{"id":2152,"date":"2021-09-04T18:33:14","date_gmt":"2021-09-04T09:33:14","guid":{"rendered":"https:\/\/dennie.tokyo\/it\/?p=2152"},"modified":"2022-04-03T15:03:01","modified_gmt":"2022-04-03T06:03:01","slug":"%e3%80%90dynamodb%e3%80%91aws-sdk-%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%9f%e6%9d%a1%e4%bb%b6%e4%bb%98%e3%81%8d%e8%a4%87%e6%95%b0%e9%a0%85%e7%9b%ae%e3%81%ae%e5%8f%96%e5%be%97","status":"publish","type":"post","link":"https:\/\/dennie.tokyo\/it\/?p=2152","title":{"rendered":"\u3010DynamoDB\u3011AWS SDK \u3092\u4f7f\u7528\u3057\u305f\u6761\u4ef6\u4ed8\u304d\u8907\u6570\u9805\u76ee\u306e\u53d6\u5f97"},"content":{"rendered":"\n

\u524d\u56de\u306f\u8907\u6570\u9805\u76ee\u306e\u53d6\u5f97\u306b\u306f\u30af\u30a8\u30ea\u30fc\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n\n\n\n\n

\u524d\u56de<\/span>\n

\u3010DynamoDB\u3011AWS SDK \u3092\u4f7f\u7528\u3057\u305f\u8907\u6570\u9805\u76ee\u306e\u53d6\u5f97<\/a><\/p>\n<\/div>\n\n\n\n

\u4eca\u56de\u3082\u30af\u30a8\u30ea\u30fc\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30af\u30a8\u30ea\u30fc\u306f\u6761\u4ef6\u3092\u6307\u5b9a\u3057\u3066\u9805\u76ee\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002
\u30d1\u30fc\u30c6\u30b7\u30e7\u30f3\u30ad\u30fc\u306f\u6761\u4ef6\u3092\u6307\u5b9a\u3067\u304d\u307e\u305b\u3093\u304c\u3001\u30bd\u30fc\u30c8\u30ad\u30fc\u306b\u6761\u4ef6\u3092\u6307\u5b9a\u3057\u3066\u9805\u76ee\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u30c6\u30fc\u30d6\u30eb\u306e\u5185\u5bb9<\/h1>\n\n\n\n

Musics\u3068\u3044\u3046\u30c6\u30fc\u30d6\u30eb\u306b\u5bfe\u3057\u3066\u30af\u30a8\u30ea\u30fc\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002
\u30c6\u30fc\u30d6\u30eb\u306e\u5185\u5bb9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

artist: \u30d1\u30fc\u30c6\u30b7\u30e7\u30f3\u30ad\u30fc
title: \u30bd\u30fc\u30c8\u30ad\u30fc<\/p>\n\n\n\n

\u30bb\u30ab\u30f3\u30c0\u30ea\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u4f5c\u6210<\/h1>\n\n\n\n

\u30b0\u30ed\u30fc\u30d0\u30eb\u30bb\u30ab\u30f3\u30c0\u30ea\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002
\u30b0\u30ed\u30fc\u30d0\u30eb\u30bb\u30ab\u30f3\u30c0\u30ea\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u4f5c\u6210\u306b\u3064\u3044\u3066\u306f\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n\n\n\n

\u53c2\u7167<\/span>\n

\u3010DynamoDB\u3011AWS SDK \u3092\u4f7f\u7528\u3057\u305f\u30b0\u30ed\u30fc\u30d0\u30eb\u30bb\u30ab\u30f3\u30c0\u30ea\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u4f5c\u6210<\/a><\/p>\n<\/div>\n\n\n\n

\u4ee5\u4e0b\u3092\u5b9f\u884c\u3057\u3001\u30b0\u30ed\u30fc\u30d0\u30eb\u30bb\u30ab\u30f3\u30c0\u30ea\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

