method

primary_key

Importance_0
v4.2.9 - Show latest stable - 0 notes - Class: ActiveRecord::ConnectionAdapters::SQLite3Adapter
primary_key(table_name) public

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# File activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb, line 416
      def primary_key(table_name) #:nodoc:
        pks = table_structure(table_name).select { |f| f['pk'] > 0 }
        return nil unless pks.count == 1
        pks[0]['name']
      end
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