class ActiveRecord::ConnectionAdapters::MemsqlAdapter

Constants

ADAPTER_NAME

Public Class Methods

database_exists?(config) click to toggle source
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 50
def self.database_exists?(config)
  !!ActiveRecord::Base.memsql_connection(config)
rescue ActiveRecord::NoDatabaseError
  false
end
new(connection, logger, connection_options, config) click to toggle source
Calls superclass method
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 44
def initialize(connection, logger, connection_options, config)
  superclass_config = config.reverse_merge(prepared_statements: false)
  super(connection, logger, connection_options, superclass_config)
  configure_connection
end

Public Instance Methods

active?() click to toggle source
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 108
def active?
  @connection.ping
end
disconnect!() click to toggle source

Disconnects from the database if already connected. Otherwise, this method does nothing.

Calls superclass method
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 121
def disconnect!
  super
  @connection.close
end
error_number(exception) click to toggle source
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 92
def error_number(exception)
  exception.error_number if exception.respond_to?(:error_number)
end
quote_string(string) click to toggle source
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 100
def quote_string(string)
  @connection.escape(string)
end
reconnect!() click to toggle source
Calls superclass method
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 112
def reconnect!
  super
  disconnect!
  connect
end
Also aliased as: reset!
reset!()
Alias for: reconnect!
supports_advisory_locks?() click to toggle source
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 76
def supports_advisory_locks?
  false
end
supports_comments?() click to toggle source
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 60
def supports_comments?
  true
end
supports_comments_in_create?() click to toggle source
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 64
def supports_comments_in_create?
  true
end
supports_json?() click to toggle source
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 56
def supports_json?
  !mariadb? && database_version >= "5.7.8"
end
supports_lazy_transactions?() click to toggle source
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 72
def supports_lazy_transactions?
  true
end
supports_savepoints?() click to toggle source
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 68
def supports_savepoints?
  true
end

Private Instance Methods

configure_connection() click to toggle source
Calls superclass method
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 139
def configure_connection
  @connection.query_options[:as] = :array
  super
end
connect() click to toggle source
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 134
def connect
  @connection = Mysql2::Client.new(@config)
  configure_connection
end
full_version() click to toggle source
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 144
def full_version
  schema_cache.database_version.full_version_string
end
get_full_version() click to toggle source
# File lib/active_record/connection_adapters/memsql_adapter.rb, line 148
def get_full_version
  @connection.server_info[:version]
end