[arrow] branch master updated: ARROW-7474: [Ruby] Improve CSV save performance

[sh...@apache.org]

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shiro pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/arrow.git


The following commit(s) were added to refs/heads/master by this push:
     new 8d94859  ARROW-7474: [Ruby] Improve CSV save performance
8d94859 is described below

commit 8d94859161c99cfc4a4b0fb3a513bb89484cb4eb
Author: Sutou Kouhei <ko...@clear-code.com>
AuthorDate: Tue Dec 31 10:03:25 2019 +0900

    ARROW-7474: [Ruby] Improve CSV save performance
    
    Closes #6106 from kou/ruby-csv-save-improve and squashes the following commits:
    
    95c1e99dc <Sutou Kouhei> ARROW-7474:  Improve CSV save performance
    
    Authored-by: Sutou Kouhei <ko...@clear-code.com>
    Signed-off-by: Yosuke Shiro <yo...@gmail.com>
---
 ruby/red-arrow/lib/arrow/table-saver.rb | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/ruby/red-arrow/lib/arrow/table-saver.rb b/ruby/red-arrow/lib/arrow/table-saver.rb
index 9ffa843..f098ab6 100644
--- a/ruby/red-arrow/lib/arrow/table-saver.rb
+++ b/ruby/red-arrow/lib/arrow/table-saver.rb
@@ -140,10 +140,8 @@ module Arrow
         csv = CSV.new(output, **options)
         names = @table.schema.fields.collect(&:name)
         csv << names
-        @table.each_record(reuse_record: true) do |record|
-          csv << names.collect do |name|
-            record[name]
-          end
+        @table.raw_records.each do |record|
+          csv << record
         end
       end
     end