DynamoDB-Examples/CreateTable.js at master · tdouglas1313/DynamoDB-Examples · GitHub

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/* https://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/DynamoDB.html#createTable-property */
/* ===================== CreateTable ===================== */
var params = {
    TableName: 'table_name',
    KeySchema: [ // The type of of schema.  Must start with a HASH type, with an optional second RANGE.
        { // Required HASH type attribute
            AttributeName: 'hash_key_attribute_name',
            KeyType: 'HASH',
        },
        { // Optional RANGE key type for HASH + RANGE tables
            AttributeName: 'range_key_attribute_name',
            KeyType: 'RANGE',
        }
    ],
    AttributeDefinitions: [ // The names and types of all primary and index key attributes only
        {
            AttributeName: 'hash_key_attribute_name',
            AttributeType: 'S', // (S | N | B) for string, number, binary
        },
        {
            AttributeName: 'range_key_attribute_name',
            AttributeType: 'S', // (S | N | B) for string, number, binary
        },
        {
            AttributeName: 'index_hash_key_attribute_name_1',
            AttributeType: 'S', // (S | N | B) for string, number, binary
        },
        {
            AttributeName: 'index_range_key_attribute_name_1',
            AttributeType: 'S', // (S | N | B) for string, number, binary
        },
        {
            AttributeName: 'index_range_key_attribute_name_2',
            AttributeType: 'S', // (S | N | B) for string, number, binary
        },

        // ... more attributes ...
    ],
    ProvisionedThroughput: { // required provisioned throughput for the table
        ReadCapacityUnits: 1,
        WriteCapacityUnits: 1,
    },
    GlobalSecondaryIndexes: [ // optional (list of GlobalSecondaryIndex)
        {
            IndexName: 'index_name_1',
            KeySchema: [
                { // Required HASH type attribute
                    AttributeName: 'index_hash_key_attribute_name_1',
                    KeyType: 'HASH',
                },
                { // Optional RANGE key type for HASH + RANGE secondary indexes
                    AttributeName: 'index_range_key_attribute_name_1',
                    KeyType: 'RANGE',
                }
            ],
            Projection: { // attributes to project into the index
                ProjectionType: 'INCLUDE', // (ALL | KEYS_ONLY | INCLUDE)
                NonKeyAttributes: [ // required / allowed only for INCLUDE
                    'attribute_name_1',
                    // ... more attribute names ...
                ],
            },
            ProvisionedThroughput: { // throughput to provision to the index
                ReadCapacityUnits: 1,
                WriteCapacityUnits: 1,
            },
        },
        // ... more global secondary indexes ...
    ],
    LocalSecondaryIndexes: [ // optional (list of LocalSecondaryIndex)
        {
            IndexName: 'index_name_2',
            KeySchema: [
                { // Required HASH type attribute - must match the table's HASH key attribute name
                    AttributeName: 'hash_key_attribute_name',
                    KeyType: 'HASH',
                },
                { // alternate RANGE key attribute for the secondary index
                    AttributeName: 'index_range_key_attribute_name_2',
                    KeyType: 'RANGE',
                }
            ],
            Projection: { // required
                ProjectionType: 'INCLUDE', // (ALL | KEYS_ONLY | INCLUDE)
                NonKeyAttributes: [ // required / allowed only for INCLUDE
                    'attribute_name_1',
                    // ... more attribute names ...
                ],
            },
        },
        // ... more local secondary indexes ...
    ],
};
dynamodb.createTable(params, function(err, data) {
    if (err) console.error(err); // an error occurred
    else console.log(data); // successful response

});