const DynamoDbSetter = require(".\/DynamoDbSetter");\n \nmodule.exports = class DynamoDbOperator extends DynamoDbSetter{\n \n    async exec(event) {\n \n        \/\/ \u5b9f\u884c\u5185\u5bb9\n        let params = {\n            TableName : "Musics",\n            AttributeDefinitions: [\n                { AttributeName: "genre", AttributeType: "S" },\n                { AttributeName: "title", AttributeType: "S" },\n            ],\n            GlobalSecondaryIndexUpdates: [\n                {\n                    Create: {\n                        IndexName: "genre_title_index", \n                        KeySchema: [\n                            { AttributeName: "genre", KeyType: "HASH"},  \/\/Partition key\n                            { AttributeName: "title", KeyType: "RANGE" }  \/\/Sort key\n                        ],\n                        Projection: {\n                            ProjectionType: "INCLUDE",\n                            NonKeyAttributes: ["sngsCnt"]\n                        },\n                        ProvisionedThroughput: {\n                            ReadCapacityUnits: 10, \n                            WriteCapacityUnits: 10\n                        }\n                    }\n                },\n            ],\n        };\n    \n        \/\/ \u5b9f\u884c\n        return await this.dynamodb.updateTable(params).promise();\n \n \n    }\n}<\/code><\/pre><\/div>\n\n\n\n
\u30b0\u30ed\u30fc\u30d0\u30eb\u30bb\u30ab\u30f3\u30c0\u30ea\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u30d7\u30e9\u30a4\u30de\u30ea\u30ad\u30fc\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
genre: \u30d1\u30fc\u30c6\u30b7\u30e7\u30f3\u30ad\u30fc
title: \u30bd\u30fc\u30c8\u30ad\u30fc<\/p>\n\n\n\n
\u6761\u4ef6\u3092\u6307\u5b9a\u3057\u3066\u5b9f\u884c<\/h1>\n\n\n\n
\u5b9f\u884c<\/h2>\n\n\n\n
\u30d1\u30fc\u30c6\u30b7\u30e7\u30f3\u30ad\u30fc\u3067\u30af\u30a8\u30ea\u30fc\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002genre \u304c “POP” \u3067\u3001title \u304c “GEEN” \u3067\u59cb\u307e\u308b\u9805\u76ee\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002
Lambda\u95a2\u6570\u306e\u5185\u5bb9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n
const DynamoDbSetter = require(".\/DynamoDbSetter");\n \nmodule.exports = class DynamoDbOperator extends DynamoDbSetter{\n \n    async exec(event) {\n \n        let genre = event.genre;\n        let title = event.title;\n        \n        \/\/ \u5b9f\u884c\u5185\u5bb9\n        let params = {\n            TableName : "Musics",\n            IndexName: 'genre_title_index',\n            KeyConditionExpression: '#genre = :genreValue AND begins_with(#title, :titleValue)',\n            ExpressionAttributeNames: {\n                '#genre': 'genre',\n                '#title': 'title',\n            },\n            ExpressionAttributeValues: {\n                ':genreValue': {'S': genre},\n                ':titleValue': {'S': title},\n            }\n        };\n  \n        \/\/ \u5b9f\u884c\n        return await this.dynamodb.query(params).promise();\n \n    }\n \n}<\/code><\/pre><\/div>\n\n\n\n
Lambda\u95a2\u6570\u5b9f\u884c\u30b3\u30de\u30f3\u30c9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002AWS CLI \u304b\u3089\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
aws lambda invoke --function-name DynamoDbFunction --payload $(echo '{ "genre": "POP", "title": "GREEN"}' | base64) outputfile.txt<\/code><\/pre><\/div>\n\n\n\n
\u7d50\u679c<\/h2>\n\n\n\n
{\n    "Items": [\n        {\n            "artist": {\n                "S": "YUI"\n            },\n            "sngsCnt": {\n                "N": "18"\n            },\n            "genre": {\n                "S": "POP"\n            },\n            "title": {\n                "S": "GREEN GARDEN POP"\n            }\n        }\n    ],\n    "Count": 1,\n    "ScannedCount": 1\n}<\/code><\/pre><\/div>\n\n\n\n
\u6700\u5f8c\u306b<\/h1>\n\n\n\n
\u6b21\u56de\u306f\u30c6\u30fc\u30d6\u30eb\u304b\u3089scan\u3092\u4f7f\u7528\u3057\u3066\u8907\u6570\u306e\u9805\u76ee\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u6b21\u56de<\/span>\n
\u3010DynamoDB\u3011AWS SDK \u3092\u4f7f\u7528\u3057\u305fscan\u306e\u5b9f\u884c<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u524d\u56de\u306f\u8907\u6570\u9805\u76ee\u306e\u53d6\u5f97\u306b\u306f\u30af\u30a8\u30ea\u30fc\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":1258,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,19,20],"tags":[],"class_list":["post-2152","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aws","category-dynamodb","category-lambda"],"_links":{"self":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/2152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2152"}],"version-history":[{"count":8,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/2152\/revisions"}],"predecessor-version":[{"id":3383,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/2152\/revisions\/3383"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/media\/1258"}],"wp:attachment":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}