Class: ActiveRecord::Migration::Compatibility::V4_2

Inherits:
V5_0 show all
Defined in:
activerecord/lib/active_record/migration/compatibility.rb

Defined Under Namespace

Modules: TableDefinition

Instance Method Summary collapse

Methods inherited from V5_0

#add_column, #create_join_table, #create_table

Methods inherited from V5_1

#change_column, #create_table

Methods inherited from V5_2

#change_table, #create_join_table, #create_table

Methods inherited from V6_0

#change_table, #create_join_table, #create_table

Methods inherited from V6_1

#add_column, #change_table, #create_table

Methods inherited from V7_0

#change_table, #create_table

Instance Method Details

#add_reference(table_name, ref_name, **options) ⇒ Object Also known as: add_belongs_to


384
385
386
387
# File 'activerecord/lib/active_record/migration/compatibility.rb', line 384

def add_reference(table_name, ref_name, **options)
  options[:index] ||= false
  super
end

#add_timestamps(table_name, **options) ⇒ Object


390
391
392
393
# File 'activerecord/lib/active_record/migration/compatibility.rb', line 390

def add_timestamps(table_name, **options)
  options[:null] = true if options[:null].nil?
  super
end

#index_exists?(table_name, column_name, **options) ⇒ Boolean

Returns:

  • (Boolean)

395
396
397
398
399
400
401
402
403
404
# File 'activerecord/lib/active_record/migration/compatibility.rb', line 395

def index_exists?(table_name, column_name, **options)
  column_names = Array(column_name).map(&:to_s)
  options[:name] =
    if options[:name].present?
      options[:name].to_s
    else
      connection.index_name(table_name, column: column_names)
    end
  super
end

#remove_index(table_name, column_name = nil, **options) ⇒ Object


406
407
408
409
# File 'activerecord/lib/active_record/migration/compatibility.rb', line 406

def remove_index(table_name, column_name = nil, **options)
  options[:name] = index_name_for_remove(table_name, column_name, options)
  super
end