instance method `supports_primary_key?`

Ruby on Rails 4.0.13

Since v2.3.18 Last seen in v4.2.9

Available in: v2.3.18 v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9

Compare with:

supports_primary_key?()

Can this adapter determine the primary key for tables not attached to an Active Record class, such as join tables? Backend specific, as the abstract adapter always returns false.

Source

# File activerecord/lib/active_record/connection_adapters/abstract_adapter.rb, line 224
      def supports_primary_key?
        false
      end

Defined in activerecord/lib/active_record/connection_adapters/abstract_adapter.rb line 224 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::AbstractAdapter

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