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Class: ActiveRecord::Migration::Compatibility::V5_0

Do not use. This class is for internal use only.

Instance Method Summary

V5_1 - Inherited

#change_column, #create_table

V5_2 - Inherited

#add_timestamps, #command_recorder, #compatible_table_definition

V6_0 - Inherited

#add_belongs_to

Alias for V6_0#add_reference.
#add_reference, #compatible_table_definition

V6_1 - Inherited

#add_column, #change_column, #compatible_table_definition

V7_0 - Inherited

#add_belongs_to

Alias for V7_0#add_reference.
#add_column, #add_foreign_key, #add_index, #add_reference, #change_column, #change_column_null, #create_table, #disable_extension, #rename_table, #compatible_table_definition

V7_0::LegacyIndexName - Included

#expression_column_name?, #index_name_options, #legacy_index_name

V8_0 - Inherited

#compatible_table_definition

V8_0::RemoveForeignKeyColumnMatch - Included

#remove_foreign_key

::ActiveRecord::Migration::Current - Inherited

#change_table, #compatible_table_definition, #create_join_table, #create_table, #drop_table

Instance Method Details

#add_belongs_to(table_name, ref_name, **options)

Alias for #add_reference.

[ GitHub ] 

  


# File 'activerecord/lib/active_record/migration/compatibility.rb', line 422



alias :add_belongs_to :add_reference


  








  

    #add_column(table_name, column_name, type, **options)  
  

  [ GitHub ]


  

  


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



def add_column(table_name, column_name, type, **options)
  if type == :primary_key
    type = :integer
    options[:primary_key] = true
  elsif type == :datetime
    options[:precision] ||= nil
  end
  super
end


  








  

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

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration/compatibility.rb', line 419



def add_reference(table_name, ref_name, **options)
  super(table_name, ref_name, type: :integer, **options)
end


  








  

    #compatible_table_definition(t)   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration/compatibility.rb', line 425



def compatible_table_definition(t)
  t.singleton_class.prepend(TableDefinition)
  super
end


  








  

    #create_join_table(table_1, table_2, column_options: {}, **options)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration/compatibility.rb', line 404



def create_join_table(table_1, table_2, column_options: {}, **options)
  column_options.reverse_merge!(type: :integer)
  super
end


  








  

    #create_table(table_name, **options)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration/compatibility.rb', line 381



def create_table(table_name, **options)
  if connection.adapter_name == "PostgreSQL"
    if options[:id] == :uuid && !options.key?(:default)
      options[:default] = "uuid_generate_v4()"
    end
  end

  unless ["Mysql2", "Trilogy"].include?(connection.adapter_name) && options[:id] == :bigint
    if [:integer, :bigint].include?(options[:id]) && !options.key?(:default)
      options[:default] = nil
    end
  end

  # Since 5.1 PostgreSQL adapter uses bigserial type for primary
  # keys by default and MySQL uses bigint. This compat layer makes old migrations utilize
  # serial/int type instead -- the way it used to work before 5.1.
  unless options.key?(:id)
    options[:id] = :integer
  end

  super
end