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Class: ActiveRecord::Tasks::MySQLDatabaseTasks

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, AbstractTasks
Instance Chain:
self, AbstractTasks
Inherits: ActiveRecord::Tasks::AbstractTasks
Defined in: activerecord/lib/active_record/tasks/mysql_database_tasks.rb

Class Attribute Summary

AbstractTasks - Inherited

.using_database_configurations?

Class Method Summary

AbstractTasks - Inherited

.new

Instance Attribute Summary

AbstractTasks - Inherited

#configuration_hash, #db_config

Instance Method Summary

AbstractTasks - Inherited

#charset, #check_current_protected_environment!, #collation, #configuration_hash_without_database, #connection, #establish_connection, #run_cmd, #run_cmd_error, #with_temporary_pool

Constructor Details

This class inherits a constructor from ActiveRecord::Tasks::AbstractTasks

Instance Method Details

#charset

[ GitHub ] 

  


# File 'activerecord/lib/active_record/tasks/mysql_database_tasks.rb', line 23



def charset
  connection.charset
end


  








  

    #create  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/tasks/mysql_database_tasks.rb', line 6



def create
  establish_connection(configuration_hash_without_database)
  connection.create_database(db_config.database, creation_options)
  establish_connection
end


  








  

    #creation_options   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/tasks/mysql_database_tasks.rb', line 56



def creation_options
  Hash.new.tap do |options|
    options[:charset]     = configuration_hash[:encoding]   if configuration_hash.include?(:encoding)
    options[:collation]   = configuration_hash[:collation]  if configuration_hash.include?(:collation)
  end
end


  








  

    #drop  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/tasks/mysql_database_tasks.rb', line 12



def drop
  establish_connection
  connection.drop_database(db_config.database)
end


  








  

    #prepare_command_options   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/tasks/mysql_database_tasks.rb', line 63



def prepare_command_options
  args = {
    host:      "--host",
    port:      "--port",
    socket:    "--socket",
    username:  "--user",
    password:  "--password",
    encoding:  "--default-character-set",
    sslca:     "--ssl-ca",
    sslcert:   "--ssl-cert",
    sslcapath: "--ssl-capath",
    sslcipher: "--ssl-cipher",
    sslkey:    "--ssl-key",
    ssl_mode:  "--ssl-mode"
  }.filter_map { |opt, arg| "#{arg}=#{configuration_hash[opt]}" if configuration_hash[opt] }

  args
end


  








  

    #purge  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/tasks/mysql_database_tasks.rb', line 17



def purge
  establish_connection(configuration_hash_without_database)
  connection.recreate_database(db_config.database, creation_options)
  establish_connection
end


  








  

    #structure_dump(filename, extra_flags)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/tasks/mysql_database_tasks.rb', line 27



def structure_dump(filename, extra_flags)
  args = prepare_command_options
  args.concat(["--result-file", "#{filename}"])
  args.concat(["--no-data"])
  args.concat(["--routines"])
  args.concat(["--skip-comments"])

  ignore_tables = ActiveRecord::SchemaDumper.ignore_tables
  if ignore_tables.any?
    ignore_tables = connection.data_sources.select { |table| ignore_tables.any? { |pattern| pattern === table } }
    args += ignore_tables.map { |table| "--ignore-table=#{db_config.database}.#{table}" }
  end

  args.concat([db_config.database.to_s])
  args.unshift(*extra_flags) if extra_flags

  run_cmd("mysqldump", *args)
end


  








  

    #structure_load(filename, extra_flags)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/tasks/mysql_database_tasks.rb', line 46



def structure_load(filename, extra_flags)
  args = prepare_command_options
  args.concat(["--execute", %{SET FOREIGN_KEY_CHECKS = 0; SOURCE #{filename}; SET FOREIGN_KEY_CHECKS = 1}])
  args.concat(["--database", db_config.database.to_s])
  args.unshift(*extra_flags) if extra_flags

  run_cmd("mysql", *args)
end