Description

A small Java/Spring Boot application to write per batch many records to any DynamoDB table. Application was made using AWS SDK v1.12.x for Java.

Environment variables

• AWS_REGION DynamoDB region name.
• AWS_ENDPOINT Server URL where DynamoDB is running.
• AWS_ACCESS_KEY_ID DynamoDB access key.
• AWS_ACCESS_KEY_ID DynamoDB secret key.
• LOGGING_LEVEL_DYNAMO_REQUEST Enable/Disable logs of DynamoDB query requests. To enable set DEBUG or to disable set NONE.

Structure of valid JSON request

{
  "table_name": "string",
  "content": {
    "Items": [
      {
        "string": {
          "B": "string",
          "BS": [
            "string"
          ],
          "L": [
            "AttributeValue"
          ],
          "BOOL": false,
          "N": "string",
          "NS": [
            "string"
          ],
          "NULL": true,
          "S": "string",
          "SS": [
            "string"
          ]
        }
      }
    ]
  }
}

Note: For now, DynamoDB data type of Map (M) isn't supported. About all DynamoDB data types, can visit this link.

Example of valid JSON request

{
  "table_name": "persons",
  "content": {
    "Items": [
      {
        "NAME": {
          "S": "JHONATAN"
        },
        "PHONES": {
          "L": [
            {
              "S": "789456"
            },
            {
              "S": "456987"
            }
          ]
        },
        "SIGN": {
          "B": "dGhpcyBmaXJzdCB0ZXh0IGlzIGJhc2U2NC1lbmNvZGVk"
        },
        "ID": {
          "N": "1"
        }
      },
      {
        "NAME": {
          "S": "DAVID"
        },
        "PHONES": {
          "L": [
            {
              "S": "123456"
            },
            {
              "S": "321654"
            }
          ]
        },
        "SIGN": {
          "B": "dGhpcyBzZWNvbmQgdGV4dCBpcyBiYXNlNjQtZW5jb2RlZA"
        },
        "ID": {
          "N": "2"
        }
      }
    ]
  }
}

Author

• Jhonatan David Castillo Salvador - @jhonatandevperu