Terjemahan disediakan oleh mesin penerjemah. Jika konten terjemahan yang diberikan bertentangan dengan versi bahasa Inggris aslinya, utamakan versi bahasa Inggris.
Daftar database
Anda dapat menggunakan cuplikan kode berikut untuk membuat daftar database Anda.
catatan
Cuplikan kode ini didasarkan pada contoh aplikasi lengkap. GitHub
- Java
-
public void listDatabases() { System.out.println("Listing databases"); ListDatabasesRequest request = new ListDatabasesRequest(); ListDatabasesResult result = amazonTimestreamWrite.listDatabases(request); final List<Database> databases = result.getDatabases(); printDatabases(databases); String nextToken = result.getNextToken(); while (nextToken != null && !nextToken.isEmpty()) { request.setNextToken(nextToken); ListDatabasesResult nextResult = amazonTimestreamWrite.listDatabases(request); final List<Database> nextDatabases = nextResult.getDatabases(); printDatabases(nextDatabases); nextToken = nextResult.getNextToken(); } } private void printDatabases(List<Database> databases) { for (Database db : databases) { System.out.println(db.getDatabaseName()); } }
- Java v2
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public void listDatabases() { System.out.println("Listing databases"); ListDatabasesRequest request = ListDatabasesRequest.builder().maxResults(2).build(); ListDatabasesIterable listDatabasesIterable = timestreamWriteClient.listDatabasesPaginator(request); for(ListDatabasesResponse listDatabasesResponse : listDatabasesIterable) { final List<Database> databases = listDatabasesResponse.databases(); databases.forEach(database -> System.out.println(database.databaseName())); } }
- Go
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// List databases. listDatabasesMaxResult := int64(15) listDatabasesInput := ×treamwrite.ListDatabasesInput{ MaxResults: &listDatabasesMaxResult, } listDatabasesOutput, err := writeSvc.ListDatabases(listDatabasesInput) if err != nil { fmt.Println("Error:") fmt.Println(err) } else { fmt.Println("List databases is successful, below is the output:") fmt.Println(listDatabasesOutput) }
- Python
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def list_databases(self): print("Listing databases") try: result = self.client.list_databases(MaxResults=5) self._print_databases(result['Databases']) next_token = result.get('NextToken', None) while next_token: result = self.client.list_databases(NextToken=next_token, MaxResults=5) self._print_databases(result['Databases']) next_token = result.get('NextToken', None) except Exception as err: print("List databases failed:", err)
- Node.js
-
Cuplikan berikut menggunakan AWS SDK untuk v3. JavaScript Untuk informasi selengkapnya tentang cara menginstal klien dan penggunaan, lihat Timestream Write Client - AWS SDK untuk JavaScript v3.
Lihat juga kelas ListDatabasesCommand dan ListDatabases
import { TimestreamWriteClient, ListDatabasesCommand } from "@aws-sdk/client-timestream-write"; const writeClient = new TimestreamWriteClient({ region: "us-east-1" }); const params = { MaxResults: 15 }; const command = new ListDatabasesCommand(params); getDatabasesList(null); async function getDatabasesList(nextToken) { if (nextToken) { params.NextToken = nextToken; } try { const data = await writeClient.send(command); data.Databases.forEach(function (database) { console.log(database.DatabaseName); }); if (data.NextToken) { return getDatabasesList(data.NextToken); } } catch (error) { console.log("Error while listing databases", error); } }
Cuplikan berikut menggunakan gaya AWS SDK untuk JavaScript V2. Hal ini didasarkan pada contoh aplikasi di Node.js sampel Amazon Timestream untuk LiveAnalytics aplikasi
pada. GitHub async function listDatabases() { console.log("Listing databases:"); const databases = await getDatabasesList(null); databases.forEach(function(database){ console.log(database.DatabaseName); }); } function getDatabasesList(nextToken, databases = []) { var params = { MaxResults: 15 }; if(nextToken) { params.NextToken = nextToken; } return writeClient.listDatabases(params).promise() .then( (data) => { databases.push.apply(databases, data.Databases); if (data.NextToken) { return getDatabasesList(data.NextToken, databases); } else { return databases; } }, (err) => { console.log("Error while listing databases", err); }); }
- .NET
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public async Task ListDatabases() { Console.WriteLine("Listing Databases"); try { var listDatabasesRequest = new ListDatabasesRequest { MaxResults = 5 }; ListDatabasesResponse response = await writeClient.ListDatabasesAsync(listDatabasesRequest); PrintDatabases(response.Databases); var nextToken = response.NextToken; while (nextToken != null) { listDatabasesRequest.NextToken = nextToken; response = await writeClient.ListDatabasesAsync(listDatabasesRequest); PrintDatabases(response.Databases); nextToken = response.NextToken; } } catch (Exception e) { Console.WriteLine("List database failed:" + e.ToString()); } }