Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
My patches for Rails 5
Search
Takashi Kokubun
May 29, 2016
Programming
5
6.3k
My patches for Rails 5
東急Ruby会議10 LT #tqrk10
Takashi Kokubun
May 29, 2016
Tweet
Share
More Decks by Takashi Kokubun
See All by Takashi Kokubun
Deoptimization: How YJIT Speeds Up Ruby by Slowing Down / RubyKaigi 2025
k0kubun
2
3.3k
YJIT Makes Rails 1.7x faster / RubyKaigi 2024
k0kubun
7
14k
Ruby JIT Hacking Guide / RubyKaigi 2023
k0kubun
2
10k
YJIT: Dive into Ruby's JIT compiler written in Rust / Rust.Tokyo 2022
k0kubun
2
2.2k
Towards Ruby 4 JIT / RubyKaigi 2022
k0kubun
3
11k
Optimizing Production Performance with MRI JIT / RubyConf 2021
k0kubun
1
480
Why Ruby's JIT was slow / RubyKaigi Takeout 2021
k0kubun
3
2k
数時間かかる週一リリースを毎日何度も爆速でできるようにするまで / CI/CD Conference 2021
k0kubun
21
14k
Ruby 3 JIT's roadmap / RubyConf China 2020
k0kubun
0
830
Other Decks in Programming
See All in Programming
今だからこそ入門する Server-Sent Events (SSE)
nearme_tech
PRO
3
260
アセットのコンパイルについて
ojun9
0
130
個人軟體時代
ethanhuang13
0
330
1から理解するWeb Push
dora1998
7
1.9k
RDoc meets YARD
okuramasafumi
4
170
Deep Dive into Kotlin Flow
jmatsu
1
370
ファインディ株式会社におけるMCP活用とサービス開発
starfish719
0
2.1k
API Platform 4.2: Redefining API Development
soyuka
0
220
ProxyによるWindow間RPC機構の構築
syumai
3
1.2k
AI Coding Agentのセキュリティリスク:PRの自己承認とメルカリの対策
s3h
0
240
実用的なGOCACHEPROG実装をするために / golang.tokyo #40
mazrean
1
300
GitHubとGitLabとAWS CodePipelineでCI/CDを組み比べてみた
satoshi256kbyte
4
250
Featured
See All Featured
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
1.6k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
35
3.1k
GraphQLの誤解/rethinking-graphql
sonatard
72
11k
Building Applications with DynamoDB
mza
96
6.6k
Git: the NoSQL Database
bkeepers
PRO
431
66k
Gamification - CAS2011
davidbonilla
81
5.4k
BBQ
matthewcrist
89
9.8k
Done Done
chrislema
185
