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

Inherits:
V5_1
  • Object
show all
Defined in:
lib/active_record/migration/compatibility.rb

Direct Known Subclasses

V4_2

Defined Under Namespace

Modules: TableDefinition

Instance Method Summary collapse

Instance Method Details

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


69
70
71
# File 'lib/active_record/migration/compatibility.rb', line 69

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

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


56
57
58
59
60
61
62
63
64
65
66
67
# File 'lib/active_record/migration/compatibility.rb', line 56

def change_table(table_name, options = {})
  if block_given?
    super(table_name, options) do |t|
      class << t
        prepend TableDefinition
      end
      yield t
    end
  else
    super
  end
end

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


24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
# File 'lib/active_record/migration/compatibility.rb', line 24

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

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

  # Since 5.1 Postgres 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

  if block_given?
    super(table_name, options) do |t|
      class << t
        prepend TableDefinition
      end
      yield t
    end
  else
    super
  end
end