[英]BatchWriteItemCommand with AWS.DynamoDB class using AWS SDK V3 in Nodejs
我一直在嘗試使用 BatchWriteItemCommand 執行 DynamoDB DeleteRequest 數小時,但我不斷收到以下錯誤:
Error ValidationException: 1 validation error detected: Value null at 'requestItems.td_notes_sdk.member.1.member.deleteRequest.key' failed to satisfy constraint: Member must not be null
這是我的桌子的樣子:
分區鍵:user_id(字符串)
排序鍵:時間戳(數字)
這是我的代碼的樣子:
// Import required AWS SDK clients and commands for Node.js
import {
DynamoDBClient,
BatchWriteItemCommand,
} from "@aws-sdk/client-dynamodb";
// Set the parameters
export const params = {
RequestItems: {
"td_notes_sdk": [
{
DeleteRequest: {
Item: {
Key: {
user_id: { S : "bb" },
timestamp: { N : 2 },
},
},
},
},
],
},
};
export const run = async () => {
const ddbClient = new DynamoDBClient({ region: "us-east-2" });
try {
const data = await ddbClient.send(new BatchWriteItemCommand(params));
console.log("Success, items inserted", data);
return data;
} catch (err) {
console.log("Error", err);
}
};
run();
以下是一些我一直在嘗試遵循的資源:資源 1: 在批處理示例中編寫項目資源 2: AWS Javascript SDK v3 文檔
更新:BatchWrite PutRequest 使用下面的代碼,所以我知道我的鍵/屬性的結構更接近正確。 仍然不適用於 DeleteRequest。
export const params = {
RequestItems: {
"td_notes_sdk": [
{
PutRequest: {
Item: {
user_id: { "S": "bb" },
timestamp: { "N": "5" },
},
},
},
],
},
};
刪除項目時不提供項目。 您提供一個密鑰。
這是一個工作示例:
const params_delete = {
RequestItems: {
"td_notes_sdk": [
{
DeleteRequest: {
Key: {
user_id: { S: "bb" },
timestamp: { N: "2" },
},
},
},
],
},
};
const delete_batch = async () => {
const ddbClient = new DynamoDBClient({ region: "us-east-2" });
try {
const data = await ddbClient.send(new BatchWriteItemCommand(params_delete));
console.log("Success, item deleted");
return data;
} catch (err) {
console.log("Error", err);
}
};
delete_batch();
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