Hi Claudia, Perfect! I tried your suggestions & the problem is fixed. Many thanks for your help.
Regards, Harish Harish Maringanti Systems Analyst K-State Libraries 785.532.3261 On Wed, Jan 19, 2011 at 12:57 PM, Claudia Juergen <[email protected]> wrote: > Hello Harish, > > while updating to 1.6 did you get some errors like that: > > psql:database_schema_15-16.sql:105: ERROR: constraint > "community2collection_collection_id_fkey" of relation > "community2collection" does not exist > ALTER TABLE > psql:database_schema_15-16.sql:108: ERROR: constraint > "community2community_child_comm_id_fkey" of relation > "community2community" does not exist > ALTER TABLE > psql:database_schema_15-16.sql:111: ERROR: constraint > "collection2item_item_id_fkey" of relation "collection2item" does not exist > > If so, inspect your database and use the references for the foreign keys > to delete them, e.g:: > > psql [YourDBName] > \d [TableName] > will show you the foreign keys, e.g.: > \d community2collection > > Table "public.community2collection" > Column | Type | Modifiers > ---------------+---------+----------- > id | integer | not null > community_id | integer | > collection_id | integer | > Indexes: > "community2collection_pkey" PRIMARY KEY, btree (id) > "community2collection_collection_id_idx" btree (collection_id) > "community2collection_community_id_idx" btree (community_id) > Foreign-key constraints: > "$1" FOREIGN KEY (community_id) REFERENCES community(community_id) > "$2" FOREIGN KEY (collection_id) REFERENCES collection(collection_id) > > > In that case you got to run: > > ALTER TABLE collection2item DROP CONSTRAINT "$2"; > ALTER TABLE community2community DROP CONSTRAINT "$2"; > ALTER TABLE community2collection DROP CONSTRAINT "$2"; > > > > The reason for this is: > > In Step 7 Update the database it can happen that not all the commands in > the database_schema_15-16.sql are executed properly. > > The commands to drop foreign keys: > > ALTER TABLE collection2item DROP CONSTRAINT collection2item_item_id_fkey; > > ALTER TABLE community2community DROP CONSTRAINT > community2community_child_comm_id_fkey; > > ALTER TABLE community2collection DROP CONSTRAINT > community2collection_collection_id_fkey; > > > assume that the keys got default names, whereas depending on the > database version and operating system on which your instance started, > they can have no names and just be counted internally. > > If you got no names or other names the script will skip the commands, > with the above mentioned ERROR. > > This will lead to errors running DSpace as now 2 contraints exist and > one is unable to delete items, collections etc. > > > Hope that helps > > Claudia Jürgen > > >> We are having trouble deleting items in 1.6.2. I looked through the >> error log & this is what I found - >> >> ----------------------------- >> database_error:org.postgresql.util.PSQLException\colon; ERROR\colon; >> update or delete on table "item" violates foreign key constraint "$2" >> on table "collection2item" >> ------------------------------------------- >> >> I found a thread referring to the same problem - >> http://sourceforge.net/mailarchive/message.php?msg_id=24951813 but did >> not any answers. Can I just drop the constraints or is there another >> way to resolve this ? Any help appreciated. >> >> Thanks, >> Harish >> >> Harish Maringanti >> Systems Analyst >> K-State Libraries >> 785.532.3261 >> >> ------------------------------------------------------------------------------ >> Protect Your Site and Customers from Malware Attacks >> Learn about various malware tactics and how to avoid them. Understand >> malware threats, the impact they can have on your business, and how you >> can protect your company and customers by using code signing. >> http://p.sf.net/sfu/oracle-sfdevnl >> _______________________________________________ >> DSpace-tech mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/dspace-tech >> > > > Mit freundlichen Gruessen > > Claudia Juergen > Universitaetsbibliothek Dortmund > Eldorado > 0231/755-4043 > https://eldorado.tu-dortmund.de/ > Tel.: 0049-231-755-4043 > > > > > ------------------------------------------------------------------------------ > Protect Your Site and Customers from Malware Attacks > Learn about various malware tactics and how to avoid them. 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