Solr 5.1 and later has the new Facet Module that has integrated support for finding the number of unique values in a field. You can even find the number of unique values in a field for each bucket of a facet, and sort by that value to find the highest or lowest number of unique values.

2014年4月22日 · 1) Run a query in the Solr Admin Query screen, by only using the "q" parameter at the top left. Narrow it to the items you actually want to delete. For this example, I'm using *:* , but you can use things like id:abcdef or a range or whatever.

2015年10月7日 · This thread covers is in simpler terms: Weird Solr/Lucene behaviors with boolean operators. You have some "pure negative" nested queries in your expressions that The Lucene query parser expects "negative queries" to be expressed together with a a positive selection query. In other words anything but city:foo is correctly written as *:* AND ...

2008年11月5日 · The best way is to run the query from Admin concole. When we run it, it also provides the actuall SQL query executed. Just copy the query and use it. About the question: select specific fields from the table. In the admin console look for 'FL' text box. write the field names you want to retrieve, comma sapereted. Hit the 'Execute Query' button.

In SQL, I have the query like this. SELECT * FROM table1 INNER JOIN table2 ON table1.table1To2Id = table2.table2Id INNER JOIN table3 ON table1.table1To3Id = table3.table3Id How can I make the same query using Solr? Given that the field in SQL is the same field in Solr Thank in advance

2012年9月26日 · The simplest form of Solr date is the keyword 'NOW' which refers to the current date and time. It is case sensitive in Solr, but the Lucid query parser will permit it to be in any case. 'NOW' can be used either if no explicit date or date math is specified, or it can be used if date math is specified without an explicit date.

2011年1月18日 · Apache Solr - send JSON query request from Postman. 0. pass a query parameter in http client in post ...

Then I would like to query a sequence of words on that document while highlighting the match. I can't seem to be able to combine the search parameters in a successful way (all my google searches return purple links :\ ), although I've already …

2019年7月24日 · To select all documents set the default query value in solarium query to empty string. This is required as the default query in Solarium is :. Also set the alternative query to :. Dismax/eDismax normal query syntax does not support :, but the alternative query syntax does. For more details following book can be referred

Solr how to query a field containing a comma separated list? 1. SOLR: Search for a value in multiple ...