class ActiveRecord::ConnectionAdapters::Mysql2Adapter
Constants
- ADAPTER_NAME
Public Class Methods
new(connection, logger, connection_options, config)
click to toggle source
Calls superclass method
ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter.new
# File lib/active_record/connection_adapters/mysql2_adapter.rb, line 38 def initialize(connection, logger, connection_options, config) super @prepared_statements = false unless config.key?(:prepared_statements) configure_connection end
Public Instance Methods
active?()
click to toggle source
# File lib/active_record/connection_adapters/mysql2_adapter.rb, line 88 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
ActiveRecord::ConnectionAdapters::AbstractAdapter#disconnect!
# File lib/active_record/connection_adapters/mysql2_adapter.rb, line 101 def disconnect! super @connection.close end
error_number(exception)
click to toggle source
# File lib/active_record/connection_adapters/mysql2_adapter.rb, line 72 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/mysql2_adapter.rb, line 80 def quote_string(string) @connection.escape(string) end
reconnect!()
click to toggle source
Calls superclass method
ActiveRecord::ConnectionAdapters::AbstractAdapter#reconnect!
# File lib/active_record/connection_adapters/mysql2_adapter.rb, line 92 def reconnect! super disconnect! connect end
Also aliased as: reset!
supports_comments?()
click to toggle source
# File lib/active_record/connection_adapters/mysql2_adapter.rb, line 48 def supports_comments? true end
supports_comments_in_create?()
click to toggle source
# File lib/active_record/connection_adapters/mysql2_adapter.rb, line 52 def supports_comments_in_create? true end
supports_json?()
click to toggle source
# File lib/active_record/connection_adapters/mysql2_adapter.rb, line 44 def supports_json? !mariadb? && version >= "5.7.8" end
supports_savepoints?()
click to toggle source
# File lib/active_record/connection_adapters/mysql2_adapter.rb, line 56 def supports_savepoints? true end
Private Instance Methods
configure_connection()
click to toggle source
Calls superclass method
ActiveRecord::ConnectionAdapters::AbstractMysqlAdapter#configure_connection
# File lib/active_record/connection_adapters/mysql2_adapter.rb, line 113 def configure_connection @connection.query_options.merge!(as: :array) super end
connect()
click to toggle source
# File lib/active_record/connection_adapters/mysql2_adapter.rb, line 108 def connect @connection = Mysql2::Client.new(@config) configure_connection end
full_version()
click to toggle source
# File lib/active_record/connection_adapters/mysql2_adapter.rb, line 118 def full_version @full_version ||= @connection.server_info[:version] end