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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:
Extension / Inclusion / Inheritance Descendants
Subclasses:
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
Instance Chain:
Inherits: ActiveRecord::Migration::Compatibility::V7_1
Defined in: activerecord/lib/active_record/migration/compatibility.rb

Constant Summary

::ActiveRecord::Migration - Inherited

MigrationFilenameRegexp

Class Attribute Summary

::ActiveRecord::Migration - Inherited

.verbose

Specifies if migrations will write the actions they are taking to the console as they happen, along with benchmarks describing how long each step took.

.any_schema_needs_update?, .delegate, .disable_ddl_transaction

Class Method Summary

Instance Attribute Summary

Instance Method Summary

LegacyIndexName - Included

::ActiveRecord::Migration::Current - Inherited

::ActiveRecord::Migration - Inherited

#announce, #connection, #connection_pool, #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 114

alias :add_belongs_to :add_reference

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

[ GitHub ]

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

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 148

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 105

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 110

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 129

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 137

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 156

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 116

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 141

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 123

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