diff --git a/server/src/main/java/org/elasticsearch/search/aggregations/bucket/filter/FiltersAggregationBuilder.java b/server/src/main/java/org/elasticsearch/search/aggregations/bucket/filter/FiltersAggregationBuilder.java index e35bf376aae..810126e8512 100644 --- a/server/src/main/java/org/elasticsearch/search/aggregations/bucket/filter/FiltersAggregationBuilder.java +++ b/server/src/main/java/org/elasticsearch/search/aggregations/bucket/filter/FiltersAggregationBuilder.java @@ -209,7 +209,10 @@ public class FiltersAggregationBuilder extends AbstractAggregationBuilder 0L))); } + + public void testRewritePreservesOtherBucket() throws IOException { + FiltersAggregationBuilder originalFilters = new FiltersAggregationBuilder("my-agg", new BoolQueryBuilder()); + originalFilters.otherBucket(randomBoolean()); + originalFilters.otherBucketKey(randomAlphaOfLength(10)); + + AggregationBuilder rewritten = originalFilters.rewrite(new QueryRewriteContext(xContentRegistry(), + null, null, () -> 0L)); + assertThat(rewritten, instanceOf(FiltersAggregationBuilder.class)); + + FiltersAggregationBuilder rewrittenFilters = (FiltersAggregationBuilder) rewritten; + assertEquals(originalFilters.otherBucket(), rewrittenFilters.otherBucket()); + assertEquals(originalFilters.otherBucketKey(), rewrittenFilters.otherBucketKey()); + } }