where_values_hash() public

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# File activerecord/lib/active_record/relation.rb, line 461
    def where_values_hash
      equalities = with_default_scope.where_values.grep(Arel::Nodes::Equality).find_all { |node|
        node.left.relation.name == table_name
      }

      Hash[equalities.map { |where| [where.left.name, where.right] }]
    end
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