[英]Can't access Datastore through Google Cloud function using node.js
每当我运行该函数时,它都会一直运行,直到它崩溃,说明错误是未知的。 我觉得这可能与我的 package.json 文件中数据存储依赖项的版本有关
包.json
{
"name": "sample-http",
"version": "0.0.1",
"dependencies": {
"@google-cloud/datastore": "5.1.0"
}
}
索引.js
/**
* Responds to any HTTP request.
*
* @param {!express:Request} req HTTP request context.
* @param {!express:Response} res HTTP response context.
*/
// Requested from front end
var date = "2002-09-13";
var limit = "10";
exports.checkRecords = async (req, res) => {
// Search for date in Datastore
const {Datastore} = require('@google-cloud/datastore');
const datastore = new Datastore({
projectId: '...',
keyFilename: '...'
});
const taskKey = datastore.key('headline');
const [entity] = await datastore.get(taskKey);
if(entity != null){
res.status(200).send("contains");
}
else{
res.status(200).send("null");
}
};
我已经求助于简单地查看实体是否为空,因为似乎没有其他工作
我认为你错过了get
的那种
我创建了一个Dog
Kind 并将Freddie
添加到其中,并且可以:
var date = "2002-09-13";
var limit = "10";
exports.checkRecords = async (req, res) => {
const { Datastore } = require("@google-cloud/datastore");
const datastore = new Datastore();
const taskKey = datastore.key(["Dog", "Freddie"]);
const [entity] = await datastore.get(taskKey);
if (entity != null) {
res.status(200).send("contains");
}
else {
res.status(200).send("null");
}
};
注意如果你的Datastore在同一个项目中,可以使用Application Default Credentials来简化认证,即const datastore = new Datastore();
你能试一下吗:
var date = "2002-09-13";
var limit = "10";
exports.checkRecords = async (req, res) => {
// Search for date in Datastore
const {Datastore} = require('@google-cloud/datastore');
const datastore = new Datastore({
projectId: '...',
keyFilename: '...'
});
// The kind of the entity
const kind = 'Task';
// The name/ID of the entity
const name = 'sampletask1';
// The Cloud Datastore key for the new entity
const taskKey = datastore.key([kind, name]);
const [entity] = await datastore.get(taskKey);
if(entity != null){
res.status(200).send("contains");
}
else{
res.status(200).send("null");
}
};
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