Solrj全选

问题描述

我在通过Solrj(运行Tomcat)选择25文档Solr(3.6)索引中的所有内容时遇到问题.

I am having issues selecting everything in my 25 document Solr (3.6) index via Solrj (running Tomcat).

public static void main(String[] args) throws MalformedURLException, SolrServerException {

        SolrServer solr = new HttpSolrServer("http://localhost:8080/solr");
        ModifiableSolrParams parameters = new ModifiableSolrParams();
        parameters.set("?q", "*:*");
        parameters.set("wt", "json");

        QueryResponse response = solr.query(parameters);
            System.out.println(response);
    }

我得到的结果是:

{responseHeader={status=0,QTime=0,params={?q=*:*,wt=javabin,version=2}},response={numFound=0,start=0,docs=[]}}

此外，如果我接受?"在parameters.set("?q", "*:*");中，我必须终止编译，否则它将超时.如果我替换

Also, If I take the "?" out of parameters.set("?q", "*:*");I have to terminate the compilation or else it times out. The same happens if I replace the

"*:*"

仅

"*"

此外，我尝试parameters.set("qt", "/select");无济于事.

Also, I have tried parameters.set("qt", "/select");to no avail.

您如何选择全部并通过Solrj实际获得结果?

How do you select all and actually get results through Solrj?

推荐答案

我不确定为什么可行，但是在失败了一百个想法之后，这个想法就花了:

I am not sure why this works but after failing on a hundred ideas, this one took:

public static void main(String[] args) throws MalformedURLException, SolrServerException {

        SolrServer solr = new HttpSolrServer("http://localhost:8080/solr");
        ModifiableSolrParams parameters = new ModifiableSolrParams();
          parameters.set("q", "*:*"); //query everything thanks to user1452132!
          parameters.set("facet", true);//without this I cant select all
          parameters.set("fl", "id");//send back just the id values
          parameters.set("wt", "json");//Id like this in json format please

        QueryResponse response = solr.query(parameters);
            System.out.println(response);
    }

希望这可以帮助某个人.

Hope this helps someone out there.

这篇关于Solrj全选的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！