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Low performance when getting grove roots

an index for this field? Regards, Vladimir Of course. Setting indexes is explained in this manual page. As
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Managing software release cycles.

something in the database "structure". See the following manual pages: Database Schema Evolution Schema Update
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mapping file is not being loaded

and attempt to address this issue.  I have followed both suggestions - manually listing classes
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Merge on detached entities

? best regards > it is possible to merge detached entities? Sure. See this manual page
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Missing atificat for ObjectDB?

. You may try moving the ObjectDB package manually, although it should work automatically. It is unclear
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Modifier operations

are supported by ObjectDB since version 2.2.4 but undocumented yet (the manual will be updated soon
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Modifying something with Explorer -> app JPQL with Enum doesn't work anymore

using enum types) in the manual. I didn't change the enum and I don't use @Ordinal. That's the reason I
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Multi selection and distinct in a criteria query

relevant examples in the manual.   Ok yes I am aware of that sorry ;) What I was trying to say
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multi thread application, id field sporadically null

(), clear() and refresh()  Good. See also this manual page, regarding setting a flush mode. hgzwicker
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Navigation through lazy loading from Detached Objects

A main limitation of detached objects (as explained on the Detached Entities manual page) is: Retrieval by navigation from detached objects is not supported, so only persistent fields that have been loaded before detachment should be used. As explained on the Object DB vs EclipseLink/TopLink