache. (objectdb.conf > database > query-cache > results and programs, https://www.objectdb.com/java/jpa/setting/database#The_query-cache_element_.) query.compile(); query.closeAll(); After code like above, are the query results and program

Issue with compile time enhancement

Issue with compile time enhancement

Pre-detach loading: retrieval by navigation not working in if statement

one: Post-compilation enhancement vs Automatic Run-time enhancement, where support wrote ... on the fly runtime enhancement is applied only to entity classes, where post compilation enhancement ... a reflective JSF view). The issue I reported (otherwise addressed by post-compile Ant task enhancement

Query Parameters in JPA

execution, because it eliminates the need for repeated query compilations. Named Parameters (:name ... literal values lead to different query strings, and each query string requires its own query compilation ... query string and use a cached compiled query program, if available. Secondly, embedding strings in

Database Management Settings

attribute specifies how many compiled query programs should be cached. Cached query programs may eliminate the need to compile queries again but the queries still have to be executed, so cached

Apache License, Version 2.0, January 2004

to compiled object code, generated documentation, and conversions to other media types. "Work" shall

[ODB1] Chapter 9 - ObjectDB Explorer

compilation fails, an error is displayed on the query form and no viewer window is opened ... classes to the database using the Explorer, first create and compile the classes externally in your IDE

[ODB1] Chapter 5 - JDO Connections

here. } Because JDOException is a subclass of RuntimeException the compiler does not force a throws declaration if code ... which handling a checked exception, such as IOException, is forced by the compiler


.newQuery(Object), which uses the query language of the compiled query template object passed ... void compile() Verify the elements of the query and provide a hint to the query to prepare ... ) is a separator and is otherwise ignored. The assignment operators =, +=, etc. and pre- and post

[ODB1] Chapter 2 - A Quick Tour

may be thrown as exceptions. Because JDOException is a subclass of RuntimeException, the compiler does not

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.

Need Help?

  1. Search ObjectDB website
  2. Read the FAQ
  3. Follow the Tutorials
  4. View or post in the forum
  5. Search or file an issue
  6. Contact support