Batch-Load-Aufgabe erstellen - Amazon Timestream

Die vorliegende Übersetzung wurde maschinell erstellt. Im Falle eines Konflikts oder eines Widerspruchs zwischen dieser übersetzten Fassung und der englischen Fassung (einschließlich infolge von Verzögerungen bei der Übersetzung) ist die englische Fassung maßgeblich.

Batch-Load-Aufgabe erstellen

Sie können die folgenden Codefragmente verwenden, um Batch-Load-Aufgaben zu erstellen.

Java
package com.example.tryit; import java.util.Arrays; import software.amazon.awssdk.services.timestreamwrite.model.CreateBatchLoadTaskRequest; import software.amazon.awssdk.services.timestreamwrite.model.CreateBatchLoadTaskResponse; import software.amazon.awssdk.services.timestreamwrite.model.DataModel; import software.amazon.awssdk.services.timestreamwrite.model.DataModelConfiguration; import software.amazon.awssdk.services.timestreamwrite.model.DataSourceConfiguration; import software.amazon.awssdk.services.timestreamwrite.model.DataSourceS3Configuration; import software.amazon.awssdk.services.timestreamwrite.model.DimensionMapping; import software.amazon.awssdk.services.timestreamwrite.model.MultiMeasureAttributeMapping; import software.amazon.awssdk.services.timestreamwrite.model.MultiMeasureMappings; import software.amazon.awssdk.services.timestreamwrite.model.ReportConfiguration; import software.amazon.awssdk.services.timestreamwrite.model.ReportS3Configuration; import software.amazon.awssdk.services.timestreamwrite.model.ScalarMeasureValueType; import software.amazon.awssdk.services.timestreamwrite.model.TimeUnit; import software.amazon.awssdk.services.timestreamwrite.TimestreamWriteClient; public class BatchLoadExample { public static final String DATABASE_NAME = <database name>; public static final String TABLE_NAME = <table name>; public static final String INPUT_BUCKET = <S3 location>; public static final String INPUT_OBJECT_KEY_PREFIX = <CSV filename>; public static final String REPORT_BUCKET = <S3 location>; public static final long HT_TTL_HOURS = 24L; public static final long CT_TTL_DAYS = 7L; TimestreamWriteClient amazonTimestreamWrite; public BatchLoadExample(TimestreamWriteClient client) { this.amazonTimestreamWrite = client; } public String createBatchLoadTask() { System.out.println("Creating batch load task"); CreateBatchLoadTaskRequest request = CreateBatchLoadTaskRequest.builder() .dataModelConfiguration(DataModelConfiguration.builder() .dataModel(DataModel.builder() .timeColumn("timestamp") .timeUnit(TimeUnit.SECONDS) .dimensionMappings(Arrays.asList( DimensionMapping.builder() .sourceColumn("vehicle") .build(), DimensionMapping.builder() .sourceColumn("registration") .destinationColumn("license") .build())) .multiMeasureMappings(MultiMeasureMappings.builder() .targetMultiMeasureName("mva_measure_name") .multiMeasureAttributeMappings(Arrays.asList( MultiMeasureAttributeMapping.builder() .sourceColumn("wgt") .targetMultiMeasureAttributeName