Hi Peter,
this sql is intended to fix the name of some constraint that we need to
make deferrable.
The "drop" sentence is make with the assumption that postgres has
created the foreign key with a "standard syntax", this is which that I
have seen on many postgres instances that I run on my workstation and
production, development server...
maybe this could be (postgres) version or configuration depending?
can you share the full DDL of your tables community2collection,
community2community and collection2item as appear in your production
database?
Thanks,
Andrea

Peter Dietz ha scritto:
> I wanted to see if anyone else has run into the issue when upgrading
> to 1.6 (rc1) from 1.5.2, that 
>
> ERROR:  constraint "community2collection_collection_id_fkey" of
> relation "community2collection" does not exist
> ERROR:  constraint "community2community_child_comm_id_fkey" of
> relation "community2community" does not exist
> ERROR:  constraint "collection2item_item_id_fkey" of relation
> "collection2item" does not exist
>
> Only by commenting out three lines in
> /dspace/etc/postgres/database_schema_15-16.sql does the db script
> execute successfully.
> -- ALTER TABLE community2collection DROP CONSTRAINT
> community2collection_collection_id_fkey;
> ...
> -- ALTER TABLE community2community DROP CONSTRAINT
> community2community_child_comm_id_fkey;
> ...
> -- ALTER TABLE collection2item DROP CONSTRAINT
> collection2item_item_id_fkey;
>
> I cloned (backup/restore) the production server's dspace table for
> local testing/development. The server version is PostgreSQL 8.1.11. My
> workstation is 8.4.1
>
> -- 
> Peter Dietz
> Systems Developer/Engineer
> Ohio State University Libraries
>
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-- 
Dott. Andrea Bollini
Project Manager, IT Architect & Systems Integrator
Sezione Servizi per le Biblioteche e l'Editoria Elettronica
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