Method: Sequel::Plugins::StaticCache::ClassMethods#to_hash_groups

Defined in:
lib/sequel/plugins/static_cache.rb

#to_hash_groups(key_column, value_column = nil, opts = OPTS) ⇒ Object

Use the cache instead of a query to get the results



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# File 'lib/sequel/plugins/static_cache.rb', line 198

def to_hash_groups(key_column, value_column = nil, opts = OPTS)
  h = opts[:hash] || {}
  if value_column
    if value_column.is_a?(Array)
      if key_column.is_a?(Array)
        @all.each{|r| (h[r.values.values_at(*key_column)] ||= []) << r.values.values_at(*value_column)}
      else
        @all.each{|r| (h[r[key_column]] ||= []) << r.values.values_at(*value_column)}
      end
    else
      if key_column.is_a?(Array)
        @all.each{|r| (h[r.values.values_at(*key_column)] ||= []) << r[value_column]}
      else
        @all.each{|r| (h[r[key_column]] ||= []) << r[value_column]}
      end
    end
  elsif key_column.is_a?(Array)
    @all.each{|r| (h[r.values.values_at(*key_column)] ||= []) << static_cache_object(r)}
  else
    @all.each{|r| (h[r[key_column]] ||= []) << static_cache_object(r)}
  end
  h
end