16k
YesSQL, Process and Tooling at Scale
rocio
173
14k
Building Flexible Design Systems
yeseniaperezcruz
329
39k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
285
14k
For a Future-Friendly Web
brad_frost
180
9.9k
Transcript
My patches for Rails 5 @k0kubun TokyuRubyձٞ10
ࣗݾհ • Twitter, GitHub: @k0kubun • Cookpad • ٕज़෦։ൃج൫άϧʔϓ •
RailsͷϑΝϯ • ίϛοτ7
ࠓ͢͜ͱ • ͕ Rails 5.0 ʹ͍ΕͨҎԼͷύονʹؔͯ͠ࢥ͏ ͜ͱΛ͠·͢ • #22722 Use
CGI.escapeHTML for html escape • #18109 Allow joins to be unscoped • #22125 Alias left_joins to left_outer_joins
Use CGI.escapeHTML for html escape https://github.com/rails/rails/pull/22722
#22722 Use CGI.escapeHTML for html escape
#22722 Use CGI.escapeHTML for html escape • erbͷHTMLΤεέʔϓʹgsubͷݺͼग़͠Ͱ ͳ͘ CGI.escapeHTML
Λ͏Α͏ʹ͢Δౕ • Ruby 2.3 Ͱ CGI.escapeHTML ΛߴԽͨ͠
CGI.escapeHTMLͷߴԽύον
• ݩ୯ͳΔ gsub(/[&"'><]/, { '&' => '&', .. }) •
͜ΕΛ͔ͳΓ۪ʹCʹॻ͖͚ͨͩ͠ • UTF-8ؚΉASCIIޓͷΤϯίʔσΟϯάͰ࠷େ 7ഒߴԽ • ext/cgi/escape ര CGI.escapeHTMLͷߴԽύον
ͳͥHTMLΤεέʔϓΛߴԽ ͔ͨ͠ • RailsͷerbͷϨϯμϦϯάͰHTMLΤεέʔϓ͕Ϙ τϧωοΫͩͬͨ͠ɺଞʹ͘͠Α͏͕ͳ͍͔Β
Ͳͷ͘Β͍มΘ͔ͬͨ • લఏࣝ: String࿈݁ͷݱࡏͷੑೳൺֱ TMJNͷDPNQJMFECFODIͷ)5.-Τεέʔϓ༗ޮ൛ JT
IBNMJU W TMJN W GBNM W FSVCJT W IBNM WCFUB https://travis-ci.org/k0kubun/hamlit/jobs/131694989
Ͳͷ͘Β͍มΘ͔ͬͨ • ActionViewͰͷݩʑͷੑೳൺֱ https://gist.github.com/k0kubun/e9363d8359d9a9604c55bd23fb28c64d લͷϖʔδͷౕͷ"DUJPO7JFXԽ൛ FSCͷ$(*FTDBQF)5.-Խͳ͠ JT
IBNMJU W TMJN W GBNM W "75FNQMBUF )FMQFST&SVCJT IBNM WCFUB
Ͳͷ͘Β͍มΘ͔ͬͨ • ActionViewͰͷerbͷCGI.escapeHTMLԽͷޮՌ https://gist.github.com/k0kubun/3ea0c0dba78ac2e832c8fbe5a104d04b લͷϖʔδͷౕͷ"DUJPO7JFXԽ൛ FSCͷ$(*FTDBQF)5.-Խ͋Γ JT
IBNMJU W TMJN W GBNM W "75FNQMBUF )FMQFST&SVCJT IBNM WCFUB
RailsͰ࠷ͷςϯϓϨʔτΤϯδϯ • Hamlit ͔ σϑΥϧτͷ ActionView::Template::Handlers::Erubis • Ͳౕ͕ͬͪͨ͘͠ͳͷͰͲͬͪͬͯ ͘Ε͍͍ͯͰ͢
Allow joins to be unscoped https://github.com/rails/rails/pull/18109
#18109 Allow joins to be unscoped
#18109 Allow joins to be unscoped • (join͢Δ)includes, eager_load, joins