("weight") .measureValueType(ScalarMeasureValueType.DOUBLE) .build(), MultiMeasureAttributeMapping.builder() .sourceColumn("spd") .targetMultiMeasureAttributeName("speed") .measureValueType(ScalarMeasureValueType.DOUBLE) .build(), MultiMeasureAttributeMapping.builder() .sourceColumn("fuel") .measureValueType(ScalarMeasureValueType.DOUBLE) .build(), MultiMeasureAttributeMapping.builder() .sourceColumn("miles") .measureValueType(ScalarMeasureValueType.DOUBLE) .build())) .build()) .build()) .build()) .dataSourceConfiguration(DataSourceConfiguration.builder() .dataSourceS3Configuration( DataSourceS3Configuration.builder() .bucketName(INPUT_BUCKET) .objectKeyPrefix(INPUT_OBJECT_KEY_PREFIX) .build()) .dataFormat("CSV") .build()) .reportConfiguration(ReportConfiguration.builder() .reportS3Configuration(ReportS3Configuration.builder() .bucketName(REPORT_BUCKET) .build()) .build()) .targetDatabaseName(DATABASE_NAME) .targetTableName(TABLE_NAME) .build(); try { final CreateBatchLoadTaskResponse createBatchLoadTaskResponse = amazonTimestreamWrite.createBatchLoadTask(request); String taskId = createBatchLoadTaskResponse.taskId(); System.out.println("Successfully created batch load task: " + taskId); return taskId; } catch (Exception e) { System.out.println("Failed to create batch load task: " + e); throw e; } } }
Go
package main import ( "fmt" "context" "log" "github.com/aws/aws-sdk-go-v2/aws" "github.com/aws/aws-sdk-go-v2/config" "github.com/aws/aws-sdk-go-v2/service/timestreamwrite" "github.com/aws/aws-sdk-go-v2/service/timestreamwrite/types" ) func main() { customResolver := aws.EndpointResolverWithOptionsFunc(func(service, region string, options ...interface{})(aws.Endpoint, error) { if service == timestreamwrite.ServiceID && region == "us-west-2" { return aws.Endpoint{ PartitionID: "aws", URL: <URL>, SigningRegion: "us-west-2", }, nil } return aws.Endpoint{}, & aws.EndpointNotFoundError{} }) cfg, err := config.LoadDefaultConfig(context.TODO(), config.WithEndpointResolverWithOptions(customResolver), config.WithRegion("us-west-2")) if err != nil { log.Fatalf("failed to load configuration, %v", err) } client := timestreamwrite.NewFromConfig(cfg) response, err := client.CreateBatchLoadTask(context.TODO(), & timestreamwrite.CreateBatchLoadTaskInput{ TargetDatabaseName: aws.String("BatchLoadExampleDatabase"), TargetTableName: aws.String("BatchLoadExampleTable"), RecordVersion: aws.Int64(1), DataModelConfiguration: & types.DataModelConfiguration{ DataModel: & types.DataModel{ TimeColumn: aws.String("timestamp"), TimeUnit: types.TimeUnitMilliseconds, DimensionMappings: []types.DimensionMapping{ { SourceColumn: aws.String("registration"), DestinationColumn: aws.String("license"), }, }, MultiMeasureMappings: & types.MultiMeasureMappings{ TargetMultiMeasureName: aws.String("mva_measure_name"), MultiMeasureAttributeMappings: []types.MultiMeasureAttributeMapping{ { SourceColumn: aws.String("wgt"), TargetMultiMeasureAttributeName: