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
250
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
300
Fukuoka.rb 2023 年度活動報告
jinroq
0
450
TRICK 2022 に入選した話
jinroq
0
260
RubyKaigiとMicrosoftと私
jinroq
0
220
msgraph: Microsoft Graph API Client with Ruby
jinroq
0
310
Fukuoka.rb 2019活動報告・2020抱負
jinroq
0
260
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
1k
Fukuoka.rb #150 LT
jinroq
0
260
Featured
See All Featured
Build your cross-platform service in a week with App Engine
jlugia
229
18k
Build The Right Thing And Hit Your Dates
maggiecrowley
35
2.6k
Faster Mobile Websites
deanohume
306
31k
Designing Experiences People Love
moore
141
24k
[RailsConf 2023 Opening Keynote] The Magic of Rails
eileencodes
29
9.4k
The Art of Programming - Codeland 2020
erikaheidi
53
13k
Rebuilding a faster, lazier Slack
samanthasiow
80
8.9k
For a Future-Friendly Web
brad_frost
176
9.7k
Embracing the Ebb and Flow
colly
85
4.6k
How STYLIGHT went responsive
nonsquared
99
5.5k
Visualization
eitanlees
146
16k
Code Review Best Practice
trishagee
67
18k
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·ͨ͠