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DynamoDBã«ã¯ä»¥ä¸ã®åèªãç»å ´ãã¾ãã ãã¼ãã£ã·ã§ã³ãã¼ ã½ã¼ããã¼ ãã©ã¤ããªãã¼ ãã¼ã«ã«ã»ã«ã³ããªã¤ã³ããã¯ã¹ ã°ãã¼ãã«ã»ã«ã³ããªã¤ã³ããã¯ã¹ ãããã®ãã¼ã»ã¤ã³ããã¯ã¹ã«ã¤ãã¦æ¹ãã¦æ´çãã¦ã¿ã¾ããã ã¾ãããã¼ãã£ã·ã§ã³ãããã¼ã¿ã®èªã¿æ¸ããè¡ãAPIã®ç¨®é¡ãã«ã¤ãã¦æ´çãã¾ãããã®å¾ããã¼ã®ç¨®é¡ã«ã¤ãã¦æ´çãã¾ãã ãã¼ãã£ã·ã§ã³ DynamoDBã®ãã¼ã¿ã¯è¤æ°ã®ãã¼ãã£ã·ã§ã³ã«åæ£ãã¦ä¿åããã¾ãããã®ã¨ããã¼ã¿ãã©ã®ãã¼ãã£ã·ã§ã³ã«ä¿åãããã㯠ãã¼ãã£ã·ã§ã³ãã¼ ãå ã«æ±ºå®ããã¾ãã ã¾ã ã½ã¼ããã¼ ãè¨å®ããã¦ããå ´åããã¼ã¿ã¯ãã¼ãã£ã·ã§ã³å ã§ã½ã¼ããã¼ãå ã«ä¸¦ã¹æ¿ãããã¦ç©ççã«è¿ãã«é ç½®ããã¾ãã ä¾ã¨ãã¦ãAnimalTypeï¼ãã¼ãã£ã·ã§ã³ãã¼ï¼ã¨Nameï¼ã½ã¼ããã¼ï¼ã§æ§æãããPetsãã¼ãã«ã®ãã¼ã¿ã¯ä»¥ä¸ã®ããã«åæ£ãã¦ä¿åããã¾ãã ï¼å³
ãã£ãã å æ¥ãã¨ãããµã¼ãã¼ã¬ã¹ã¢ããªãä½ã£ã¦ããéãDynamoDBã«ã¤ãã¦ä¸è¨ã®ãã¤ã¼ãããã¾ããã ããã«æ¥ã¦ãDynamoDBã®æ§æãå¤ããªãããããªãå¯è½æ§ããã¦ããã©ã¤ããªãã¼ãå®å ¨ä¸è´æ¤ç´¢ããã§ããªãã®ï¼â Masaki Suzuki@ããªã¼ã©ã³ã¹ã¯ã©ã¦ãã¨ã³ã¸ã㢠(@makky12) 2020å¹´2æ4æ¥ ããããããä¸è¨ã®çªã£è¾¼ã¿ãªããé ãã¾ããã ãã©ã¤ããªã¼ãã¼ã§ã¯ãªããã¼ãã£ã·ã§ã³ãã¼ãªã®ã§ã ãã®ãã¼ã®å¤ã«ãã£ã¦ãã¼ã¿ãé ç½®ããããã¼ãã決ã¾ãã¾ããåä¸ãã¼ãå ã§ã¯ããç¨åº¦æ¤ç´¢ãã§ãã(ã¬ã³ã¸ãã¼ããã¼ã«ã«ã¤ã³ããã¯ã¹ã§ã¯ã½ã¼ããçµãè¾¼ã¿ãã§ãã)ããã§ããã¼ ããããã¼ãã¿ãã¼ãªã®ãç¹å®ã®ãã¼ãã«å¦çãåãããã§ãã ã¨ããã確ãã«ãDynamoDBã®ãã¼ã®æ±ãã«ã¤ãã¦ãèªèãã¤ãã¤ãããã¾ãã ãªã...ã¨æãé¨åããã£ãã®ã§ããã®æ©ä¼ã«ã¡ãã£ã¨èª¿ã¹ã¦ã¿ã¾ãã
ããã§ã¯ãNode.js ç¨ã® AWS SDK ver.2 ã使ã£ã¦ Amazon DynamoDB ãæä½ããæ¹æ³ã説æãã¾ãã TypeScript ã®åºæ¬çãªç°å¢æ§ç¯ ã¯çµãã£ã¦ãããã®ã¨ãã¾ãã SDK ver.3 ã使ãæ¹æ³ã¯ãã¡ãã®è¨äº ãåç §ãã¦ãã ããã åºæ¬çã«ã¯ ver.3 ã®ä½¿ç¨ãæ¨å¥¨ããã¦ãã¾ãããAWS ã® Lambda å®è¡ç°å¢ã¯ç¾æç¹ï¼2021å¹´5æï¼ã§ã ver.2 ãã¤ã³ã¹ãã¼ã«ããã¦ãããããã®ã§ãver.2 ã®éè¦ã¯ã¾ã ããã¨æãã¾ãã Dynamo DB ç¨ã® SDK (ver.2) ãã¤ã³ã¹ãã¼ã«ããAWS SDK version 2 㧠DynamoDB ãæ±ãã«ã¯ã次ã®ããã« AWS SDK ããã±ã¼ã¸å ¨ä½ãã¤ã³ã¹ãã¼ã«ããå¿ è¦ãããã¾ãï¼version 3 ã§ã¯ DynamoDB ãµã¼ãã¹ãªã©ã®ããã±ã¼ã¸ãåå¥ã«ã¤ã³ã¹ãã¼ã«ã§ãã¾ãï¼ã
