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Koji Sekiguchi commented on SOLR-2136: -------------------------------------- I've met a strange behavior. With empty index, start example solr. Then hit: http://localhost:8983/solr/select/?q={!func}if(exists(f1_b),10,20)&debug=results you got an empty xml as expected. Then hit the above URL again, you got the following exception: {code} SEVERE: java.lang.ClassCastException: org.apache.solr.search.ValueSourceParser$60$1 cannot be cast to org.apache.solr.search.function.SingleFunction at org.apache.solr.search.function.SimpleBoolFunction.equals(SimpleBoolFunction.java:66) at org.apache.solr.search.function.IfFunction.equals(IfFunction.java:137) at org.apache.solr.search.function.FunctionQuery.equals(FunctionQuery.java:202) at org.apache.solr.search.QueryResultKey.equals(QueryResultKey.java:78) at java.util.HashMap.getEntry(HashMap.java:349) at java.util.LinkedHashMap.get(LinkedHashMap.java:280) at org.apache.solr.search.LRUCache.get(LRUCache.java:129) at org.apache.solr.search.SolrIndexSearcher.getDocListC(SolrIndexSearcher.java:991) at org.apache.solr.search.SolrIndexSearcher.search(SolrIndexSearcher.java:346) at org.apache.solr.handler.component.QueryComponent.process(QueryComponent.java:441) at org.apache.solr.handler.component.SearchHandler.handleRequestBody(SearchHandler.java:239) at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:129) at org.apache.solr.core.SolrCore.execute(SolrCore.java:1308) at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:353) at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:248) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450) at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230) at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) {code} > Function Queries: if() function > ------------------------------- > > Key: SOLR-2136 > URL: https://issues.apache.org/jira/browse/SOLR-2136 > Project: Solr > Issue Type: New Feature > Components: search > Affects Versions: 1.4.1 > Reporter: Jan Høydahl > Fix For: 4.0 > > Attachments: SOLR-2136.patch, SOLR-2136.patch > > > Add an if() function which will enable conditional function queries. > The function could be modeled after a spreadsheet if function (e.g: > http://wiki.services.openoffice.org/wiki/Documentation/How_Tos/Calc:_IF_function) > IF(test; value1; value2) where: > test is or refers to a logical value or expression that returns a logical > value (TRUE or FALSE). > value1 is the value that is returned by the function if test yields TRUE. > value2 is the value that is returned by the function if test yields FALSE. > If value2 is omitted it is assumed to be FALSE; if value1 is also omitted it > is assumed to be TRUE. > Example use: > if(color=="red"; 100; if(color=="green"; 50; 25)) > This function will check the document field "color", and if it is "red" > return 100, if it is "green" return 50, else return 25. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org