如何使用PySolr的facet - 似乎无法获得facet结果(How to use facets with PySolr - can't seem to get facet results to show)

 （我已经看到了类似的问题 - 但似乎无法解决为什么以下不起作用！） 
 
 嗨，我有一个正在运行的本地solr实例，并进行以下调用（通过浏览器中的url框）： 
 
http://localhost:8983/solr/select?q=video&rows=0&facet=true&facet.field=q_date
 
 并得到以下结果（见结果1）。 然后我尝试与Python / PySolr等效： 
 
solr = pysolr.Solr('http://localhost:8983/solr/', timeout=10)

params = {
  'facet': 'true',
  'facet.field': 'q_date',
  'rows': '0',
}

results = solr.search('video', **params)
 
 似乎没有结果（如果我做'行'：10然后我得到10个结果） - 但无论如何我似乎没有任何方面。 
 
 任何想法如何解决这个问题？ 在我想出这个之后，我也希望使用StatsComponent功能（例如＆stats = true＆stats.field = q_visits） 
 
 提前致谢 
 
 结果1： 
 
<response>
<lst name="responseHeader">
<int name="status">0</int>
<int name="QTime">2</int>
<lst name="params">
<str name="facet">true</str>
<str name="q">video</str>
<str name="facet.field">q_date</str>
<str name="rows">0</str>
</lst>
</lst>
<result name="response" numFound="670" start="0"/>
<lst name="facet_counts">
<lst name="facet_queries"/>
<lst name="facet_fields">
<lst name="q_date">
<int name="2013-03-31T00:00:00Z">135</int>
<int name="2013-01-31T00:00:00Z">121</int>
<int name="2012-10-31T00:00:00Z">113</int>
<int name="2013-02-28T00:00:00Z">112</int>
<int name="2012-11-30T00:00:00Z">107</int>
<int name="2012-12-31T00:00:00Z">82</int>
</lst>
</lst>
<lst name="facet_dates"/>
<lst name="facet_ranges"/>
</lst>
</response>

(I have seen similar questions to this - but cannot seem to resolve why the below doesnt work!) 
 
Hi, I have a running local instance of solr and make the following call (via the url box in my browser):
 
http://localhost:8983/solr/select?q=video&rows=0&facet=true&facet.field=q_date
 
And get the results below (see results 1). Then I try the equivalent with Python/PySolr:
 
solr = pysolr.Solr('http://localhost:8983/solr/', timeout=10)

params = {
  'facet': 'true',
  'facet.field': 'q_date',
  'rows': '0',
}

results = solr.search('video', **params)
 
And seem to get no results (if I make 'rows': 10 then I get 10 results) - but in either case I seem to get no facets.
 
Any ideas how to get around this? After I figure this out I also wish to use the StatsComponent feature (e.g. &stats=true&stats.field=q_visits)
 
Thanks in advance
 
RESULTS 1:
 
<response>
<lst name="responseHeader">
<int name="status">0</int>
<int name="QTime">2</int>
<lst name="params">
<str name="facet">true</str>
<str name="q">video</str>
<str name="facet.field">q_date</str>
<str name="rows">0</str>
</lst>
</lst>
<result name="response" numFound="670" start="0"/>
<lst name="facet_counts">
<lst name="facet_queries"/>
<lst name="facet_fields">
<lst name="q_date">
<int name="2013-03-31T00:00:00Z">135</int>
<int name="2013-01-31T00:00:00Z">121</int>
<int name="2012-10-31T00:00:00Z">113</int>
<int name="2013-02-28T00:00:00Z">112</int>
<int name="2012-11-30T00:00:00Z">107</int>
<int name="2012-12-31T00:00:00Z">82</int>
</lst>
</lst>
<lst name="facet_dates"/>
<lst name="facet_ranges"/>
</lst>
</response>

原文：https://stackoverflow.com/questions/18704339