Tag Archives: postgres

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This is just a quick one to say that I’ve spun out the Postgres database support out of Known core and into a community supported plugin.

The reason for this is basically that I want to put in some significant data model changes into Known core in the next few months, and due to my other commitments (and lack of Postgres expertise), I don’t have the resources to maintain this myself.

Anyone who’s interested in picking up Postgres support, please reach out in the comments or by email. I’ll also do my best to keep things up to date, but I’m unfortunately spread pretty thin these days!

» Visit the project on Github...

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I was recently trying to develop some Known schema changes, and had the need to start kicking about Known in a Postgres environment.

Known supports Postgres out of the box, but I admit it’s a less trodden path. I don’t routinely use Postgres (I tend to favour mysql/mariadb, purely because that’s what I’m used to), and it’s usually a pain to switch environments.

I previously built a docker development environment, so I took the obvious (and as it turned out trivial) next step to build a Postgres version.

Installation

  • Download and install docker
  • Add this docker image to known using composer composer require mapkyca/mapkyca-known-docker-postgres --dev

This will create a docker environment in /vendor/mapkyca/mapkyca-known-docker-postgres/

Usage

  • cd /vendor/mapkyca/mapkyca-known-docker-postgres/
  • docker-compose up
  • Point your browser at localhost:8089 and install in the usual way

» Visit the project on Github...

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The other week, I wrote about introducing SQLite support to Known.

Seemingly, I was on a role, and because a client asked me to look in to Postgres support for a separate project, I thought I’d have a crack at implementing support for Known, which I’m glad has been merged in.

This turns out to have been useful to a bunch of folk, for which I am glad.

Installation

Postgres support is still in Beta, and MySQL is still the recommended database engine, so currently installation is a bit of a manual process.

First, you need to make sure you’ve got Postgres support built in to PHP:

apt-get install php5-pgsql
php5enmod pgsql

Then, you need to modify your config.ini

database = 'Postgres'
dbname = 'dbname'
dbpass = 'password'
dbuser = 'username'
dbhost = 'hostname'

filesystem = 'local'
uploadpath = '/path/to/upload_directory/

Once you’ve done that, you need to install the schema, which currently needs to be done from the command line.

psql -c 'create database ;' -U 
psql -U  -d  -a -f schemas/postgres/postgres.sql

Assuming you got no errors, you should now be good to go!