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Class: ActiveRecord::Migration::Compatibility::V7_0

Do not use. This class is for internal use only.
Relationships & Source Files
Namespace Children
Modules:
LegacyIndexName, TableDefinition
Extension / Inclusion / Inheritance Descendants
Subclasses:
V4_2, V5_0, V5_1, V5_2, V6_0, V6_1
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ::ActiveRecord::Migration::Current, ::ActiveRecord::Migration
Instance Chain:
self, LegacyIndexName, ::ActiveRecord::Migration::Current, ::ActiveRecord::Migration
Inherits: ActiveRecord::Migration::Current
Defined in: activerecord/lib/active_record/migration/compatibility.rb

Constant Summary

::ActiveRecord::Migration - Inherited

MigrationFilenameRegexp

Class Attribute Summary

::ActiveRecord::Migration - Inherited

.verbose, .any_schema_needs_update?, .delegate, .disable_ddl_transaction

Class Method Summary

::ActiveRecord::Migration - Inherited

.[],
.check_all_pending!

Raises ::ActiveRecord::PendingMigrationError error if any migrations are pending for all database configurations in an environment.
.check_pending!

Raises ::ActiveRecord::PendingMigrationError error if any migrations are pending.
.current_version,
.disable_ddl_transaction!

Disable the transaction wrapping this migration.
.load_schema_if_pending!, .migrate, .new, .db_configs_in_current_env, .env, .pending_migrations, .check_pending_migrations, .inherited, .maintain_test_schema!, .method_missing, .nearest_delegate, .valid_version_format?

Instance Attribute Summary

::ActiveRecord::Migration - Inherited

#name, #reverting?, #verbose, #version

Instance Method Summary

LegacyIndexName - Included

#expression_column_name?, #index_name_options, #legacy_index_name

::ActiveRecord::Migration::Current - Inherited

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

::ActiveRecord::Migration - Inherited

#announce, #connection, #copy, #down, #exec_migration, #execution_strategy, #method_missing,
#migrate

Execute this migration in the named direction.
#next_migration_number

Determines the version number of the next migration.
#proper_table_name

Finds the correct table name given an Active Record object.
#reversible

Used to specify an operation that can be run in one direction or another.
#revert

Reverses the migration commands for the given block and the given migrations.
#run

Runs the given migration classes.
#say

Takes a message argument and outputs it as is.
#say_with_time

Outputs text along with how long it took to run its block.
#suppress_messages

Takes a block as an argument and suppresses any output generated by the block.
#up,
#up_only

Used to specify an operation that is only run when migrating up (for example, populating a new column with its initial values).
#write, #command_recorder, #execute_block, #format_arguments, #internal_option?, #disable_ddl_transaction,
#table_name_options

Builds a hash for use in ActiveRecord::Migration#proper_table_name using the Active Record object’s table_name prefix and suffix.

Constructor Details

This class inherits a constructor from ActiveRecord::Migration

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class ActiveRecord::Migration

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 109



alias :add_belongs_to :add_reference


  








  

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

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration/compatibility.rb', line 95



def add_column(table_name, column_name, type, **options)
  options[:_skip_validate_options] = true
  super
end


  








  

    #add_foreign_key(from_table, to_table, **options)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration/compatibility.rb', line 143



def add_foreign_key(from_table, to_table, **options)
  if connection.adapter_name == "PostgreSQL" && options[:deferrable] == true
    options[:deferrable] = :immediate
  end
  super
end


  








  

    #add_index(table_name, column_name, **options)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration/compatibility.rb', line 100



def add_index(table_name, column_name, **options)
  options[:name] = legacy_index_name(table_name, column_name) if options[:name].nil?
  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 105



def add_reference(table_name, ref_name, **options)
  options[:_skip_validate_options] = true
  super
end


  








  

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

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration/compatibility.rb', line 124



def change_column(table_name, column_name, type, **options)
  options[:_skip_validate_options] = true
  if connection.adapter_name == "Mysql2" || connection.adapter_name == "Trilogy"
    options[:collation] ||= :no_collation
  end
  super
end


  








  

    #change_column_null(table_name, column_name, null, default = nil)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration/compatibility.rb', line 132



def change_column_null(table_name, column_name, null, default = nil)
  super(table_name, column_name, !!null, default)
end


  








  

    #compatible_table_definition(t)   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration/compatibility.rb', line 151



def compatible_table_definition(t)
  class << t
    prepend TableDefinition
  end
  super
end


  








  

    #create_table(table_name, **options)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration/compatibility.rb', line 111



def create_table(table_name, **options)
  options[:_uses_legacy_table_name] = true
  options[:_skip_validate_options] = true

  super
end


  








  

    #disable_extension(name, **options)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration/compatibility.rb', line 136



def disable_extension(name, **options)
  if connection.adapter_name == "PostgreSQL"
    options[:force] = :cascade
  end
  super
end


  








  

    #rename_table(table_name, new_name, **options)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/migration/compatibility.rb', line 118



def rename_table(table_name, new_name, **options)
  options[:_uses_legacy_table_name] = true
  options[:_uses_legacy_index_name] = true
  super
end