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

Inherits:
V5_0
  • Object
show all
Defined in:
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

Methods inherited from V5_1

#change_column

Instance Method Details

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



159
160
161
162
 
# File 'lib/active_record/migration/compatibility.rb', line 159

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

#add_timestamps(_, **options) ⇒ Object 



165
166
167
168
 
# File 'lib/active_record/migration/compatibility.rb', line 165

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

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



149
150
151
152
153
154
155
156
157
 
# File 'lib/active_record/migration/compatibility.rb', line 149

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

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



139
140
141
142
143
144
145
146
147
 
# File 'lib/active_record/migration/compatibility.rb', line 139

def create_table(table_name, options = {})
  if block_given?
    super do |t|
      yield compatible_table_definition(t)
    end
  else
    super
  end
end

#index_exists?(table_name, column_name, options = {}) ⇒ Boolean

Returns:

  • (Boolean) 


170
171
172
173
174
175
176
177
178
179
 
# File 'lib/active_record/migration/compatibility.rb', line 170

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, options = {}) ⇒ Object 



181
182
183
184
185
 
# File 'lib/active_record/migration/compatibility.rb', line 181

def remove_index(table_name, options = {})
  options = { column: options } unless options.is_a?(Hash)
  options[:name] = index_name_for_remove(table_name, options)
  super(table_name, options)
end