用路径和过滤器中的嵌套分类在弹簧数据弹性搜索中



我有这个代码,我需要转换为spring-data-lastic-search。

 {
  "query": {
    "match_all": {}
  },
  "size": 10,
  "from": 0,
  "sort": [
    {
      "program.title.descriptions.value.keyword": {
        "order": "asc",
        "nested": {
          "path": "program.title.descriptions",
          "filter": {
            "match": {
              "program.title.descriptions.length": "LONG"
            }
          }
        }
      }
    }
  ]
}

我已经尝试过,

SortBuilder sb = SortBuilders.fieldSort(sortBy).order(sortOrder).setNestedSort(new NestedSortBuilder(nestedPath))

,但我不知道如何将"过滤器"部分添加到排序构建器中。如果我尝试以下操作,

QueryBuilder matchFirst = QueryBuilders.boolQuery().filter(QueryBuilders.matchQuery("program.title.descriptions.length", "LONG"));
sb = SortBuilders.fieldSort(sortBy).order(sortOrder).setNestedSort(new NestedSortBuilder(nestedPath)).setNestedFilter(matchFirst);

它会说

java.lang.IllegalArgumentException: Setting both nested_path/nested_filter and nested not allowed
    at org.elasticsearch.search.sort.FieldSortBuilder.setNestedFilter(FieldSortBuilder.java:213)

任何想法都将不胜感激。

您需要在嵌套查询中设置过滤器。您可以尝试

SortBuilder sb = SortBuilders.fieldSort(sortBy).order(sortOrder).setNestedSort(new NestedSortBuilder(nestedPath).setFilter(matchFirst));

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