But, if you just want to use it for updating, you could use the deduplication updateprocessor - it lets you change what fields control uniqueness for updating - you could add multiple fields as the signature, and if those fields are the same in another doc, they will replace previous occurrences instead of adding. -- - Mark
http://www.lucidimagination.com On Fri, Jul 24, 2009 at 8:43 AM, Erik Hatcher <e...@ehatchersolutions.com>wrote: > > On Jul 24, 2009, at 8:33 AM, Nishant Chandra wrote: > >> Can I use composite key for uniqueKeyId? If yes, how? >> > > No - you get one field to use for uniqueKey in Solr. It is your indexer's > responsibility for aggregating values from your data sources into a single > uniqueKey value. For example, in indexing multiple databases typically the > data source identifier is prefixing the primary key value... "product-1234", > "customer-567", etc. > > Erik > >
