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Class: ActiveRecord::Migration::Compatibility::V6_1

Do not use. This class is for internal use only.
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Inherits: ActiveRecord::Migration::Compatibility::V7_0
Defined in: activerecord/lib/active_record/migration/compatibility.rb

Constant Summary

::ActiveRecord::Migration - Inherited

MigrationFilenameRegexp

Class Attribute Summary

Class Method Summary

Instance Attribute Summary

Instance Method Summary

V7_0 - Inherited

V7_0::LegacyIndexName - Included

::ActiveRecord::Migration::Current - Inherited

::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_column(table_name, column_name, type, **options)

[ GitHub ]

  
# File 'activerecord/lib/active_record/migration/compatibility.rb', line 174

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

  type = PostgreSQLCompat.compatible_timestamp_type(type, connection)
  super
end

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

[ GitHub ]

  
# File 'activerecord/lib/active_record/migration/compatibility.rb', line 183

def change_column(table_name, column_name, type, **options)
  if type == :datetime
    options[:precision] ||= nil
  end

  type = PostgreSQLCompat.compatible_timestamp_type(type, connection)
  super
end

#compatible_table_definition(t) (private)

[ GitHub ]

  
# File 'activerecord/lib/active_record/migration/compatibility.rb', line 214

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