YUKI Hiroshi
null+****@clear*****
Thu Dec 5 14:47:33 JST 2013
YUKI Hiroshi 2013-12-05 14:47:33 +0900 (Thu, 05 Dec 2013) New Revision: 50b21e7706cb0a8d0dcf44e029931d6efb866c25 https://github.com/droonga/fluent-plugin-droonga/commit/50b21e7706cb0a8d0dcf44e029931d6efb866c25 Message: Share output attributes via an instance variable Modified files: lib/droonga/plugin/distributor/distributed_search_plan.rb Modified: lib/droonga/plugin/distributor/distributed_search_plan.rb (+19 -19) =================================================================== --- lib/droonga/plugin/distributor/distributed_search_plan.rb 2013-12-05 14:43:50 +0900 (d73d23d) +++ lib/droonga/plugin/distributor/distributed_search_plan.rb 2013-12-05 14:47:33 +0900 (ccce242) @@ -229,20 +229,14 @@ module Droonga # Append sort key attributes to the list of output attributes # temporarily, for the reducing phase. After all extra columns # are removed on the gathering phase. - final_attributes = collect_output_attributes(@output["attributes"]) - @output["attributes"] = format_attributes_to_array_style(@output["attributes"]) - @output["attributes"] += collect_sort_attributes(@output["attributes"]) + final_attributes = collect_output_attributes + @output["attributes"] = format_attributes_to_array_style + @output["attributes"] += collect_sort_attributes if unifiable? && !@output["attributes"].include?("_key") @output["attributes"] << "_key" end - reducer = sort_reducer(:attributes => @output["attributes"]) - # On the reducing phase, we apply only "limit". We cannot apply - # "offset" on this phase because the collector merges a pair of - # results step by step even if there are three or more results. - # Instead, we apply "offset" on the gathering phase. - reducer["limit"] = @output["limit"] - @reducers["records"] = reducer + @reducers["records"] = build_records_reducer mapper = { "type" => "sort", @@ -255,8 +249,8 @@ module Droonga @mappers["records"] = mapper end - def format_attributes_to_array_style(attributes) - attributes ||= [] + def format_attributes_to_array_style + attributes = @output["attributes"] || [] if attributes.is_a?(Hash) attributes.keys.collect do |key| attribute = attributes[key] @@ -276,8 +270,8 @@ module Droonga end end - def collect_output_attributes(attributes) - attributes ||= [] + def collect_output_attributes + attributes = @output["attributes"] || [] if attributes.is_a?(Hash) attributes.keys else @@ -291,8 +285,8 @@ module Droonga end end - def collect_source_column_names(attributes) - attributes ||= [] + def collect_source_column_names + attributes = @output["attributes"] || [] if attributes.is_a?(Hash) attributes_hash = attributes attributes = [] @@ -327,9 +321,8 @@ module Droonga ASCENDING_OPERATOR = "<".freeze DESCENDING_OPERATOR = ">".freeze - def sort_reducer(params={}) - attributes = params[:attributes] || [] - + def build_records_reducer + attributes = @output["attributes"] key_column_index = attributes.index("_key") operators = @sort_keys.collect do |sort_key| @@ -351,6 +344,13 @@ module Droonga if unifiable? && !key_column_index.nil? reducer["key_column"] = key_column_index end + + # On the reducing phase, we apply only "limit". We cannot apply + # "offset" on this phase because the collector merges a pair of + # results step by step even if there are three or more results. + # Instead, we apply "offset" on the gathering phase. + reducer["limit"] = @output["limit"] + reducer end end -------------- next part -------------- HTML����������������������������...下載