Ͱ unscopedΛͬͯ default_scope ͕֎ͤΔΑ ͏ʹͳΔ • 2͝͠ͷϚʔδ
default_scopeͷҋ • Ͳ͏ͬͨΒdefault_scopeͷόάमਖ਼ΛϚʔδ ͯ͠Β͑Δ͔૬ஊͯ͠Έͨ
default_scopeͷҋ • default_scopeʹࢥ͍ೖΕͷ͋Δίϛολʔ͕ ͍ͳ͍ͷͰ͏͖Ͱͳ͍
• ࣮ࡍͣͬͱϚʔδ͞Εͳ͔ͬͨ default_scopeͷҋ ↑ݴٴͯ͠Δissue͕ผͷํ๏Ͱղܾ͞ΕͨͷͰηϧϑΫϩʔζ
default_scopeͷҋ • ผͷϓϧϦͰdefault_scopeʹݴٴ͠ͳ͍Α ͏ʹͨ͠ΒϚʔδ͞Εͨ
default_scope͕֎ͤͳ͍ྫ • ͖ͬ͞ͷύον͕Ϛʔδ͞Εͯͳ͍ͷͰɺ
default_scope͕֎ͤͳ͍ྫ • preloadͯ͠Δ͔Ͳ͏͔Ͱ݁Ռ͕มΘΔ
Rails 5 ʹΔdefault_scopeͷόά • preload(join͠ͳ͍)includes default_scope͕֎ͤͳ͍
Rails 5 ʹΔdefault_scopeͷόά • Ͱࢿྉ࡞ͬͯͨΒͬͺͬͯཉ͘͠ͳͬ ͨͷͰࠓϓϧϦग़͠͠·ͨ͠
Alias left_joins to left_outer_joins https://github.com/rails/rails/pull/22125
#22125 Alias left_joins to left_outer_joins
#22125 Alias left_joins to left_outer_joins • left_outer_joins ͷΤΠϦΞε left_joins ΛՃ
͢Δ͚ͩ • ͨΓલ͚ͩͲҒ͍ͷͷϓϧϦͰͳ͘ left_outer_joins ΛՃ͢ΔํͷϓϧϦ • ·͋Ͱleft_outer_joinsͱ͔͗ͯ͢Θͳ ͍ΑͶ
ͦͦͳΜͰ left_outer_joins ͕ͦΜͳʹཉ͔͔ͬͨ͠ • ߜΓࠐΈͨΊͷLEFT OUTER JOINΛੜSQLΛ Θͣʹॻͨ͘ΊʹincludesΛ͏ਓ͕͍Δ • eager
loadͯ͠͏Θ͚Ͱͳ͍Ϩίʔυͷ AR::BaseΠϯελϯε͕େྔʹ࡞ΒΕ͍ • ͦ͏͍͏༻్ͷϝιου͡Όͳ͍ͱϨϏϡʔ ͢ΔͱΠϯλʔωοτΛࠜڌʹൃ͞ΕΔ
ͦͦͳΜͰ left_outer_joins ͕ͦΜͳʹཉ͔͔ͬͨ͠
ͦͦͳΜͰ left_outer_joins ͕ͦΜͳʹཉ͔͔ͬͨ͠ • eager loading͕ෆཁͳΒRails 4ҎԼͰੜΫ ΤϦॻ͍ͨํ͕Ϛγͱࢥ͍ͬͯ·͢ • Rails
5Ͱͬͱͦ͏͠ͳͯ͘Α͘ͳΔ
༨ஊ: ͦͷincludesຊʹ͘ ͳΔ͔֬ೝͯ͠Δʁ • N+1௵ͯ͠ΫΤϦ͚ͩͯ͘͠τʔλϧͰ͘ͳΔͱ ݶΒͳ͍ • ಛʹhas_many associationΛeager loadingͯ͠AR::Base
͕ಉ࣌ʹେྔʹ࡞ΒΕΔ߹ • ʮincludesͯ͠N+1ͳ͘͠·ͨ͠ʂʯΈ͍ͨͳϓϧϦɺ લޙͷࠩΛషͬͯ΄͍͠ • rails sͷϩάݟΔ͚ͩͰΘ͔Δ
༨ஊ: ͦͦԶincludesࣗମ ͕ݏ͍ͩ • ͏ਓͷؾ͕࣋ͪશ͘Θ͔Βͳ͍ • includesΛݟ͚ͨͩͰͲ͏͍͏ڍಈΛ͢Δͷ͔༧ଌͰ͖ͣ Մಡੑ͕͍ • JOIN͢ΔͭΓͳ͍ॴͰJOIN͞ΕͨΒΤϥʔʹͳͬͯཉ͍͠
• includes(:foo).references(:foo)ͱ͔includes(:foo).joins(:foo) Έ͍ͨͳͳॻ͖ํ͕ؾʹͳΔ • eager_load(:foo)Ͱ͍͍͡ΌΜ
༨ஊ: ͦͦԶincludesࣗମ ͕ݏ͍ͩ • Q: Recipe.includes(:steps).foo_scope.to_a stepsͱJOIN͢Δ͔?
༨ஊ: ͦͦԶincludesࣗମ ͕ݏ͍ͩ • Q: Recipe.includes(:steps).foo_scope.to_a stepsͱJOIN͢Δ͔? • A: Θ͔Βͳ͍
• foo_scopeͷఆٛʹΑΔ
·ͱΊ • Ruby 2.3 ͱ Rails 5.0 Λ͏ͱerb͕͘ͳΔ • default_scopeόάͬͯΔ͠ϝϯς͞Εͳ͍
• includesͷ͍ํΛݟͯ͠ཉ͍͠ • AR::BaseͷੜίετʹؾΛ͚ͭΑ͏