How are solr and postgreSQL connected in ckan?

Question

I can't find how solr link to postgreSQL in ckan.

I wrote solr_url = http://127.0.0.1:8983/solr, and sqlalchemy.url = postgresql://ckan_default:123456@localhost/ckan_default in my development.ini file, but I'm confused how does solr know that its dataset is ckan_default.

I didn't find config file for solr,src/ckan/ckan/config/solr/schema.xmlonly have filed information. /var/lib/solr/data and /etc/solr/conf/solrconfig.xml have no dataset information either.

Thanks!

Answer 1

In CKAN, Solr is not directly linked to PostgreSQL. The Solr index is maintained by the CKAN code itself, see ckan.lib.search.index. Extensions can hook into the indexing via the before_index method of the IPackageController interface.

Answer 2

I believe that after localhost/, the database name is stated. In this case, it's ckan_default.