AmazonDynamoDB.md

AmazonDynamoDB

AmazonDynamoDB source connector

Description

Read data from Amazon DynamoDB.

Key features

• batch
• stream
• exactly-once
• column projection
• parallelism
• support user-defined split

Options

name	type	required	default value
url	string	yes	-
region	string	yes	-
access_key_id	string	yes	-
secret_access_key	string	yes	-
table	string	yes	-
schema	config	yes	-
common-options		yes	-
scan_item_limit		false	-
parallel_scan_threads		false	-

url [string]

The URL to read to Amazon Dynamodb.

region [string]

The region of Amazon Dynamodb.

accessKeyId [string]

The access id of Amazon DynamoDB.

secretAccessKey [string]

The access secret of Amazon DynamoDB.

table [string]

The table of Amazon DynamoDB.

schema [Config]

fields [config]

Amazon Dynamodb is a NOSQL database service of support keys-value storage and document data structure,there is no way to get the data type.Therefore, we must configure schema.

such as:

schema {
  fields {
    id = int
    key_aa = string
    key_bb = string
  }
}

common options

Source Plugin common parameters, refer to Source Plugin for details

scan_item_limit

number of item each scan request should return

parallel_scan_threads

number of logical segments for parallel scan

Example

Amazondynamodb {
  url = "http://127.0.0.1:8000"
  region = "us-east-1"
  accessKeyId = "dummy-key"
  secretAccessKey = "dummy-secret"
  table = "TableName"
  schema = {
    fields {
      artist = string
      c_map = "map<string, array<int>>"
      c_array = "array<int>"
      c_string = string
      c_boolean = boolean
      c_tinyint = tinyint
      c_smallint = smallint
      c_int = int
      c_bigint = bigint
      c_float = float
      c_double = double
      c_decimal = "decimal(30, 8)"
      c_null = "null"
      c_bytes = bytes
      c_date = date
      c_timestamp = timestamp
    }
  }
}

Changelog

next version

• Add Amazon DynamoDB Source Connector
• Add source split to Amazondynamodb Connectors