本文介绍了如何使用java更改Elasticsearch中文档的field属性?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我在Elasticsearch中写了一个文件:

  {
_index:test,
_type:document,
_id:1,
_score:1,
_source:{
class ,
id:1,
items:[{
class:aaa,
id:1
},{
class:ccc,
id:2
}],
bianhao:123
}
}

我想替换 {class:ccc,id :code>code,code,ccc12,id:2} ,如何实现?

解决方案

你可以这样做:

 映射< String,Object> params = new HashMap<>(); 
params.put(idParam,2);
params.put(classParam,ccc12);

client.prepareUpdate(test,document,1)
.setScript(new script(
ctx._source.items.find {it.id == idParam} ['class'] = classParam,
ScriptService.ScriptType.INLINE,null,params))
.get();

更新



如果要更改多个字段,可以这样做:

  Map< String,Object> params = new HashMap<>(); 
params.put(idParam,2);
params.put(classParam,ccc12);
params.put(field1Param,value2);
params.put(field2Param,value3);

client.prepareUpdate(test,document,1)
.setScript(new script(
def item = ctx._source.items.find { it.id == idParam}; if(item){item ['class'] = classParam; item ['field1'] = field1Param; item ['field2'] = field2Param},
ScriptService.ScriptType。 INLINE,null,params))
.get();


I hava a document in Elasticsearch:

{
  "_index": "test",
  "_type": "document",
  "_id": "1",
  "_score": 1,
  "_source": {
      "class": "aaa",
      "id": 1,
      "items": [{
          "class": "aaa",
          "id": 1
      }, {
          "class": "ccc",
          "id": 2
      }],
      "bianhao": "123"
  } 
}

I want to replace {"class": "ccc","id": 2} of items with {"class": "ccc12","id": 2},how to achieve that?

解决方案

You can do it like this:

Map<String, Object> params = new HashMap<>();
params.put("idParam", 2);
params.put("classParam", "ccc12");

client.prepareUpdate("test", "document", "1")
    .setScript(new Script(
            "ctx._source.items.find{ it.id == idParam }['class'] = classParam",
            ScriptService.ScriptType.INLINE, null, params))
    .get();

UPDATE

And if you want to change multiple fields, you can do it like this:

Map<String, Object> params = new HashMap<>();
params.put("idParam", 2);
params.put("classParam", "ccc12");
params.put("field1Param", "value2");
params.put("field2Param", "value3");

client.prepareUpdate("test", "document", "1")
    .setScript(new Script(
            "def item = ctx._source.items.find{ it.id == idParam}; if (item) {item['class'] = classParam; item['field1'] = field1Param; item['field2'] = field2Param}",
            ScriptService.ScriptType.INLINE, null, params))
    .get();

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10-24 01:50