Exception: Mysql::Error

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

Direct Known Subclasses

ClientError, ServerError

Constant Summary collapse

ERRNO = 
0

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(message, sqlstate = 'HY000') ⇒ Error

Returns a new instance of Error.



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# File 'lib/mysql/error.rb', line 25

def initialize(message, sqlstate='HY000')
  @sqlstate = sqlstate
  @error = message
  super message
end

Instance Attribute Details

#error ⇒ Object (readonly)

Returns the value of attribute error.



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# File 'lib/mysql/error.rb', line 23

def error
  @error
end

#sqlstate ⇒ Object (readonly)

Returns the value of attribute sqlstate.



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# File 'lib/mysql/error.rb', line 23

def sqlstate
  @sqlstate
end

Class Method Details

.define_error_class(prefix_re) ⇒ Object 



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# File 'lib/mysql/error.rb', line 9

def self.define_error_class(prefix_re)
  self.constants.each do |errname|
    errname = errname.to_s
    next unless errname =~ prefix_re
    errno = self.const_get errname
    excname = errname.sub(prefix_re,'').gsub(/(\A.|_.)([A-Z]+)/){$1+$2.downcase}.gsub(/_/,'')
    klass = Class.new self
    klass.const_set 'ERRNO', errno
    self.const_set excname, klass
    self::ERROR_MAP[errno] = klass
    Mysql::Error.const_set errname, errno
  end
end

Instance Method Details

#errno ⇒ Object 



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# File 'lib/mysql/error.rb', line 31

def errno
  self.class::ERRNO
end