aws.String("weight"), MeasureValueType: types.ScalarMeasureValueTypeDouble, }, { SourceColumn: aws.String("spd"), TargetMultiMeasureAttributeName: aws.String("speed"), MeasureValueType: types.ScalarMeasureValueTypeDouble, }, { SourceColumn: aws.String("fuel_consumption"), TargetMultiMeasureAttributeName: aws.String("fuel"), MeasureValueType: types.ScalarMeasureValueTypeDouble, }, }, }, }, }, DataSourceConfiguration: & types.DataSourceConfiguration{ DataSourceS3Configuration: & types.DataSourceS3Configuration{ BucketName: aws.String("test-batch-load-west-2"), ObjectKeyPrefix: aws.String("sample.csv"), }, DataFormat: types.BatchLoadDataFormatCsv, }, ReportConfiguration: & types.ReportConfiguration{ ReportS3Configuration: & types.ReportS3Configuration{ BucketName: aws.String("test-batch-load-report-west-2"), EncryptionOption: types.S3EncryptionOptionSseS3, }, }, }) fmt.Println(aws.ToString(response.TaskId)) }
Python
import boto3 from botocore.config import Config INGEST_ENDPOINT = "<URL>" REGION = "us-west-2" HT_TTL_HOURS = 24 CT_TTL_DAYS = 7 DATABASE_NAME = "<database name>" TABLE_NAME = "<table name>" INPUT_BUCKET_NAME = "<S3 location>" INPUT_OBJECT_KEY_PREFIX = "<CSV file name>" REPORT_BUCKET_NAME = "<S3 location>" def create_batch_load_task(client, database_name, table_name, input_bucket_name, input_object_key_prefix, report_bucket_name): try: result = client.create_batch_load_task(TargetDatabaseName=database_name, TargetTableName=table_name, DataModelConfiguration={"DataModel": { "TimeColumn": "timestamp", "TimeUnit": "SECONDS", "DimensionMappings": [ { "SourceColumn": "vehicle" }, { "SourceColumn": "registration", "DestinationColumn": "license" } ], "MultiMeasureMappings": { "TargetMultiMeasureName": "metrics", "MultiMeasureAttributeMappings": [ { "SourceColumn": "wgt", "MeasureValueType": "DOUBLE" }, { "SourceColumn": "spd", "MeasureValueType": "DOUBLE" }, { "SourceColumn": "fuel_consumption", "TargetMultiMeasureAttributeName": "fuel", "MeasureValueType": "DOUBLE" }, { "SourceColumn": "miles", "MeasureValueType": "DOUBLE" } ]} } }, DataSourceConfiguration={ "DataSourceS3Configuration": { "BucketName": input_bucket_name, "ObjectKeyPrefix": input_object_key_prefix }, "DataFormat": "CSV" }, ReportConfiguration={ "ReportS3Configuration": { "BucketName": report_bucket_name, "EncryptionOption": "SSE_S3" } } ) task_id = result["TaskId"] print("Successfully created batch load task: ", task_id) return task_id except Exception as err: print("Create batch load task job failed:", err) return None if __name__ == '__main__': session = boto3.Session() write_client = session.client('timestream-write', endpoint_url=INGEST_ENDPOINT, region_name=REGION, config=Config(read_timeout=20, max_pool_connections=5000, retries={'max_attempts': 10})) task_id = create_batch_load_task(write_client, DATABASE_NAME, TABLE_NAME, INPUT_BUCKET_NAME, INPUT_OBJECT_KEY_PREFIX, REPORT_BUCKET_NAME)
Node.js

