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自己編寫簡單lambda函數來掃描從dynamodb數據,但數據是越來越與錯誤消息標記和λ功能檢索到的顯示信息作爲執行失敗AWS lambda函數檢索dynamodb數據作爲錯誤消息
var AWS = require('aws-sdk');
var DOC = require("dynamodb-doc");
var dynamo = new DOC.DynamoDB();
exports.handler = function (event, context, callback) {
var params = {
TableName: "Movies",
// ProjectionExpression: "#yr, Movie",
FilterExpression: "#yr = :thisyear",
ExpressionAttributeNames: {
"#yr": "year",
},
ExpressionAttributeValues: {
":thisyear" : 2009
}
};
dynamo.scan(params, function(err, data){
if (err){
callback("error occoured");
}
else{
callback(JSON.stringify(data.Items));
}
});
};
結果
{
"errorMessage": "[{\"year\":2009,\"Movie\":\"Jab tak hai jaan\"}]"
}
感謝您的幫助,它現在正 – Shan