class Sequel::Plugins::PgArrayAssociations::PgArrayToManyAssociationReflection

The AssociationReflection subclass for pg_array_to_many associations.

Public Instance Methods

associated_object_keys() click to toggle source

An array containing the primary key for the associated model.

# File lib/sequel/plugins/pg_array_associations.rb, line 128
def associated_object_keys
  Array(primary_key)
end
can_have_associated_objects?(obj) click to toggle source

pg_array_to_many associations can only have associated objects if the array field is not nil or empty.

# File lib/sequel/plugins/pg_array_associations.rb, line 134
def can_have_associated_objects?(obj)
  v = obj.send(self[:key])
  v && !v.empty?
end
dataset_need_primary_key?() click to toggle source

pg_array_to_many associations do not need a primary key.

# File lib/sequel/plugins/pg_array_associations.rb, line 140
def dataset_need_primary_key?
  false
end
default_key() click to toggle source

Use a default key name of *_ids, for similarity to other association types that use *_id for single keys.

# File lib/sequel/plugins/pg_array_associations.rb, line 146
def default_key
  :"#{singularize(self[:name])}_ids"
end
predicate_key() click to toggle source

A qualified version of the associated primary key.

# File lib/sequel/plugins/pg_array_associations.rb, line 151
def predicate_key
  cached_fetch(:predicate_key){qualify_assoc(primary_key)}
end
primary_key() click to toggle source

The primary key of the associated model.

# File lib/sequel/plugins/pg_array_associations.rb, line 156
def primary_key
  cached_fetch(:primary_key){associated_class.primary_key}
end
primary_key_method() click to toggle source

The method to call to get value of the primary key of the associated model.

# File lib/sequel/plugins/pg_array_associations.rb, line 161
def primary_key_method
  cached_fetch(:primary_key_method){primary_key}
end

Private Instance Methods

reciprocal_association?(assoc_reflect) click to toggle source

Only consider an association as a reciprocal if it has matching keys and primary keys.

# File lib/sequel/plugins/pg_array_associations.rb, line 169
def reciprocal_association?(assoc_reflect)
  super && self[:key] == assoc_reflect[:key] && primary_key == assoc_reflect.primary_key
end
reciprocal_type() click to toggle source
# File lib/sequel/plugins/pg_array_associations.rb, line 173
def reciprocal_type
  :many_to_pg_array
end