Class: ActiveRecord::ConnectionAdapters::FrontBaseColumn

Inherits:
Column
  • Object
show all
Defined in:
lib/active_record/connection_adapters/frontbase_adapter.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Attributes inherited from Column

#default, #limit, #name, #null, #precision, #primary, #scale, #sql_type, #type

Instance Method Summary collapse

Methods inherited from Column

binary_to_string, #human_name, #klass, #number?, string_to_binary, string_to_date, string_to_dummy_time, string_to_time, #text?, value_to_boolean, value_to_decimal

Constructor Details

#initialize(base, name, type, typename, limit, precision, scale, default, nullable) ⇒ FrontBaseColumn

Returns a new instance of FrontBaseColumn.



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# File 'lib/active_record/connection_adapters/frontbase_adapter.rb', line 152

def initialize(base, name, type, typename, limit, precision, scale, default, nullable)
  
  @base       = base
  @name       = name
  @type       = simplified_type(type,typename,limit)
  @limit      = limit
  @precision  = precision
  @scale      = scale
  @default    = default
  @null       = nullable == "YES"
  @text       = [:string, :text].include? @type
  @number     = [:float, :integer, :decimal].include? @type
  @fb_autogen = false

  if @default
    @default.gsub!(/^'(.*)'$/,'\1') if @text
    @fb_autogen =  @default.include?("SELECT UNIQUE FROM")
    case @type
    when :boolean 
      @default = @default == "TRUE"
    when :binary
      if @default != "X''"
        buffer = ""
        @default.scan(/../) { |h| buffer << h.hex.chr }
        @default = buffer
      else
        @default = ""
      end
    else
      @default = type_cast(@default)
    end
  end
end

Instance Attribute Details

#fb_autogen ⇒ Object (readonly)

Returns the value of attribute fb_autogen.



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# File 'lib/active_record/connection_adapters/frontbase_adapter.rb', line 150

def fb_autogen
  @fb_autogen
end

Instance Method Details

#type_cast(value) ⇒ Object

Casts value (which is a String) to an appropriate instance.



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# File 'lib/active_record/connection_adapters/frontbase_adapter.rb', line 187

def type_cast(value)
  if type == :twelvebytekey
    ActiveRecord::ConnectionAdapters::TwelveByteKey.new(value)
  else
    super(value)
  end
end

#type_cast_code(var_name) ⇒ Object 



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# File 'lib/active_record/connection_adapters/frontbase_adapter.rb', line 195

def type_cast_code(var_name)
  if type == :twelvebytekey
    "ActiveRecord::ConnectionAdapters::TwelveByteKey.new(#{var_name})"
  else
    super(var_name)
  end
end