method

has_cached_counter?

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What's this?

has_cached_counter?() public

Returns whether a counter cache should be used for this association.

The counter_cache option must be given on either the owner or inverse association, and the column must be present on the owner.

Show source

# File activerecord/lib/active_record/reflection.rb, line 271
      def has_cached_counter?
        options[:counter_cache] ||
          inverse_which_updates_counter_cache && inverse_which_updates_counter_cache.options[:counter_cache] &&
          !!active_record.columns_hash[counter_cache_column]
      end

has_cached_counter?

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