Cat Paw Software

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<markdown>
# dynamoDB

## DynamoDB-localのインストール

https://docs.aws.amazon.com/ja_jp/amazondynamodb/latest/developerguide/DynamoDBLocal.html

## コマンド

テーブル一覧

```
aws dynamodb list-tables --endpoint-url http://localhost:8000
```

テーブル作成

```
aws dynamodb create-table --endpoint-url http://localhost:8000 --cli-input-json ./table_def.json 
```

テーブル定義JSONの例

```
{
  "AttributeDefinitions": [
    {"AttributeName": "user_id","AttributeType": "S"},
    {"AttributeName": "token","AttributeType": "S"},
    {"AttributeName": "timestamp","AttributeType": "S"}
  ],
  "TableName": "user_token",
  "KeySchema": [
    {"AttributeName": "user_id","KeyType": "HASH"},
    {"AttributeName": "timestamp","KeyType": "RANGE"}
  ],
  "GlobalSecondaryIndexes": [{
    "IndexName": "token_timestamp_index","KeySchema": [
      {"AttributeName": "token","KeyType": "HASH"},
      {"AttributeName": "timestamp","KeyType": "RANGE"}
    ],
    "Projection": {"ProjectionType": "ALL"},
    "ProvisionedThroughput": {"ReadCapacityUnits": 1,"WriteCapacityUnits": 1}
  }],
  "ProvisionedThroughput": {"ReadCapacityUnits": 1,"WriteCapacityUnits": 1}}
```
</markdown>