void assertBasicAggregationWorks(String indexName) {
// histogram on a long
SearchResponse searchRsp =
client()
.prepareSearch(indexName)
.addAggregation(AggregationBuilders.histogram("histo").field("long_sort").interval(10))
.get();
ElasticsearchAssertions.assertSearchResponse(searchRsp);
Histogram histo = searchRsp.getAggregations().get("histo");
assertNotNull(histo);
long totalCount = 0;
for (Histogram.Bucket bucket : histo.getBuckets()) {
totalCount += bucket.getDocCount();
}
assertEquals(totalCount, searchRsp.getHits().getTotalHits());
// terms on a boolean
searchRsp =
client()
.prepareSearch(indexName)
.addAggregation(AggregationBuilders.terms("bool_terms").field("bool"))
.get();
Terms terms = searchRsp.getAggregations().get("bool_terms");
totalCount = 0;
for (Terms.Bucket bucket : terms.getBuckets()) {
totalCount += bucket.getDocCount();
}
assertEquals(totalCount, searchRsp.getHits().getTotalHits());
}
private HistogramBuilder histogram(MethodField field) throws SqlParseException {
String aggName = gettAggNameFromParamsOrAlias(field);
HistogramBuilder histogram = AggregationBuilders.histogram(aggName);
String value = null;
for (KVValue kv : field.getParams()) {
value = kv.value.toString();
switch (kv.key.toLowerCase()) {
case "interval":
histogram.interval(Long.parseLong(value));
break;
case "field":
histogram.field(value);
break;
case "min_doc_count":
histogram.minDocCount(Long.parseLong(value));
break;
case "extended_bounds":
String[] bounds = value.split(":");
if (bounds.length == 2)
histogram.extendedBounds(Long.valueOf(bounds[0]), Long.valueOf(bounds[1]));
break;
case "alias":
case "nested":
case "reverse_nested":
break;
case "order":
Histogram.Order order = null;
switch (value) {
case "key_desc":
order = Histogram.Order.KEY_DESC;
break;
case "count_asc":
order = Histogram.Order.COUNT_ASC;
break;
case "count_desc":
order = Histogram.Order.COUNT_DESC;
break;
case "key_asc":
default:
order = Histogram.Order.KEY_ASC;
break;
}
histogram.order(order);
break;
default:
throw new SqlParseException("histogram err or not define field " + kv.toString());
}
}
return histogram;
}