2015-09-25 98 views
1

我已经实现了一个Solr建议处理程序来处理来自我的应用程序的自动填充建议。但是,我需要能够根据用户权限筛选这些结果。实质上,这可以确保其中一个返回的字段匹配一个键(例如用户名)。如何过滤Solr Autocomplete/Suggest?

我的模式是这样的(自动完成字段):

<!-- suggest fields --> 
<field name="name_suggest" type="text_suggest" indexed="true" stored="false" multiValued="true" /> 
<field name="name_suggest_suggest_edge" type="text_suggest_edge" indexed="true" stored="false" multiValued="true" /> 
<field name="name_suggest_suggest_ngram" type="text_suggest_ngram" indexed="true" stored="false" multiValued="true" /> 
<field name="name_suggest_s" type="alphaNumericSort" indexed="true" stored="false" multiValued="true" /> 

<!-- copy fields -->  
<copyField source="firstName" dest="name_suggest" /> 
<copyField source="firstName" dest="name_suggest_suggest_edge" /> 
<copyField source="firstName" dest="name_suggest_suggest_ngram" /> 
<copyField source="firstName" dest="name_suggest_s" />  
<copyField source="lastName" dest="name_suggest" /> 
<copyField source="lastName" dest="name_suggest_suggest_edge" /> 
<copyField source="lastName" dest="name_suggest_suggest_ngram" /> 
<copyField source="lastName" dest="name_suggest_s" />  
<copyField source="id" dest="customerID" /> 

而且在SolrConfig的建议处理程序:

!-- request handler to return typeahead suggestions --> 
<requestHandler name="/suggest" class="solr.SearchHandler"> 
    <lst name="defaults"> 
     <str name="echoParams">explicit</str> 
     <str name="defType">edismax</str> 
     <str name="rows">10</str> 
     <str name="fl">firstName, lastName, address1, customerID,score</str> 
     <str name="qf">name_suggest^30 name_suggest_suggest_edge^50.0</str> 
     <str name="pf">name_suggest_suggest_edge^50.0</str> 
     <str name="group">false</str> 
     <str name="group.field">name_suggest_s</str> 
     <str name="sort">score desc</str> 
     <str name="group.sort">score desc</str> 
    </lst> 
</requestHandler> 

如何过滤从该处理程序来的结果(最好不必须在内存消费者方面做到这一点)?

回答

0

您可以像过滤搜索一样过滤建议。使用cfq而不是Solr fq参数。

suggest.cfq 上下文过滤器查询用于根据上下文字段过滤建议(如果建议者支持)。

注:

上下文滤波(suggest.cfq)目前只有 AnalyzingInfixLookupFactory和BlendedInfixLookupFactory支撑,并且仅 当由文档*字典支持。所有其他实现将 返回未过滤的匹配,就好像没有请求过滤一样。

来源https://lucene.apache.org/solr/guide/6_6/suggester.html#Suggester-SuggestRequestHandlerParameters