Der folgende Codeausschnitt wird für Version 3 verwendet. AWS SDK JavaScript Weitere Informationen zur Installation und Verwendung des Clients finden Sie unter Timestream Write Client — AWS SDK for v3. JavaScript

APIEinzelheiten finden Sie unter Klasse CreateBatchLoadCommand und CreateBatchLoadTask.

import { TimestreamWriteClient, CreateBatchLoadTaskCommand } from "@aws-sdk/client-timestream-write"; const writeClient = new TimestreamWriteClient({ region: "us-west-2", endpoint: "https://gamma-ingest-cell3.timestream.us-west-2.amazonaws.com" }); const params = { TargetDatabaseName: "BatchLoadExampleDatabase", TargetTableName: "BatchLoadExampleTable", RecordVersion: 1, DataModelConfiguration: { DataModel: { TimeColumn: "timestamp", TimeUnit: "MILLISECONDS", DimensionMappings: [ { SourceColumn: "registration", DestinationColumn: "license" } ], MultiMeasureMappings: { TargetMultiMeasureName: "mva_measure_name", MultiMeasureAttributeMappings: [ { SourceColumn: "wgt", TargetMultiMeasureAttributeName: "weight", MeasureValueType: "DOUBLE" }, { SourceColumn: "spd", TargetMultiMeasureAttributeName: "speed", MeasureValueType: "DOUBLE" }, { SourceColumn: "fuel_consumption", TargetMultiMeasureAttributeName: "fuel", MeasureValueType: "DOUBLE" } ] } } }, DataSourceConfiguration: { DataSourceS3Configuration: { BucketName: "test-batch-load-west-2", ObjectKeyPrefix: "sample.csv" }, DataFormat: "CSV" }, ReportConfiguration: { ReportS3Configuration: { BucketName: "test-batch-load-report-west-2", EncryptionOption: "SSE_S3" } } }; const command = new CreateBatchLoadTaskCommand(params); try { const data = await writeClient.send(command); console.log(`Created batch load task ` + data.TaskId); } catch (error) { console.log("Error creating table. ", error); throw error; }
.NET
using System; using System.IO; using System.Collections.Generic; using Amazon.TimestreamWrite; using Amazon.TimestreamWrite.Model; using System.Threading.Tasks; namespace TimestreamDotNetSample { public class CreateBatchLoadTaskExample { public const string DATABASE_NAME = "<database name>"; public const string TABLE_NAME = "<table name>"; public const string INPUT_BUCKET = "<input bucket name>"; public const string INPUT_OBJECT_KEY_PREFIX = "<CSV file name>"; public const string REPORT_BUCKET = "<report bucket name>"; public const long HT_TTL_HOURS = 24L; public const long CT_TTL_DAYS = 7L; private readonly AmazonTimestreamWriteClient writeClient; public CreateBatchLoadTaskExample(AmazonTimestreamWriteClient writeClient) { this.writeClient = writeClient; } public async Task CreateBatchLoadTask() { try { var createBatchLoadTaskRequest = new CreateBatchLoadTaskRequest { DataModelConfiguration = new DataModelConfiguration { DataModel = new DataModel { TimeColumn = "timestamp", TimeUnit = TimeUnit.SECONDS, DimensionMappings = new List<DimensionMapping>() { new() { SourceColumn = "vehicle" }, new() { SourceColumn = "registration", DestinationColumn = "license" } }, MultiMeasureMappings = new MultiMeasureMappings { TargetMultiMeasureName = "mva_measure_name", MultiMeasureAttributeMappings = new List<MultiMeasureAttributeMapping>() { new() { SourceColumn = "wgt", TargetMultiMeasureAttributeName = "weight", MeasureValueType = ScalarMeasureValueType.DOUBLE }, new() { SourceColumn = "spd", TargetMultiMeasureAttributeName = "speed", MeasureValueType = ScalarMeasureValueType.DOUBLE }, new() { SourceColumn = "fuel", TargetMultiMeasureAttributeName = "fuel", MeasureValueType = ScalarMeasureValueType.DOUBLE }, new() { SourceColumn = "miles", TargetMultiMeasureAttributeName = "miles", MeasureValueType = ScalarMeasureValueType.DOUBLE } } } } }, DataSourceConfiguration = new DataSourceConfiguration { DataSourceS3Configuration = new DataSourceS3Configuration { BucketName = INPUT_BUCKET, ObjectKeyPrefix = INPUT_OBJECT_KEY_PREFIX }, DataFormat = "CSV" }, ReportConfiguration = new ReportConfiguration { ReportS3Configuration = new ReportS3Configuration { BucketName = REPORT_BUCKET } }, TargetDatabaseName = DATABASE_NAME, TargetTableName = TABLE_NAME }; CreateBatchLoadTaskResponse response = await writeClient.CreateBatchLoadTaskAsync(createBatchLoadTaskRequest); Console.WriteLine($"Task created: " + response.TaskId); } catch (Exception e) { Console.WriteLine("Create batch load task failed:" + e.ToString()); } } } }
using Amazon.TimestreamWrite; using Amazon.TimestreamWrite.Model; using Amazon; using Amazon.TimestreamQuery; using System.Threading.Tasks; using System; using CommandLine; static class Constants { } namespace TimestreamDotNetSample { class MainClass { public class Options { } public static void Main(string[] args) { Parser.Default.ParseArguments<Options>(args) .WithParsed<Options>(o => { MainAsync().GetAwaiter().GetResult(); }); } static async Task MainAsync() { var writeClientConfig = new AmazonTimestreamWriteConfig { ServiceURL = "<service URL>", Timeout = TimeSpan.FromSeconds(20), MaxErrorRetry = 10 }; var writeClient = new AmazonTimestreamWriteClient(writeClientConfig); var example = new CreateBatchLoadTaskExample(writeClient); await example.CreateBatchLoadTask(); } } }