Class: MigrationDefs::Column

Inherits:

AbstractMigrationClass

• Object
• AbstractMigrationClass
• MigrationDefs::Column

Defined in:

lib/migration_defs.rb

Instance Attribute Summary

• #name ⇒ Object

  Returns the value of attribute name.

• #option ⇒ Object

  Returns the value of attribute option.

• #type ⇒ Object

  Returns the value of attribute type.

Instance Method Summary

• #get_str(prefix = 't.') ⇒ Object
• #initialize(type, name = '', *p_option) ⇒ Column constructor

  A new instance of Column.

• #set_option(key, val) ⇒ Object

Constructor Details

#initialize(type, name = '', *p_option) ⇒ Column

Returns a new instance of Column.

# File 'lib/migration_defs.rb', line 190

def initialize(type, name = '', *p_option)
  return nil if !ColumnType.has_key?(type)

  @type = type
  @name = name
  @option = ColumnOption.new
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.

# File 'lib/migration_defs.rb', line 188

def name
  @name
end

#option ⇒ Object

Returns the value of attribute option.

# File 'lib/migration_defs.rb', line 188

def option
  @option
end

#type ⇒ Object

Returns the value of attribute type.

# File 'lib/migration_defs.rb', line 188

def type
  @type
end

Instance Method Details

#get_str(prefix = 't.') ⇒ Object

# File 'lib/migration_defs.rb', line 213

def get_str(prefix = 't.')
  result = prefix + @type
  result += " :#{@name}" if (@type != 'timestamps') && (@type != 'attachment') && (@type != 'belongs_to')
  result += @option.get_str
end

#set_option(key, val) ⇒ Object

# File 'lib/migration_defs.rb', line 198

def set_option(key, val)
  case key
  when 'limit'
    @option.limit = val.to_i
  when 'default'
    @option.default = val
  when 'null'
    @option.null = (val == 'true')
  when 'precision'
    @option.precision = val.to_i
  when 'scale'
    @option.scale = val.to_i
  end
end