Use unique index everywhere by default

lib/uuidable/migration.rb

@@ -1,22 +1,39 @@
 module Uuidable
  COLUMN_NAME = :uuid
  COLUMN_TYPE = :binary
- COLUMN_OPTIONS = { limit: 36, null: false, index: true }.freeze
+ COLUMN_OPTIONS = { limit: 36, null: false }.freeze
+ INDEX_OPTIONS = { unique: true }.freeze
 
  # Module adds method to table definition
  module TableDefinition
  def uuid(opts = {})
- column COLUMN_NAME, COLUMN_TYPE, opts.merge(COLUMN_OPTIONS)
+ index_opts = opts.delete(:index)
+ column_name = opts.delete(:column_name) || COLUMN_NAME
+
+ column column_name, COLUMN_TYPE, COLUMN_OPTIONS.merge(opts)
+ index column_name, INDEX_OPTIONS.merge(index_opts) unless index_opts == false
  end
  end
 
  # Module adds method to alter table migration
  module Migration
  def add_uuid_column(table_name, opts = {})
- add_column table_name, COLUMN_NAME, COLUMN_TYPE, opts.merge(COLUMN_OPTIONS)
+ index_opts = opts.delete(:index)
+ column_name = opts.delete(:column_name) || COLUMN_NAME
+
+ add_column table_name, column_name, COLUMN_TYPE, COLUMN_OPTIONS.merge(opts)
+
+ add_uuid_index(index_opts.merge(column_name: column_name)) unless index_opts == false
+ end
+
+ def add_uuid_index(table_name, opts = {})
+ column_name = opts.delete(:column_name) || COLUMN_NAME
+
+ add_index table_name, column_name, INDEX_OPTIONS.merge(opts)
  end
  end
 end
+
 if defined? ActiveRecord::ConnectionAdapters::TableDefinition
  ActiveRecord::ConnectionAdapters::TableDefinition.send :include, Uuidable::TableDefinition
 end

lib/uuidable/version.rb

@@ -1,3 +1,3 @@
 module Uuidable
- VERSION = '0.1.3'.freeze
+ VERSION = '0.2.0'.freeze
 end