instance method
id?
Ruby on Rails edge
Since v3.2.22.5Signature
id?()
Queries the primary key column’s value. If the primary key is composite, all primary key column values must be queryable.
Source
# File activerecord/lib/active_record/attribute_methods/primary_key.rb, line 38
def id?
_query_attribute(@primary_key)
end
Defined in activerecord/lib/active_record/attribute_methods/primary_key.rb line 38
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Defined in ActiveRecord::AttributeMethods::PrimaryKey