method

join

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join(relation, klass = Nodes::InnerJoin) public

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# File activerecord/lib/arel/table.rb, line 39
    def join(relation, klass = Nodes::InnerJoin)
      return from unless relation

      case relation
      when String, Nodes::SqlLiteral
        raise EmptyJoinError if relation.empty?
        klass = Nodes::StringJoin
      end

      from.join(relation, klass)
    end

join

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