個人アプリをRails 6.0.0rc2に上げたらバグを踏んだのでRailsにIssueを投げた話

by shiroemons

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ݸਓΞϓϦΛRails 6.0.0rc2 ʹ্͛ͨΒόάΛ౿Μͩͷ ͰRailsʹIssueΛ౤͛ͨ࿩ 2019/11/15 ۜ࠲Rails #15 γϩ(@shiroemons)

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2019/11/05 Rails 6.0.1ϦϦʔε

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ࠓ೔͸Rails 6.0.0 rc2ͷ࿩

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࿩͢͜ͱɾ࿩͞ͳ͍͜ͱ • " RailsʹIssueΛ౤͛ͨܦݧஊͰ͢ • # ٕज़తͳ࿩͸͋·ΓͰ͖ͯ·ͤΜ…

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ࣗݾ঺հ γϩ ɹɹ@shiroemons ɹɹshiroemons Rubyྺɿ1.8.7ʙ Railsྺɿ2.3ܥʙ ྑ͘ߦ͘RubyɾRailsίϛϡχςΟ ɾۜ࠲Rails (ୈ1ճ͔ΒϑϧࢀՃ) ɾStep-to-Rails-Expert.rb ɾGrow.rb

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ࣗݾ঺հ झຯɿݸਓΞϓϦʮ౦ํฤۂ࿥ʯ։ൃ ɾ౦ํΞϨϯδ޷͖ ɾ޷͖ͳ౦ํΩϟϥ ɹɹᒵ ɾ޷͖ͳݪۂ ɹɹ༓ྶָஂɹʙ Phantom Ensemble

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ࠓճͷςʔϚ ݸਓΞϓϦΛRails 6.0.0rc2ʹ ্͛ͨΒόάΛ౿ΜͩͷͰ RailsʹIssueΛ౤͛ͨ࿩

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ࠓճͷςʔϚ ౦ํฤۂ࿥ΛRails 6.0.0rc2ʹ ্͛ͨΒόάΛ౿ΜͩͷͰ RailsʹIssueΛ౤͛ͨ࿩

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౦ํฤۂ࿥ͱ͸ʁ • ౦ํฤۂ࿥ɹʙ Arrangement Chronicle https://touhou.arrangement-chronicle.com/ • ౦ํProjectͷԻָͷΞϨϯδۂͷσʔλϕʔεαΠτ • ౦ํΞϨϯδΛݪۂɺαʔΫϧɺ൦෍ΠϕϯτɺΞʔςΟ ετผͰݕࡧ͢Δ͜ͱ͕Ͱ͖Δɻ • 2014೥3݄ࠒ։ൃελʔτ͠ɺಉ೥10݄ʹຊ൪ӡ༻։࢝

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https://touhou.arrangement-chronicle.com/

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౦ํฤۂ࿥ Ruby / Rails Ver. • ։ൃ౰ॳ(2014೥03݄) • Ruby 2.1ܥ • Rails 4.1ܥ • ࠓ೥ͷ7݄຤͝Ζ • Ruby 2.5.3 • Rails 4.2ܥ

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Rails 6.0.0rc2ʹ ্͛Δ·ͰͷܦҢ

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Rails 6ϦϦʔε͢Δ͔΋ʁPartyʹࢀՃ https://roppongirb.connpass.com/event/138291/

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ਆ଎͞Μ(@sinsoku_listy)ͷ εϥΠυ͕͖͔͚ͬ https://www.slideshare.net/sinsoku/rails6-159723148

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౦ํฤۂ࿥΋Ξοϓσʔτͩ https://www.slideshare.net/sinsoku/rails6-159723148

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Ruby / Rails όʔδϣϯΞοϓ

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2019೥7݄30೔ Rails 4.2 → Rails 5.0 8݄1೔ Rails 5.0 → Rails 5.1 8݄2೔ Rails 5.1 → Rails 5.2 8݄3೔ Ruby 2.5.3 → Ruby 2.6.3 7݄31೔ Rails 6ϦϦʔε͢Δ͔΋ʁParty

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ϨσΟɾύʔϑΣΫτϦʔ ४උ͸׬શʹ੔ͬͨ

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Rails 6.0.0rc2ʹ্͛ΔݖརΛಘΔ

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ૣ଎Rails 6.0.0rc2ʹ͋͛ͯΈͨ

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όάΛ౿Ή

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ͲΜͳࣄ৅ʁ • GROUP BY + COUNT Ͱൃੜ • COUNTͷΤΠϦΞεͷʮ_ʯ(ΞϯμʔείΞ)͕2ͭʹͳ͍ͬͯΔ… • COUNTͷΤΠϦΞεΛORDER BYͰ࢖༻͍ͯͨ͠ΒΤϥʔʹͳͬͨ • # Rails 5.2.3Ͱ͸ɺൃੜͤͣ • " Rails 6.0.0rc2Ͱ͸ɺൃੜ͢Δ • Rails 6.0.0rc1͸ࢼ͍ͯ͠ͳ͍

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ௐࠪͯ͠Θ͔ͬͨ͜ͱ • # ୯७ͳGROUP BY + COUNT Ͱ͸ൃੜ͠ͳ͍ • " COUNTΛόοΫΫΥʔτͰࢦఆ͢Δͱൃੜ ͢Δ

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࠶ݱίʔυ࡞੒ • ࣮ࡍͷίʔυΛࢀߟʹඞཁͳ΋ͷΛऔΓআ͖࡞੒

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࣮ߦ݁Ռ

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࣮ߦ݁Ռ

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࠶ݱίʔυͰ͖ͨʂ Α͠ʂRailsʹIssueͩʔʂ

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࠶ݱίʔυ͸Ͱ͖͚ͨͲ…

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೰ΜͰͨͱ͜Ζʹٹੈओొ৔

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ૣ଎ ruby-jp ͷ #rails Ͱ૬ஊ

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૬ஊͨ݁͠Ռ • ༷ʑͳҊΛ͍͖ͨͩ·ͨ͠ • ࠶ݱίʔυͷΤϥʔΛλΠτϧʹ͢ΔͰ͍͍ͷ Ͱ͸ʁ • ࠶ݱίʔυ͕͋Δ͔Β఻͍͑ͨ͜ͱ͸Θ͔Δ

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https://github.com/rails/rails/issues/36867

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ruby-jp ѹ౗తײँʂ

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https://github.com/rails/rails/issues/36867

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#kamipo͞Μ͸͍͢͝ਓ

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ਆ͔Βͷ͓ݴ༿

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·ͱΊ • kamipo͞Μ͸͍͢͝ਓ • ࠶ݱίʔυ͸࠷ڧ • RailsΨΠυ͸ςετίʔυ΍Issueʹ͍ͭͯ΋͔ ͍ͯ͋Δ͔ΒҰಡ͓ͯ͘͠ͱྑ͍ • ruby-jpʹ૬ஊ͢Δͷ͓͢͢Ί