Re: nvarchar / nclob

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Wed Jan 04 2006 - 07:54:30 EST

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On Jan 3, 2006, at 9:56 AM, Cris Daniluk wrote:

> Cayenne seems to have "forgotten" how to map nvarchar / nclob types in
> Oracle. I'm pretty sure this worked before, but now they are imported
> as type "OTHER".

Probably the driver is to blame. I don't think we ever had any
special handling of those.

> I don't know if nvarchar / nclob are standard types, though they are
> used by numerous RDBMS - so not sure where they should be registered
> (globally or by adapter). Any ideas?

Should be pretty easy to fix. Simplest way to do it is inside
OracleAdapter.buildAttribute(..). Alternatively we may build a
generic algorithm for handling OTHER by matching DB-specific
"TYPE_NAME" (returned by JDBC together with Type.OTHER) against
types.xml mapping. The last approach requires more testing, but is
more generic.

Care to open a bug report?

Andrus

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