#

• ==,
• []

E

• each_key

F

• fetch

K

• key?,
• keys

L

• length

N

• new

S

• size

T

• to_h,
• to_hash

类公共方法

# File activerecord/lib/active_record/result.rb, line 45
def initialize(column_indexes, row)
  @column_indexes = column_indexes
  @row = row
end

实例公共方法

# File activerecord/lib/active_record/result.rb, line 63
def ==(other)
  if other.is_a?(Hash)
    to_hash == other
  else
    super
  end
end

# File activerecord/lib/active_record/result.rb, line 85
def [](column)
  if index = @column_indexes[column]
    @row[index]
  end
end

# File activerecord/lib/active_record/result.rb, line 55
def each_key(&block)
  @column_indexes.each_key(&block)
end

# File activerecord/lib/active_record/result.rb, line 75
def fetch(column)
  if index = @column_indexes[column]
    @row[index]
  elsif block_given?
    yield
  else
    raise KeyError, "key not found: #{column.inspect}"
  end
end

# File activerecord/lib/active_record/result.rb, line 71
def key?(column)
  @column_indexes.key?(column)
end

# File activerecord/lib/active_record/result.rb, line 59
def keys
  @column_indexes.keys
end

# File activerecord/lib/active_record/result.rb, line 50
def size
  @column_indexes.size
end

# File activerecord/lib/active_record/result.rb, line 91
def to_h
  @column_indexes.transform_values { |index| @row[index] }
end