We do this on the client side with multiple queries. It is fairly efficient, because most responses are from the first, exact query.
wunder On Apr 9, 2013, at 6:15 AM, Koji Sekiguchi wrote: > Hi Mark, > > > Is it possible to do a conditional query if another query has no results? > > For example, say I want to search against a given field for: >> >> - Search for "car". If there are results, return them. >> - Else, search for "car*" . If there are results, return them. >> - Else, search for "car~" . If there are results, return them. >> >> Is this possible in one query? Or would I need to make 3 separate queries >> by implementing this logic within my client? > > As far as I know, there is no such SearchComponent. > But the idea of "FallbackRequestHandler" has been told, see SOLR-1878, for > example: > > https://issues.apache.org/jira/browse/SOLR-1878 > > koji > -- > http://soleami.com/blog/lucene-4-is-super-convenient-for-developing-nlp-tools.html
