This question calls for a very broad answer to be answered in all aspects. There are very well certain specificas that may make one system superior to another for a special use case, but I want to cover the basics here. I will deal entirely with Solr as an example for several search engines that … Read more
If you want to get last week publications you can do somehting like: &fq=published_date:[NOW-7DAY/DAY TO NOW] But if you want a concrete date you must do it in the SOLR date format: &fq=published_date:[2013-07-17T00:00:00Z TO NOW] Last but not least. use [ ] for inclusive ranges use { } for exclusive ranges you can mix them … Read more
-field:[* TO *] In SolrNet, use a negated SolrHasValueQuery
Use field:(value1 value2 value3) or if your default operator is AND then use field:(value1 OR value2 OR value3)
You can use fq=cat:(computers OR phones)
Websolr provides a cloud-based Solr with a control panel. It’s in private beta as of this writing, but you can get the service through Heroku. Another hosted Solr service is PowCloud, also in private beta, which seems to offer strong WordPress integration. SolrHQ: another beta service providing a hosted Solr solution, with Joomla and WordPress … Read more
Here’s what I’m using. Is this canonical? Is there a better way? SolrQuery q = new SolrQuery(“*:*”); q.setRows(0); // don’t actually request any data return server.query(q).getResults().getNumFound();
You can use boolean operators and search on individual fields. q=type:furniture AND location:office If the values are fixed, it is better to use Filter Queries for Performance. fq=type:furniture AND location:office
THIS HOLDS FOR SOLR VERSIONS < 5.0 Try [solr url]/update?commit=true For example, with an URL like the SOLR example defaults, from the same machine, http://localhost:8983/solr/update?commit=true should do it. FOR SOLR VERSIONS >= 5.0 http://localhost:8983/solr/[collection_name]/update?commit=true
As you’re on a shared Linux box, you’ll have to ask the system administrator to do the following, probably. Create a startup script in /etc/init.d/solr. Copy this code, my Solr startup script, into that file: #!/bin/sh # Prerequisites: # 1. Solr needs to be installed at /usr/local/solr/example # 2. daemon needs to be installed # … Read more