How do I sort Solr results?

How do I sort Solr results?

Solr can sort query responses according to:

1. Document scores.
2. Function results.
3. The value of any primitive field (numerics, string, boolean, dates, etc.)
4. A SortableTextField which implicitly uses docValues=”true” by default to allow sorting on the original input string regardless of the analyzers used for Searching.

How do I query in Solr UI?

Solr Query Syntax After selecting the core, go to “Query”. This form allows you to query the Solr index. This parameter can be used to specify a query that restricts the superset of documents that can be returned without influencing the score.

How does Solr calculate score?

Lucene (and thus Solr) uses the Boolean model to find matching documents, and a formula called the practical scoring function to calculate relevance. A positive floating-point number called score represents the relevance of each document. The higher the score, the more relevant the document.

What is Solr server?

Solr (pronounced “solar”) is an open-source enterprise-search platform, written in Java. Solr is widely used for enterprise search and analytics use cases and has an active development community and regular releases. Solr runs as a standalone full-text search server.

What is DF in Solr query?

df is the default field and will only take effect if the qf is not defined. I guess you are not using dismax parser and using the default settings in solrconfig.xml. qf then won’t take effect anyways and the df field which is text would not return values. df=description searches on the field and hence returns values.

What is filter query in Solr?

The fq filter query parameter in a query to Solr search is used to filter out some documents from the search result without influencing the score of the returned documents. Any subsequent queries with the same fq paramters will hit the cache and the results will be returned faster.