Exception: Mysql2::Error

Inherits:
StandardError
  • Object
show all
Defined in:
lib/mysql2/error.rb

Constant Summary collapse

ENCODE_OPTS = 
{
  undef: :replace,
  invalid: :replace,
  replace: '?'.freeze,
}.freeze
ConnectionError = 
Class.new(Error)
TimeoutError = 
Class.new(Error)
CODES = 
{
  1205 => TimeoutError, # ER_LOCK_WAIT_TIMEOUT

  1044 => ConnectionError, # ER_DBACCESS_DENIED_ERROR
  1045 => ConnectionError, # ER_ACCESS_DENIED_ERROR
  1152 => ConnectionError, # ER_ABORTING_CONNECTION
  1153 => ConnectionError, # ER_NET_PACKET_TOO_LARGE
  1154 => ConnectionError, # ER_NET_READ_ERROR_FROM_PIPE
  1155 => ConnectionError, # ER_NET_FCNTL_ERROR
  1156 => ConnectionError, # ER_NET_PACKETS_OUT_OF_ORDER
  1157 => ConnectionError, # ER_NET_UNCOMPRESS_ERROR
  1158 => ConnectionError, # ER_NET_READ_ERROR
  1159 => ConnectionError, # ER_NET_READ_INTERRUPTED
  1160 => ConnectionError, # ER_NET_ERROR_ON_WRITE
  1161 => ConnectionError, # ER_NET_WRITE_INTERRUPTED
  1927 => ConnectionError, # ER_CONNECTION_KILLED

  2001 => ConnectionError, # CR_SOCKET_CREATE_ERROR
  2002 => ConnectionError, # CR_CONNECTION_ERROR
  2003 => ConnectionError, # CR_CONN_HOST_ERROR
  2004 => ConnectionError, # CR_IPSOCK_ERROR
  2005 => ConnectionError, # CR_UNKNOWN_HOST
  2006 => ConnectionError, # CR_SERVER_GONE_ERROR
  2007 => ConnectionError, # CR_VERSION_ERROR
  2009 => ConnectionError, # CR_WRONG_HOST_INFO
  2012 => ConnectionError, # CR_SERVER_HANDSHAKE_ERR
  2013 => ConnectionError, # CR_SERVER_LOST
  2020 => ConnectionError, # CR_NET_PACKET_TOO_LARGE
  2026 => ConnectionError, # CR_SSL_CONNECTION_ERROR
  2027 => ConnectionError, # CR_MALFORMED_PACKET
  2047 => ConnectionError, # CR_CONN_UNKNOW_PROTOCOL
  2048 => ConnectionError, # CR_INVALID_CONN_HANDLE
  2049 => ConnectionError, # CR_UNUSED_1
}.freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(msg, server_version = nil, error_number = nil, sql_state = nil) ⇒ Error

Returns a new instance of Error.



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# File 'lib/mysql2/error.rb', line 53

def initialize(msg, server_version = nil, error_number = nil, sql_state = nil)
  @server_version = server_version
  @error_number = error_number
  @sql_state = sql_state ? sql_state.encode('ascii', **ENCODE_OPTS) : nil

  super(clean_message(msg))
end

Instance Attribute Details

#error_number ⇒ Object (readonly) Also known as: errno

Returns the value of attribute error_number.



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# File 'lib/mysql2/error.rb', line 47

def error_number
  @error_number
end

#sql_state ⇒ Object (readonly)

Returns the value of attribute sql_state.



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# File 'lib/mysql2/error.rb', line 47

def sql_state
  @sql_state
end

Class Method Details

.new_with_args(msg, server_version, error_number, sql_state) ⇒ Object 



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# File 'lib/mysql2/error.rb', line 61

def self.new_with_args(msg, server_version, error_number, sql_state)
  error_class = CODES.fetch(error_number, self)
  error_class.new(msg, server_version, error_number, sql_state)
end