Class: Torque::PostgreSQL::Arel::Nodes::Column

Inherits:
Arel::Nodes::Binary
  • Object
show all
Includes:
Arel::AliasPredication, Arel::Expressions, Arel::Math, Arel::OrderPredications, Arel::Predications
Defined in:
lib/torque/postgresql/arel/nodes.rb

Overview

Accessing a single column of a composite value, which behaves like an attribute of the composite type it belongs to

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source, name, type_caster) ⇒ Column

Returns a new instance of Column.



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# File 'lib/torque/postgresql/arel/nodes.rb', line 34

def initialize(source, name, type_caster)
  @type_caster = type_caster
  super(source, name.to_s)
end

Instance Attribute Details

#type_caster ⇒ Object (readonly)

Returns the value of attribute type_caster.



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# File 'lib/torque/postgresql/arel/nodes.rb', line 31

def type_caster
  @type_caster
end

Instance Method Details

#able_to_type_cast? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/torque/postgresql/arel/nodes.rb', line 39

def able_to_type_cast?
  true
end

#type_cast_for_database(value) ⇒ Object 



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# File 'lib/torque/postgresql/arel/nodes.rb', line 43

def type_cast_for_database(value)
  type_caster.serialize(value)
end