[eclipselink-dev] SVN main commit: Bug#211700 - batch fetching, also 220

[James Sutherland <JAMES.SUTHERLAND@xxxxxxxxxx>]

SVN main commit: Bug#211700 - batch fetching, also 220400 , 309242

 

https://bugs.eclipse.org/bugs/show_bug.cgi?id=211700

 

Code review: Andrei (pending)

 

Changes:

- Added batch-fetch-size to orm schema and metadata processing.

- Added _expression_ support for nested IN Lists for composite key comparisons.

- Added batch fetching support for IN with composite primary keys.

- Changed batch fetching query to first check the cache if possible, to avoid queries for cached objects.

- Added ManyToOneMapping to complement the JPA ManyToOne annotation and avoid distinct in batch fetch for OneToOne.

- Added support for WLS getVendorConnectionSafe to WLS 10 platform, to avoid connection being discarded.

- Added JPA test for overriding sequence generators.

- Added performance comparison test for batch fetching types.

- Added JPA metadata support for overriding sequence generators.