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
Active Record について考える
Search
jinroq
September 26, 2018
0
270
Active Record について考える
Fukuoka.rb #107 Rails LT 特集
jinroq
September 26, 2018
Tweet
Share
More Decks by jinroq
See All by jinroq
本当だってば!俺もTRICK 2022に入賞してたんだってば!
jinroq
0
380
Fukuoka.rb 2023 年度活動報告
jinroq
0
470
TRICK 2022 に入選した話
jinroq
0
280
RubyKaigiとMicrosoftと私
jinroq
0
240
msgraph: Microsoft Graph API Client with Ruby
jinroq
0
330
Fukuoka.rb 2019活動報告・2020抱負
jinroq
0
280
福岡の方から参りました Fukuoka.rb です
jinroq
0
1.8k
Microsoft Graph API Client and OpenAPI
jinroq
0
1.1k
Fukuoka.rb #150 LT
jinroq
0
290
Featured
See All Featured
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
35
2.4k
Measuring & Analyzing Core Web Vitals
bluesmoon
7
510
Building a Scalable Design System with Sketch
lauravandoore
462
33k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
161
15k
VelocityConf: Rendering Performance Case Studies
addyosmani
332
24k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
667
120k
Adopting Sorbet at Scale
ufuk
77
9.5k
Reflections from 52 weeks, 52 projects
jeffersonlam
351
20k
Code Review Best Practice
trishagee
69
19k
Dealing with People You Can't Stand - Big Design 2015
cassininazir
367
26k
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
126
53k
The Illustrated Children's Guide to Kubernetes
chrisshort
48
50k
Transcript
Active Record ʹ͍ͭͯߟ͑Δ 2018/09/26 Fukuoka.rb #107 Rails LT ಛू ODA
Hirohito
͜ͷ LT େձͰ https://cdg.connpass.com/event/89504/
͜Μͳ LT Λͨ͠ https://speakerdeck.com/oda/rubykaigi-2018-de-not- accepted-saretaneta
ͦͷ LT ͷதͰ
͜Μͳωλ͕͋ͬͨ
CLOMO MDM ͱʁ
ΤΫεϙʔτػೳ
ΤΫεϙʔτػೳ
ͬͨ͜ͱ
ͬͨ͜ͱ
ͬͨ͜ͱ
ͬͨ͜ͱ
Α͘ݴΘΕΔ Rails ͷ ύϑΥʔϚϯεվળํ๏
Active Record Λ 0.0 msec ʹ͠Α͏ʂ
= Active Record ΛΘͳ͍
औΒΕΔબࢶ • ੜ SQL • Arel • ͦͷଞ
͜ͷ߹ੜ SQL Λબͨ͠
͜͜Ͱൃੜ͢Δٙ
Ұͭͷ SELECT จͰ CSV શཁૉΛ औಘ͢Δ͜ͱ Active Record Ͱ ࣮ݱͰ͖ͳ͔ͬͨͷ͔ʁ
͜Μͳهࣄ͕͋ͬͨʢ2013/06/03ʣ http://www.atmarkit.co.jp/ait/articles/1306/03/news057.html
͜Μͳهࣄ͕͋ͬͨʢ2013/06/03ʣ http://www.atmarkit.co.jp/ait/articles/1306/03/news057.html
2013/06/27 Rails ver. 4.0 ϦϦʔε
͜ΕΛ౿·͑ͨ͏͑Ͱ
ڪΒ͘Ͱ͖ͳ͍
ڽͬͨ͜ͱΛΖ͏ͱ͢Δͱ Active Record ͕ᐫʹͳΔ ߹͕͋Δ
ಛʹύϑΥʔϚϯεվળʹ ͓͍ͯݦஶͩͬͨ
Active Record ෆཁʁ
NO!!!
ෆཁͳΒ Rails ͔Βফ͑ ସ ORM ͕࠾༻͞ΕΔͣ
͔͠͠ɺΘΕଓ͚͍ͯΔ
͜Μͳهࣄ͕͋ͬͨʢ2013/06/03ʣ http://www.atmarkit.co.jp/ait/articles/1306/03/news057.html
ػೳ < ن
ػೳ < ن CoC (Convention over Configuration)
·ͱΊ • Active Record CoC ʹج͍͍ͮͯΔ • Active Record
ΛࣺͯΔঈେ͖͍ • Active Record Λਂ͘ΕΔ΄Ͳ Active Record ͷํ͕ศརʢͳͣʣ
͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