Adding a custom Postgresql Type with Rails 4.2

In one of my Rails applications, we are using the PostGIS custom Postgres data type GEOGRAPHY. When ActiveRecord stumbles across this data type, by default it does not know what to do with it. Prior to Rails 4.1, there was a utility method on the ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::OID module called register_type. In Rails 4.2, this method was… Read more Adding a custom Postgresql Type with Rails 4.2

Fixing unknown OID: geography errors with PostGis and Rails 4.0

Recently, when migrating a large Rails application to Rails 4.0 that used PostGis, I kept getting warnings like: unknown OID: geography(1838124) Thanks to I just added a file config/initializers/postgres_oids.rb with content: ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.tap do |klass| # Use identity which does no casting klass::OID.register_type(‘geography’, end

ActiveRecord default_scope is an Anti-Pattern

TL;DR Active Record’s default_scope should be renamed to something like always_prepend_scope to better describe what the method does. The Inspiration The other day, "default_scope" is an anti-pattern came across my twitter feed.  Having been burned by this issue I get the sentiment. The Problem with default_scope Let’s say I have a simple class like the… Read more ActiveRecord default_scope is an Anti-Pattern

Solr Sorting Tidbit

The basic requirement was a fuzzy search on a series of business names and locations using a Levenshtein fuzzy string to handle typos, with results being returned with those whose name started with the query term displayed first followed by others that may have matched.  For our purposes, let’s say I had the following data… Read more Solr Sorting Tidbit