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From Georgios Petasis <petas...@yahoo.gr.INVALID>
Subject Sort by date? (solr.DateRangeField)
Date Mon, 07 Nov 2016 12:13:18 GMT
Dear all,

I have defined a field "date_range" as:
<fieldType name="date_range" class="solr.DateRangeField" 
multiValued="true" indexed="true"/>

The field works (and I can perform range queries for these dates). but I 
have not found a way to sort
results based on this field. I have tried with the dist(), ms() 
functions, to use the boost plugin, etc. and everything fails.
Either with an error message, like:

fl=startDate&q={!boost+b=$dateboost+v=$qq}&dateboost=recip(ms(NOW,startDate),3.16e-11,1,1)&qq=*
A ValueSource isn't directly available from this field. Instead try a 
query using the distance as the score.

or a stack trace:
fl=startDate&q=*&sort="ms(startDate)"+asc"
    java.lang.UnsupportedOperationException
     at 
org.apache.lucene.queries.function.FunctionValues.doubleVal(FunctionValues.java:47)
     at 
org.apache.lucene.queries.function.ValueSource$ValueSourceComparator.copy(ValueSource.java:153)
     at 
org.apache.lucene.search.TopFieldCollector$SimpleFieldCollector$1.collect(TopFieldCollector.java:206)
     at 
org.apache.lucene.search.Weight$DefaultBulkScorer.scoreAll(Weight.java:221)
     at 
org.apache.lucene.search.Weight$DefaultBulkScorer.score(Weight.java:172)
     at org.apache.lucene.search.BulkScorer.score(BulkScorer.java:39)
     at 
org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:669)
     at 
org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:473)
     at 
org.apache.solr.search.SolrIndexSearcher.buildAndRunCollectorChain(SolrIndexSearcher.java:211)
     at 
org.apache.solr.search.SolrIndexSearcher.getDocListNC(SolrIndexSearcher.java:1765)
     at 
org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:1582)
     at 
org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:581)
     at 
org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:528)
     at 
org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:295)
     at 
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:154)
     at org.apache.solr.core.SolrCore.execute(SolrCore.java:2089)
     at org.apache.solr.servlet.HttpSolrCall.execute(HttpSolrCall.java:652)
     at org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:459)
     at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:257)
     at 
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:208)
     at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1668)
     at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:581)
     at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
     at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)
     at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:226)
     at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1160)
     at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:511)
     at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
     at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1092)
     at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
     at 
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
     at 
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:119)
     at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
     at org.eclipse.jetty.server.Server.handle(Server.java:518)
     at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:308)
     at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:244)
     at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:273)
     at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
     at 
org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
     at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:246)
     at 
org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:156)
     at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654)
     at 
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572)
     at java.lang.Thread.run(Thread.java:745)


  I am using Solr 6.2.1.

Regards,
George

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