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]>
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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