ObjectDB Database Search

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	Possible issue for JPQL IS EMPTY expression are currently not supported for mapped by ( inverse ) collections. Please see more details and a possible
	Bidirectional OneToMany is slow on updated items , which is a mapped by ( inverse ) collection, and therefore requires a costly query execution You start feeling
	Attempt to execute a query using a closed EntityManager by ( inverse ) field in that object. This should be avoided when the EntityManager is closed
	EntityManager.refresh takes a long time running many queries in order to refresh all the inverse (mappedBy) collections, and then recursively
	Is it possible to remove parent/child entities without refresh? an ObjectDB bug in handling inverse (mapped by) collections and maps in reflection mode (note
	Is there any restriction when using fetch=FetchType.LAZY ? ). On detach some unloaded fields ( inverse / mapped-by relationships) are nullified by ObjectDB
	Record is not clearing properly on remove it. Alternatively, if you use bidirectional relationship ( mapped-by / inverse fields )
	removing members in existing databases / inverse and in that case in practice you can only delete objects and the lists will be updated
	Mapped by fields are not initialized by JOIN FETCH in queries and the test in the forum passes), but still loading bulk of inverse fields requires performance improvement. support Support
	ObjectDB 2.4.2 Fixed a bug in handling mapped super class with no primary key ( issue #864 ). Fixed a bug in handling enum in the primary key ( issue #852 ). Fixed an initialization of inverse (mapped by) fields by JOIN FETCH ( issue #854 ). Fixed type checking of query parameters. Changed merge implementation
	ObjectDB 2.6.1 a NullPointerException is merging objects of new types . Fixed a bug in managing inverse (mapped by) collections and maps in reflection mode.
	ObjectDB 2.6.2 of the containing entity ( issue #1620 ). Fixed a bug in cascading detach through unloaded inverse (mapped by) collection.
	ObjectDB 2.7.2 Added initial support for Java 9 . Attempt to fix (currently a workaround) and log the nested section key bug ( issue #2127 ). Fixed a bug in queries of the form "SELECT o FROM ... WHERE o == :arg" Fixed a bug in displaying inverse (mapped by) relations in the Explorer. Fixed a bug in reusing
	Freeze during save (entity objects, embedded objects, collections) in such a loop? Are inverse (mapped by) relationships
	ObjectDB 2.8.5 LockModeType.NONE. Fixed a bug in recovery from an exception during inverse (mapped-by) retrieval