我正在使用聊天應用程序,我需要使用nodejs將聊天信息推送到指定索引的elasticsearch。如何使用Nodejs將數據推送到ElasticSearch中的指定索引
我已創建索引並將數據推送到elasticsearch使用下面的代碼。
var elasticsearch = require('elasticsearch');
var client = new elasticsearch.Client({
host: 'localhost:9200',
log: 'trace'
});
client.ping({
requestTimeout: 30000,
// undocumented params are appended to the query string
hello: "elasticsearch"
}, function (error) {
if (error) {
console.error('elasticsearch cluster is down!');
} else {
console.log('All is well');
}
});
var result = client.index({
index: 'chennaiboxchat',
type: 'posts',
id: '1',
body: {
"glossary": {
"title": "example Test",
"GlossDiv": {
"title": "S",
"GlossList": {
"GlossEntry": {
"ID": "SGML",
"SortAs": "SGML",
"GlossTerm": "Standard Generalized Markup Language",
"Acronym": "SGML",
"Abbrev": "ISO 8879:1986",
"GlossDef": {
"para": "A meta-markup language, used to create markup languages such as DocBook.",
"GlossSeeAlso": ["GML", "XML"]
},
"GlossSee": "mark"
}
}
}
}
},
refresh: true
});
但是,如果我運行此代碼下一次覆蓋data.so,我需要使用的NodeJS更新elasticsearch在同一個索引數據。建議我如何更新單個索引中的數據。