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EclipseLink Composite Unit Error - Join Query Executes on One Datasource [message #1336025] Tue, 06 May 2014 03:42 Go to next message
Eclipse UserFriend
Hi,

I am having an issue with the eclipselink composite-unit persistence unit. In my example I have two relational databases (the example I have seen is with a relational database and a mongo DB).

I can run queries against either database using the composite persistence unit and they execute correctly. The problem I experience is when I run a query which joins against both databases. The query only executes on one database which returns an error as the table doesn't exist (it exists in the other database).

Has anyone had this problem before and do they know how to correct this? I can post code samples if this would help.

Any help would be greatly appreciated.

Thanks

Simon
Re: EclipseLink Composite Unit Error - Join Query Executes on One Datasource [message #1336684 is a reply to message #1336025] Tue, 06 May 2014 10:14 Go to previous message
Eclipse UserFriend
As the databases are separate, I don't see how it would be expected to work. Can you provide an example of what you are trying to do?
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