Thx. That did the trick. I now realize that I was setting the size on the
return value of addAggregation(), when in fact, I needed to set it on the
return value of the field() method.
On Tuesday, 29 July 2014 15:56:29 UTC-4, Adrien Grand wrote:
>
> Hi,
>
> You need to set the size on the terms aggregation:
>
> AggregationBuilders.terms("category_names").field("category").size(20)
>
>
> On Mon, Jul 28, 2014 at 9:22 PM, Alain Désilets <[email protected]
> <javascript:>> wrote:
>
>> I have an ES where I have indexed a bunch of files. Each file is tagged
>> with a category field. I want to write Java code to get a list of all the
>> categories. I am trying to do this using the terms aggregation:
>>
>> QueryBuilder qb = QueryBuilders.matchAllQuery();
>> SearchResponse sr =
>> esClient.prepareSearch()
>> .setQuery(qb)
>> .setSize(20)
>>
>> .addAggregation(AggregationBuilders.terms("category_names").field("category")).setSize(20)
>> .execute()
>> .actionGet();
>>
>> Terms terms = sr.getAggregations().get("category_names");
>> int numCategories = terms.getBuckets().size();
>> System.out.println("Number of category buckets found: "+ numCategories);
>>
>> But this code always prints out that it found 10 category buckets. Yet,
>> if I execute the following query in Sense:
>>
>> GET files-index/file_with_category/_search
>> {
>> "query": {
>> "match_all": {}
>> },
>> "aggs": {
>> "categories": {
>> "terms": {
>> "field": "category",
>> "size": 100
>> }
>> }
>> }
>> }
>>
>> I get 18 category buckets. What am I doing wrong in the Java code?
>>
>> Thx.
>>
>> Alain
>>
>>
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>
>
>
> --
> Adrien Grand
>
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