Class: CreateMetadata

Inherits:
ActiveRecord::Migration
  • Object
show all
Defined in:
lib/generators/metadata/migration/templates/migration.rb

Class Method Summary collapse

Class Method Details

.down ⇒ Object 



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# File 'lib/generators/metadata/migration/templates/migration.rb', line 39

def self.down
  drop_table :metadata
  drop_table :metadata_types
end

.up ⇒ Object 



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# File 'lib/generators/metadata/migration/templates/migration.rb', line 2

def self.up
  create_table :metadata do |t|
    t.column :id, :integer
    t.column :metadata_type, :string
    t.column :model_id, :integer
    t.column :model_type, :string
    t.column :value, :text
    t.column :search_value, :string
    
    t.timestamp :deleted_at, :default => nil
    t.timestamps
  end
  
  create_table :metadata_types do |t|
    t.column :id, :integer
    t.column :name, :string
    t.column :description, :text
    t.column :tag, :string
  t.column :datatype, :string, :default => "string"
    t.column :mandatory, :boolean, :default => false
    t.column :multiple, :boolean, :default => false
    t.column :format, :string
    t.column :values, :text
    t.column :models, :string, :default => '--- []'
    t.column :default, :text     
 
    t.timestamp :deleted_at, :default => nil
    t.timestamps
  end
  
  add_index :metadata_types, :datatype
  add_index :metadata_types, :tag, :unique => true
  add_index :metadata, :metadata_type
  add_index :metadata, [:metadata_type, :search_value]
  add_index :metadata, [:model_id, :model_type]
end