ã¯ããã« RDBMSã使ã£ã¦ããã¨ãallã¨ãã§å ¨ä»¶åå¾åºæ¥ã¦ç¹ã«æ°ã«ããå¿ è¦ããªãã®ã§ãããDynamoDBã§ã¯1MBã¾ã§ã®ãã¼ã¿éã®ä»¶æ°ã®ã¿ããåå¾ãåºæ¥ãªãã®ã§ãç¥ã£ã¦ããªãã¨ããå ¨ä»¶åå¾åºæ¥ã¦ããªã...ã¿ãããªãã¨ã«ãªãç§ã®ããã«çãç®ã«ãã£ã¦ãã¾ãã®ã§ãèªåã¸ã®æãã®æå³ãè¾¼ãã¦æ®ãã¦ããã¾ãã æ å ±ã½ã¼ã¹ï¼DynamoDB ã§ã®ã¹ãã£ã³ã®ä½¿ç¨ ç°å¢ Nodejs å®è£ const AWS = require('aws-sdk'); const DynamoDB = new AWS.DynamoDB.DocumentClient({region: "ap-northeast-1"}); const tableName = 'hoges'; module.exports.hello = async (event, context) => { try { // scanç¨ã®ãã©ã¡ã¼
å®è£ æ¹æ³ ä»åã¯è»¢ç½®ã¤ã³ããã¯ã¹ã«é¢ãã説æã¯çãã¾ããæ¦å¿µã説æããããããå ·ä½çãªå®è£ æ¹æ³ãç´¹ä»ããã»ããæ©ãããã§ãã ã¨ããããã§ã以ä¸ã®ã¢ã¼ããã¯ãã£å³ã«ãããã£ã¦ãLambdaé¢æ°ã¨DynamoDBã®ãã¼ãã«ãä½æãã¦ããã¾ãã DynamoDBã®ãã¼ãã«ä½æ AWSã®ããã¼ã¸ã¡ã³ãã³ã³ã½ã¼ã«ãã以ä¸ã®ãã¼ãã«ãä½æãã¦ããã¾ãã è¨å®ã¯ãã¹ã¦ããã©ã«ãã«ãã¦ãã¾ãã 社å¡æ å ±ãã¼ãã« (Partition key: id, Sort key: ãªã) 転置ã¤ã³ããã¯ã¹ãã¼ãã« (Partition key: key, Sort key: employeeId) 転置ã¤ã³ããã¯ã¹ãã¼ãã«ã®ã¤ã³ããã¯ã¹ (Partition key: employeeId, Sort key: ãªã) 社å¡æ å ±ãã¼ãã«ã®ä½æ 転置ã¤ã³ããã¯ã¹ãã¼ãã«ã®ä½æ 転置ã¤ã³ããã¯ã¹ãã¼ãã«ã®ã¤ã³ããã¯ã¹
AWS SDKãå©ç¨ãã¦DynamoDBãæä½ããæ¹æ³ã«ã¤ãã¦ç¢ºèªãã¾ããããã¼ãã«ä½æã»åé¤ããã¢ã¤ãã ã®æ¿å ¥ã»åå¾ã»æ´æ°ã»åé¤ãã«ã¤ãã¦åãä¸ãã¾ãã const AWS = require('aws-sdk') AWS.config.loadFromPath('./config.json') const dynamoDB = new AWS.DynamoDB() const params = { TableName: 'users', AttributeDefinitions: [ { AttributeName: 'user_id', AttributeType: 'N' }, // number { AttributeName: 'created_at', AttributeType: 'S' }, // string { AttributeName: 'post_id', At
