Module: ActiveRecord::AttributeMethods::PrimaryKey::ClassMethods
Constant Summary
Instance Attribute Summary
Instance Method Summary
Instance Attribute Details
#composite_primary_key? ⇒ Boolean
This method is for internal use only.
[ GitHub ]
# File 'activerecord/lib/active_record/attribute_methods/primary_key.rb', line 85
def composite_primary_key? reset_primary_key if PRIMARY_KEY_NOT_SET.equal?(@primary_key)
@composite_primary_key
end
#primary_key
Defines the primary key field – can be overridden in subclasses. Overwriting will negate any effect of the primary_key_prefix_type
setting, though.
[ GitHub ]
#primary_key=(value)
[ GitHub ]
# File 'activerecord/lib/active_record/attribute_methods/primary_key.rb', line 130
def primary_key=(value)
@primary_key = if value.is_a?(Array)
@composite_primary_key = true
include CompositePrimaryKey
@primary_key = value.map { |v| -v.to_s }.freeze
elsif value
-value.to_s
end
@attributes_builder = nil
end
Instance Method Details
#dangerous_attribute_method?(method_name) ⇒ Boolean
[ GitHub ]
# File 'activerecord/lib/active_record/attribute_methods/primary_key.rb', line 73
def dangerous_attribute_method?(method_name)
super && !ID_ATTRIBUTE_METHODS.include?(method_name)
end
#get_primary_key(base_name)
This method is for internal use only.
[ GitHub ]
# File 'activerecord/lib/active_record/attribute_methods/primary_key.rb', line 103
def get_primary_key(base_name) if base_name && primary_key_prefix_type == :table_name
base_name.foreign_key(false)
elsif base_name && primary_key_prefix_type == :table_name_with_underscore
base_name.foreign_key
elsif ActiveRecord::Base != self && table_exists?
schema_cache.primary_keys(table_name)
else
"id"
end
end
#inherited(base)
[ GitHub ]
# File 'activerecord/lib/active_record/attribute_methods/primary_key.rb', line 142
def inherited(base)
super
base.class_eval do
@primary_key = PRIMARY_KEY_NOT_SET
@composite_primary_key = false
@attributes_builder = nil
end
end
#instance_method_already_implemented?(method_name) ⇒ Boolean
[ GitHub ]
# File 'activerecord/lib/active_record/attribute_methods/primary_key.rb', line 69
def instance_method_already_implemented?(method_name)
super || primary_key && ID_ATTRIBUTE_METHODS.include?(method_name)
end
#quoted_primary_key
Returns a quoted version of the primary key name.
[ GitHub ]
# File 'activerecord/lib/active_record/attribute_methods/primary_key.rb', line 91
def quoted_primary_key
adapter_class.quote_column_name(primary_key)
end
#reset_primary_key
This method is for internal use only.
[ GitHub ]