dolan

Keybase proof

I hereby claim:

• I am dolan on github.
• I am ddolan (https://keybase.io/ddolan) on keybase.
• I have a public key ASAlOUW79qborZe18zFLGsVsEThOWG1RSK7X-a6EWMk3igo

To claim this, I am signing this object:

dolan

class CreateItemChildrenCountView < ActiveRecord::Migration
  def self.up
    execute <<-SQL
      CREATE VIEW item_children_count AS
      SELECT parent_id AS item_id, COUNT(*) as children_count
      FROM items GROUP BY parent_id;
    SQL
  end

  def self.down