Active Record について考える

Fukuoka.rb #107 Rails LT 特集

Transcript

1. Active Record ʹ͍ͭͯߟ͑Δ 2018/09/26 Fukuoka.rb #107 Rails LT ಛू ODA Hirohito
2. ͜ͷ LT େձͰ https://cdg.connpass.com/event/89504/
3. ͜Μͳ LT Λͨ͠ https://speakerdeck.com/oda/rubykaigi-2018-de-not- accepted-saretaneta
4. ͦͷ LT ͷதͰ
5. ͜Μͳωλ͕͋ͬͨ
6. CLOMO MDM ͱ͸ʁ
7. ΤΫεϙʔτػೳ
8. ΤΫεϙʔτػೳ
9. ΍ͬͨ͜ͱ
10. ΍ͬͨ͜ͱ
11. ΍ͬͨ͜ͱ
12. ΍ͬͨ͜ͱ
13. Α͘ݴΘΕΔ Rails ͷ
 ύϑΥʔϚϯεվળํ๏
14. Active Record Λ 0.0 msec ʹ͠Α͏ʂ
15. = Active Record Λ࢖Θͳ͍
16. औΒΕΔબ୒ࢶ • ੜ SQL • Arel • ͦͷଞ
17. ͜ͷ৔߹͸ੜ SQL Λબ୒ͨ͠
18. ͜͜Ͱൃੜ͢Δٙ໰
19. Ұͭͷ SELECT จͰ CSV શཁૉΛ औಘ͢Δ͜ͱ͸ Active Record Ͱ ࣮ݱͰ͖ͳ͔ͬͨͷ͔ʁ
20. ͜Μͳهࣄ͕͋ͬͨʢ2013/06/03ʣ http://www.atmarkit.co.jp/ait/articles/1306/03/news057.html
21. ͜Μͳهࣄ͕͋ͬͨʢ2013/06/03ʣ http://www.atmarkit.co.jp/ait/articles/1306/03/news057.html
22. 2013/06/27
 Rails ver. 4.0 ϦϦʔε
23. ͜ΕΛ౿·͑ͨ͏͑Ͱ
24. ڪΒ͘Ͱ͖ͳ͍
25. ڽͬͨ͜ͱΛ΍Ζ͏ͱ͢Δͱ
 Active Record ͕଍ᐫʹͳΔ
 ৔߹͕͋Δ
26. ಛʹύϑΥʔϚϯεվળʹ
 ͓͍ͯ͸ݦஶͩͬͨ
27. Active Record ͸ෆཁʁ
28. NO!!!
29. ෆཁͳΒ͹ Rails ͔Βফ͑
 ୅ସ ORM ͕࠾༻͞ΕΔ͸ͣ
30. ͔͠͠ɺ࢖ΘΕଓ͚͍ͯΔ
31. ͜Μͳهࣄ͕͋ͬͨʢ2013/06/03ʣ http://www.atmarkit.co.jp/ait/articles/1306/03/news057.html
32. ػೳ < ن໿
33. ػೳ < ن໿ CoC
 (Convention over Configuration)
34. ·ͱΊ • Active Record ͸ CoC ʹج͍͍ͮͯΔ • Active Record ΛࣺͯΔ୅ঈ͸େ͖͍ • Active Record Λਂ͘஌Ε͹஌Δ΄Ͳ
 Active Record ͷํ͕ศརʢͳ͸ͣʣ
35. ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