DynamoDB Foreign Data Wrapper for postgresql

This data wrapper allows to do 'select *' queries on a DynamoDB database (NoSQL)

Install multicorn

First you need to activate multicorn extension in your pg database

CREATE EXTENSION multicorn;

Create Foreign Data Wrapper

Just paste this code to create server

CREATE SERVER multicorn_dynamo FOREIGN DATA WRAPPER multicorn
options (
    wrapper 'dynamodbfdw.dynamodbfdw.DynamoFdw'
);

Create Foreign Table

You have to replace this example fileds from yours, fill the region where you have your DynamoDB, and the name of your remote table

Example:

CREATE FOREIGN TABLE test (
    remote_filed1  character varying,
    remote_field2  integer
) server multicorn_dynamo options(
    aws_region  'YOUR AWS REGION HERE',
    remote_table 'remote_table'
);

Add user credentials

Store your aws credentials into a postgresql user mapping.

Example:

CREATE USER MAPPING FOR my_pg_user SERVER multicorn_dynamo OPTIONS (aws_access_key_id  'XXXXXXXXXXXXXXX',aws_secret_access_key  'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX');

Perform queries

You have a postgresql table now, for now, only read queries are working

SELECT * from test;