Dev Bit: Auto generate UUID with Postgres and Rails 4 | Blog
Rails 4 has native support for the type UUID (Universally Unique Identifier) in Postgres. In this Div Bit I will describe how you can use it for generating UUIDs without doing it manually in your Rails code. First you need to enable the Postgres extension ‘uuid-ossp’: class CreateUuidPsqlExtension < ActiveRecord::Migration def self.up execute "CREATE EXTENSION \"uuid-ossp\";" end def self.down exe
Tagging in Rails 4 using PostgreSQL arrays
Most Rails app has some kind of need for tags. There’s plenty of gems out there and one of the most popular one is acts-as-taggable-on. But if you’re using PostgreSQL for your Rails app you can use PostgreSQLs array data type instead. In this blog post I’m going to show how you can make use of them in Rails 4. Setup Make sure you have the Rails 4 gem activated and PostgreSQL installed then run: ra
Rails 4.0 Sneak Peek: PostgreSQL array support - DockYard
I’m happy to announce that Rails 4.0 now has support for PostgreSQL arrays. You can create an array column easily at the time of migration by adding :array => true. Creating an array column will respect the other options you add to the column (length, default, etc). create_table :table_with_arrays do |t| t.integer :int_array, :array => true # integer[] t.integer :int_array, :array => true, :length
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PostgreSQL 9.2 Range Columns and Rails 4 | CRAZ8 Blog
Support for PostgreSQL's ltree data type. · rails/rails@e209107
