/**
* 构建范围查询
*
* @param field
* @return
*/
private RangeBuilder rangeBuilder(MethodField field) {
LinkedList<KVValue> params = new LinkedList<>(field.getParams());
String fieldName = params.poll().toString();
double[] ds = Util.KV2DoubleArr(params);
RangeBuilder range = AggregationBuilders.range(field.getAlias()).field(fieldName);
for (int i = 1; i < ds.length; i++) {
range.addRange(ds[i - 1], ds[i]);
}
return range;
}
// Make sure that unordered, reversed, disjoint and/or overlapping ranges are supported
// Duel with filters
public void testRandomRanges() throws Exception {
final int numDocs = scaledRandomIntBetween(500, 5000);
final double[][] docs = new double[numDocs][];
for (int i = 0; i < numDocs; ++i) {
final int numValues = randomInt(5);
docs[i] = new double[numValues];
for (int j = 0; j < numValues; ++j) {
docs[i][j] = randomDouble() * 100;
}
}
createIndex("idx");
for (int i = 0; i < docs.length; ++i) {
XContentBuilder source = jsonBuilder().startObject().startArray("values");
for (int j = 0; j < docs[i].length; ++j) {
source = source.value(docs[i][j]);
}
source = source.endArray().endObject();
client().prepareIndex("idx", "type").setSource(source).execute().actionGet();
}
assertNoFailures(
client()
.admin()
.indices()
.prepareRefresh("idx")
.setIndicesOptions(IndicesOptions.lenientExpandOpen())
.execute()
.get());
final int numRanges = randomIntBetween(1, 20);
final double[][] ranges = new double[numRanges][];
for (int i = 0; i < ranges.length; ++i) {
switch (randomInt(2)) {
case 0:
ranges[i] = new double[] {Double.NEGATIVE_INFINITY, randomInt(100)};
break;
case 1:
ranges[i] = new double[] {randomInt(100), Double.POSITIVE_INFINITY};
break;
case 2:
ranges[i] = new double[] {randomInt(100), randomInt(100)};
break;
default:
throw new AssertionError();
}
}
RangeBuilder query = range("range").field("values");
for (int i = 0; i < ranges.length; ++i) {
String key = Integer.toString(i);
if (ranges[i][0] == Double.NEGATIVE_INFINITY) {
query.addUnboundedTo(key, ranges[i][1]);
} else if (ranges[i][1] == Double.POSITIVE_INFINITY) {
query.addUnboundedFrom(key, ranges[i][0]);
} else {
query.addRange(key, ranges[i][0], ranges[i][1]);
}
}
SearchRequestBuilder reqBuilder = client().prepareSearch("idx").addAggregation(query);
for (int i = 0; i < ranges.length; ++i) {
RangeFilterBuilder filter = FilterBuilders.rangeFilter("values");
if (ranges[i][0] != Double.NEGATIVE_INFINITY) {
filter = filter.from(ranges[i][0]);
}
if (ranges[i][1] != Double.POSITIVE_INFINITY) {
filter = filter.to(ranges[i][1]);
}
reqBuilder = reqBuilder.addAggregation(filter("filter" + i).filter(filter));
}
SearchResponse resp = reqBuilder.execute().actionGet();
Range range = resp.getAggregations().get("range");
for (int i = 0; i < ranges.length; ++i) {
long count = 0;
for (double[] values : docs) {
for (double value : values) {
if (value >= ranges[i][0] && value < ranges[i][1]) {
++count;
break;
}
}
}
final Range.Bucket bucket = range.getBucketByKey(Integer.toString(i));
assertEquals(bucket.getKey(), count, bucket.getDocCount());
final Filter filter = resp.getAggregations().get("filter" + i);
assertThat(filter.getDocCount(), equalTo(count));
}
}