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CODI Schema

This project reads in the PCORnet Common Data Model v6.0 Parseable Spreadsheet Format and will create database tables to represent the CDM.

This application is written in Ruby and it uses the Sequel library to generate the appropriate DDL.

This script currently creates the tables, sets not null constraints and primary keys. It does not yet handle creating the foreign key relationships.

Note The CSV files were created using Excel to open the parseable file and then perform an export to CSV. Excel will put a Byte Order Marker (BOM) in the file, which throws off the standard ruby CSV parsing library. The CSV files were re-encoded to UTF-8 using Visual Studio Code.

Prerequisites

This was built using ruby 2.6.2. It used inline Bundler to manage dependencies. Assuming you have ruby installed, you can:

gem install bundler

Running

The connection information exists in the ruby file: build_db.rb:

DB = Sequel.connect(adapter: 'postgres', :host => 'localhost',
  :database => 'codi',
  :user => 'codi',
  :password => 'codi')

Change these values as appropriate to point to your database instance. The following adapters should be supported: postgres, mysql, oracle, mssql

To create the schema, just run the script:

ruby build_db.rb

It assumes that the database has been created and is empty. It will create all of the columns after that.

Postgres

The Postgres user must have CONNECT and CREATE privileges in order for this script to run successfully. A user can be granted these scopes with:

GRANT CONNECT ON DATABASE codi_db TO codi;
GRANT CREATE ON DATABASE codi_db TO codi;

Postgres Privileges

Notice

Copyright 2022 The MITRE Corporation.

Approved for Public Release; Distribution Unlimited. Case Number 19-2008