Class: ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Range

Inherits:
Type::Value
  • Object
show all
Defined in:
activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(subtype, type = :range) ⇒ Range

Returns a new instance of Range.


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# File 'activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb', line 11

def initialize(subtype, type = :range)
  @subtype = subtype
  @type = type
end

Instance Attribute Details

#subtypeObject (readonly)

Returns the value of attribute subtype


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# File 'activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb', line 8

def subtype
  @subtype
end

#typeObject (readonly)

Returns the value of attribute type


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# File 'activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb', line 8

def type
  @type
end

Instance Method Details

#==(other) ⇒ Object


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# File 'activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb', line 44

def ==(other)
  other.is_a?(Range) &&
    other.subtype == subtype &&
    other.type == type
end

#cast_value(value) ⇒ Object


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# File 'activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb', line 20

def cast_value(value)
  return if value == 'empty'
  return value unless value.is_a?(::String)

  extracted = extract_bounds(value)
  from = type_cast_single extracted[:from]
  to = type_cast_single extracted[:to]

  if !infinity?(from) && extracted[:exclude_start]
    raise ArgumentError, "The Ruby Range object does not support excluding the beginning of a Range. (unsupported value: '#{value}')"
  end
  ::Range.new(from, to, extracted[:exclude_end])
end

#map(value) ⇒ Object

:nodoc:


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# File 'activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb', line 50

def map(value) # :nodoc:
  new_begin = yield(value.begin)
  new_end = yield(value.end)
  ::Range.new(new_begin, new_end, value.exclude_end?)
end

#serialize(value) ⇒ Object


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# File 'activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb', line 34

def serialize(value)
  if value.is_a?(::Range)
    from = type_cast_single_for_database(value.begin)
    to = type_cast_single_for_database(value.end)
    "[#{from},#{to}#{value.exclude_end? ? ')' : ']'}"
  else
    super
  end
end

#type_cast_for_schema(value) ⇒ Object


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# File 'activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb', line 16

def type_cast_for_schema(value)
  value.inspect.gsub('Infinity', '::Float::INFINITY')
end