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6

Unexpected internal exception during set field of an Embeddable to null

and debugging I hope that I found a important hint. The stack trace has been reduced to very (by the printer
6

Set timeout for BatchQueryItr

( unknown source ) xirt Sylvain You can set a query execution timeout as a query hint. The many
6

Occasionally slow requests in load testing

setting a timeout for queries (using a hint). support Support
6

objectdb.java.util.ArrayList and performance

. Can anybody give me a hint whats the reason or how i can increase performance here? ph.schoerkhuber
6

Performance tuning, best practices

settings in the configuration ? - other hints or proposals hgzwicker Hans-Georg Zwicker
6

like operator (String)

. The GUI related methods will add implicit a '%' character. Additional hint: objectdb-2.4.7_07
1

ODB-FileWriter holds unecessary entity reference after transaction and entity manager are closed

Support Thank you very much for your hint. If we enhance all entities then it works. btc_es BTC
1

Error during closing an entity manager

EmbeddedSystems Could you please check build 2.7.1_03? support Support I have a further hint
1

@FetchGroup in JPA similar to JDO

; (...) } then when running query you specify as a hint that this query should return Entities
1

Lazy loading of mapped by (inverse) singular references

ObjectDB ignores lazy setting of non collection mapped by (inverse) fields and loads them always eagerly. This is allowed by JPA since lazy is only hint but it is not efficient. The reason is that currently when an entity object is loaded all the referenced objects are instantiated immediately

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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