Class: ActiveRecord::ConnectionAdapters::PostgreSQLAdapter

Inherits:
Object
  • Object
show all
Defined in:
lib/versioned_record/connection_adapters/postgresql.rb

Instance Method Summary collapse

Instance Method Details

#create_table(table_name, options = {}) ⇒ Object

Provide versioned: true to create a versioned table Note that schema.rb cannot be used with versioned tables



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# File 'lib/versioned_record/connection_adapters/postgresql.rb', line 7

def create_table(table_name, options = {})
  if options[:versioned] 
    super(table_name, options.merge(id: false)) do |table|
      table.column :id, :serial
      table.integer :version, default: 0
      table.boolean :is_current_version, default: true
      yield(table)
    end
    add_index(table_name, [:id, :version], unique: true, name: "#{table_name}_versioned_pkey")
    execute("ALTER TABLE #{table_name} ADD PRIMARY KEY USING INDEX #{table_name}_versioned_pkey")
  else
    super
  end
end