5分でわかるAdequateRecord

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1. 5෼ͰΘ͔Δ AdequateRecord @t_mitz
2. ࠷ॳʹ
3. "[VTB
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6. Rails 4.2ͷMajor Features • ActiveJob • AdequateRecord • Web Console • Foreign key support
7. ݱࡏɺCFUB
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8. ͱࡢ೔ॻ͍ͨΒ
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9. ؓ࿩ٳ୊
10. –Rails 4.2 Release Notes “Adequate Record is a set of refactorings that make Active Record find and find_by methods and some association queries upto 2x faster.”
11. ࡶʹ༁͢ͱ
12. lϦϑΝΫλϦϯάͰ "DUJWF3FDPSEΛ
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14. lਪଌ͢ΔͳܭଌͤΑz
    ͷ఩ֶʹج͖ͮϕϯνϚʔΫ
15. IUUQUFOEFSMPWFNBLJOHDPN BEFRVBUFSFDPSEQSPMJLFBDUJWFSFDPSEIUNM
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17. ϗϯτʹ
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18. ੍໿͕͋Γ·͢
19. OK  Query Article.find  1   Article.find_by_title  ‘foobar’   ! article  =  Article.find  2   article.comments
20. NG  Query Article.where(title:  ‘foobar’)                .where(user:  1)   ! Article.find(1,  2,  3)   ! Article.find_by  ‘published_at  <  ?’, 2.weeks.ago
21. ҰମͲ͏΍ͬͯ
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23. IUUQUFOEFSMPWFNBLJOHDPN BEFRVBUFSFDPSEQSPMJLFBDUJWFSFDPSEIUNM
24. 42-
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25. ಥવͷ
    ίʔυϦʔσΟϯά
26. ;ΉɺCSBODI͕͋ΔΒ͍͠ http://tenderlovemaking.com/2014/02/19/adequaterecord- pro-like-activerecord.html
28. ແ͍͠ʂʂʂ
29. NBTUFSʹNFSHF͞Εͨͷ ͰEFMFUF͞Ε͍ͯ·ͨ͠
30. DPNNJU
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31. ͕Ή͠ΌΒʹίʔυ௥ͬͯ΋ ͭΒ͍ͷͰώϯτ୳͠
32. ;Ήɺ3BJMTϦϦʔεͨ͠ޙʹ
    NFSHF͢Δએݴ http://tenderlovemaking.com/2014/02/19/adequaterecord- pro-like-activerecord.html
33. Rails 4.1 Released 2014/04/08 IUUQXFCMPHSVCZPOSBJMTPSH3BJMT
34. IUUQTHJUIVCDPNSBJMTSBJMTDPNNJUTNBTUFS BDUJWFSFDPSE QBHFBVUIPSUFOEFSMPWF
35. ϦϦʔε౰೔ʹ
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37. "DUJWF3FDPSE4UBUFNFOU $BDIFͰΩϟογϡੜ੒ͯ͠Δ
    Έ͍ͨͰ͢Ͷ
38. ৄ͘͠͸͜ͷ͋ͨΓͷίʔυ • https://github.com/rails/rails/blob/master/ activerecord/lib/active_record/core.rb • https://github.com/rails/rails/blob/master/ activerecord/lib/active_record/ statement_cache.rb • https://github.com/rails/rails/blob/master/ activerecord/test/cases/statement_cache_test.rb
39. ͪͳΉͱ"34UBUFNFOU$BDIF ͷςετέʔεʹKPJO΍XIFSFͰ Ωϟογϡੜ੒ͷςετ͕͋ΔͷͰɺ কདྷpOEܥ౷Ҏ֎΋
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40. TL;DR
41. ಛʹؾʹ͠ͳͯ͘΋
    ͔Β͸pOEܥ͕ഒ଎
42. Enjoy Rails way!!!