Class: ActiveRecord::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/active_record_shards/connection_specification.rb

Class Method Summary collapse

Class Method Details

.establish_connection(spec = ENV["DATABASE_URL"]) ⇒ Object



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# File 'lib/active_record_shards/connection_specification.rb', line 5

def establish_connection(spec = ENV["DATABASE_URL"])
  spec ||= ActiveRecord::ConnectionHandling::DEFAULT_ENV.call
  spec = spec.to_sym if spec.is_a?(String)
  resolver = ActiveRecordShards::ConnectionSpecification::Resolver.new configurations
  spec = resolver.spec(spec)

  unless respond_to?(spec.adapter_method)
    raise AdapterNotFound, "database configuration specifies nonexistent #{spec.config[:adapter]} adapter"
  end

  remove_connection
  specification_cache[connection_pool_name] = spec
  connection_handler.establish_connection self, spec
end