instance method `index`

Ruby on Rails 5.2.8.1

Since v4.0.13

Available in: v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

index(column_name, options = {})

Adds index options to the indexes hash, keyed by column name This is primarily used to track indexes that need to be created after the table

index(:account_id, name: 'index_projects_on_account_id')

Parameters

column_name req
options opt = {}

Source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 380
      def index(column_name, options = {})
        indexes << [column_name, options]
      end

Defined in activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb line 380 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::TableDefinition

Signature

Parameters