Mayzie/postgres-eeg

A PostgreSQL extension that adds support for a new data type, EEG, which supports EDF EEG data for analysis.

PostgreSQL EEG Extension

A PostgreSQL extension that can interface with EEG data.

Prerequisites

• PostgreSQL headers
• PGXS (PostgreSQL build system)
• FFTW3 headers (Fast Fourier Transform library, version 3)

All packages should be able to be installed via your distributions repositories. Under ArchLinux, these packages are:

• postgresql
• fftw

Installation

1. Enter this directory
2. make -- Compiles extension with your local PostgreSQL version (pg_config in your PATH)
3. sudo make install -- Installs your extension into your PostgreSQL distribution
4. In a Postgres schema, type (SQL): CREATE EXTENSION EEG; to load the extension into your current schema

Resources

• Extension Creation Guide: http://www.postgresql.org/docs/9.4/static/extend.html
• Brief reference on creating custom Postgres data types: http://www.postgresql.org/docs/9.4/static/xtypes.html
• Information on EEG data: https://en.wikipedia.org/wiki/Quantitative_electroencephalograph

File Hierarchy

(All files are relative to the root directory)

• ./eeg.c - PostgreSQL extension C source code file
• ./Makefile - Build instructions for building and installing the extension (see above, under "Installation" heading)
• ./eeg.control - Extension definition file
• ./eeg--1.0.sql - Bridge between the built shared library and the database/developer. Contains all SQL functions and the signal data structure definition
• ./README.eeg - Documentation on how to use the various functions the extension provides