Solr wraps its IndexReader in an UninvertingReader, which builds doc-values
structures in memory if required. If you include the solr jar file on your
classpath, you should be able to use UninvertingReader.wrap() to do something
similar.
Alan Woodward
www.flax.co.uk
> On 22 Dec 2016, at 17:58, Roxana Danger <roxana.dan...@reedonline.co.uk>
> wrote:
>
> Hi Alan,
> thank you very much, but I am not sure if this is the reason.
>
> but if I use the solrSearcher, FieldValueQuery works well, using the same
> index.
> If SolrIndexSearcher enable this feature, how does it do it?
>
> Thank you again!
>
>
>
>
> On 22 December 2016 at 17:34, Alan Woodward <a...@flax.co.uk> wrote:
>
>> Hi,
>>
>> FieldValueQuery reports matches using docvalues, and it looks like they’re
>> not enabled on that field.
>>
>> Alan Woodward
>> www.flax.co.uk
>>
>>
>>> On 22 Dec 2016, at 16:21, Roxana Danger <roxana.dan...@reedonline.co.uk>
>> wrote:
>>>
>>> Hi all,
>>>
>>> I have created an index using solr. I am trying to execute the following
>>> code, but I get zero results in the count.
>>>
>>> DirectoryReader dr = DirectoryReader.open(FSDirectory.open(new
>>> File(indexDir).toPath()));
>>> IndexSearcher searcher = new IndexSearcher( dr );
>>>
>>> System.out.println(dr.maxDoc()); // Shows 2000000
>>> Query query = new FieldValueQuery("table");
>>> CollectionStatistics stats = searcher.collectionStatistics("table");
>>> System.out.println(stats.docCount()); // Shows 2000000
>>>
>>> System.out.println(searcher.count(query)); //Shows 0, should be 2000000
>>>
>>> The definition of the table filed in the schema.xml is:
>>>
>>> <field name="table" type="string" indexed="true" stored="true"
>>> required="true" multiValued="false"/>
>>>
>>>
>>> Any idea, why this could be happening? Why the search with the
>>> FieldValueQuery is not returning the correct result?
>>>
>>> Thank you very much in advance.
>>>
>>> --
>>> Reed Online Ltd is a company registered in England and Wales. Company
>>> Registration Number: 6317279.
>>> Registered Office: Academy Court, 94 Chancery Lane, London WC2A 1DT.
>>
>>
>
>
> --
> Roxana Danger | Senior Data Scientist
> Dragon Court, 27-29 Macklin Street, London, WC2B 5LX
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