Node.jsã§æ¸ããAWS LambdaããDynamoDBã«å¯¾ãã¦ã¯ã¨ãªã§ãã¼ã¿ãæ½åºããæ¹æ³ã§ãã ä¹ ãã¶ãã«Node.jsã¨DynamoDBã«è§¦ã£ãããã£ããå¿ãã¦ããã®ã§å°æ¥ã®èªåã®ããã«ã¡ã¢ã DyanamoDB ãã¼ãã«: test_table ãã©ã¤ããªãã¼ãã£ã·ã§ã³ãã¼: deviceid ãã©ã¤ããªã½ã¼ããã¼: timestamp ãã¼ã¿: test_timestamp, data1 var AWS = require('aws-sdk'), documentClient = new AWS.DynamoDB.DocumentClient(); exports.handler = function(event, context) { var device_id = "zoe6120"; var start_date = "2019-01-01"; var end_dat
Bluemixã®ããã¥ã¡ã³ãæ´æ°ã®é ãã«è¾æãã¦æµ®æ°ãã¦ã¾ãã ãã§ãAWSã§Node.js使ã£ã¦ãããããããã¨ãã¦ã訳ã§ããã»ã»ã» ãã¼ã«ã«ã§DynamoDBãåããã¦ã¦ãã¾ããã¼ãã«ä½æã ãªã¨ãããªã³ã¼ãæ¸ãã¦ã¿ãã const AWS = require('aws-sdk'); AWS.config.update({ region: 'ap-eastwest-1', endpoint: 'http://localhost:8000' }); const db = new AWS.DynamoDB(); const params = { TableName: 'Users', KeySchema: [ { AttributeName: 'email', KeyType: 'HASH' }, { AttributeName: 'name', KeyType: 'RANGE' }, ],
Amazon DynamoDBã使ç¨ããéçºãè¡ãéã«ãcliãã³ã³ã½ã¼ã«ããAWSä¸ã«ãã¼ãã«ä½ã£ã¦éçºã»ãã¹ãããã¦ãããã®ã§ãããã³ã¹ãð¸ãããã£ã¦ãã¾ãã¾ãã ããã§ãDynamoDB Localã使ç¨ãããã¨ã§ãã³ã¹ãããããéçºã»ãã¹ããã§ãã¾ãã æ³å®ããèªè ããããDynamoDB Localã使ç¨ãã¦ã¿ãã人ðââï¸ ééããªã©ä¸åãªç¹ãããã¾ãããã³ã¡ã³ããã¦ããããã¨å©ããã¾ãã ðð»ââï¸ ãããããé¡ããã¾ãã åææ¡ä»¶ Dockerð³ã使ç¨ããç°å¢ãæ´ã£ã¦ããã㨠... Docker Desktop | Docker åä½ç°å¢ macOS(10.14.2) Node.js(v8.10) aws-cli(1.16.88) DynamoDB LocalãDockerã§èµ·å amazon/dynamodb-localã«è¼ã£ã¦ããã³ãã³ããå®è¡ãã¾ãã $
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