f2573da77b73eaf031f236d5a6af0be4b5f431ee,core/src/test/java/org/elasticsearch/index/query/AndQueryBuilderTest.java,AndQueryBuilderTest,createExpectedQuery,#AndQueryBuilder#QueryParseContext#,37

Before Change


        }
        BooleanQuery query = new BooleanQuery();
        for (QueryBuilder subQuery : queryBuilder.filters()) {
            query.add(subQuery.toQuery(context), Occur.MUST);
        }
        return query;
    }

After Change


        }
        BooleanQuery query = new BooleanQuery();
        for (QueryBuilder subQuery : queryBuilder.filters()) {
            Query innerQuery = subQuery.toQuery(context);
            if (innerQuery != null) {
                query.add(innerQuery, Occur.MUST);
            }
        }