GraphQLの誤解/rethinking-graphql

Transcript

1. 1 (SBQI2-ͷޡղ 5&$)
   45"/%
   
   (SBQI2-
   !TPOBUBSE
   ͦͳଠ

2. Appify Technologies CTO ͦͳଠ @sonatard

3. 3 "QQJGZ w 4IPQJGZͷΞϓϦΛ/P$PEFͰϦϦʔεͰ͖ΔΔαʔϏε
   w J04ɺ"OESPJE
   w J04ɺ"OESPJEɺ8FCɺόοΫΤϯυͰ(SBQI2-Λར༻͍ͯ͠·͢
   w ࠾༻
   

   w IUUQTBQQJGZJODDPNKPC

4. (SBQI2-ͷޡղ

5. 5 (SBIQ2-ͷޡղ w ޡղ
   w ʮ(SBQI2-͸ɺ3&45ͱൺֱͯ͠%#ͷΫΤϦʔͷ੹຿ΛΫϥΠΞϯτ͕͔࣋ͭΒε Ϛʔτ6*ʹͳΔʯ %# %# ΫϥΠΞϯτ͕௚઀%#ͷΫΤϦʔΛ࣮ߦ͢Δͷ͕

   (SBQI2-ʁ %#ͷ
   2VFSZͷ੹຿

6. 6 (SBIQ2-ͷޡղ w 3&45ͱͷൺֱ %# %# 3&45͸ΫΤϦʔΛ࣮ߦͰ͖ͳ͍͔ΒɺҎԼͷΑ͏ʹ͸ͳΒͳ͍ %#ͷ
   2VFSZͷ੹຿

7. 7 (SBIQ2-ͷޡղ w (SBQI2-ͱ3&45ʹ͸ͲͷΑ͏ͳҧ͍͕͋Δ͔ΛվΊͯߟ͑ͯΈΔ %# %#

8. 8 (SBIQ2-ͷޡղ w 3&45
   "1*
   w VTFS
   w JE
   
   
   w OBNF
   ZBNBEB
   

   w PSEFS@JE
   
   w PSEFS
   w JE
   
   w QSPEVDU@JE
   
   w VTFS@JE
   
   w QSPEVDU
   w JE
   
   w /BNF
   ۺ query UserOrder { user { id name order { id product { id name } } } } w (SBQI2- 3&45ͱ(SBQI2-ͷҧ͍͸Կ͔ʁ type User { id: ID! name: String! order: Order! } type Order { id: ID! product: Product! } type Product { id: ID! name: String! }

9. (SBIQ2-ͷޡղ w (SBQI2-͸3&45ͱൺֱͯ͠ଟ͘ͷ৘ใΛऔಘͰ͖Δʁ
   w /PɹεΩʔϚʹهࡌ͞Εͨ৘ใҎ্͸औಘͰ͖ͳ͍
   w 3&45Ͱ΋(SBQI2-Ͱ΋ଟ͘ͷ஋ΛऔಘՄೳͳ"1*ʹ͢Ε͹औ ಘͰ͖Δ͠ɺͦ͏Ͱͳ͚Ε͹औಘͰ͖ͳ͍
   w (SBQI2-͸ɺ%#ͷ2VFSZͷ੹຿ΛΫϥΠΞϯτ͕͍࣋ͬͯΔʁ
   

   w /P
   εΩʔϚͰެ։͞ΕͨൣғͰ͔͠ΫΤϦʔͰ͖ͳ͍
   w 3&45ͱಉ౳ͷεΩʔϚͰ͋Ε͹ɺͰ͖Δ͜ͱ͸ಉ͡
   w ͭ·Γෳ਺ճ"1*Λ࣮ߦ͢Δ͔ɺ౓2VFSZΛ౤͛Δ͔ͷҧ͍͔͠ ͳ͍ type User { id: ID! name: String! order: Order! } type Order { id: ID! product: Product! } type Product { id: ID! name: String! } 9

10. 10 (SBIQ2-ͷޡղ w "1*ͷ৘ใྔ͕ಉ͡ͳΒ͹ɺ(SBQI2-͸3&45ͷ "1*ΛͰϚοϐϯά͚ͨͩ͠ͷ΋ͷ
    w ͦ͜ʹ(SBQIߏ଄ͱ͍͏ಛ௃ʹΑΓɺϦϨʔγϣ ϯ͕͋Δ΋ͷΛ౓ͷΫΤϦʔͰऔಘՄೳʹͳͬ ͍ͯΔ
    w

    3&45ͳΒෳ਺ճ"1*Λ࣮ߦ͢Δ͜ͱͰಉ౳ͷ ͜ͱ͕࣮ݱͰ͖Δ query UserOrder { user { id name order { id product { id name } } } } w 3&45
    "1*
    w VTFS
    w JE
    
    
    w OBNF
    ZBNBEB
    w PSEFS@JE
    
    w PSEFS
    w JE
    
    w QSPEVDU@JE
    
    w VTFS@JE
    
    w QSPEVDU
    w JE
    
    w /BNF
    ۺ VTFS PSEFS QSPEVDU ରԠ

11. 11 (SBIQ2-ͷޡղ w ΫϥΠΞϯταΠυͷݡ͞͸૿͑ͯͳ͍
    w Ή͠ΖٯͰɺΫϥΠΞϯταΠυ͕͍࣋ͬͯͨ"1*Λ૊ΈཱͯΔ੹຿͕όοΫΤϯυʹҕৡ͞Ε͍ͯΔ %# %# %#ͷ
    2VFSZͷ੹຿

    %#ͷ
    2VFSZͷ੹຿ "1*Λ
    ૊ΈཱͯΔ੹຿ "1*Λ
    ૊ΈཱͯΔ੹຿ VTFS
    "1*Λ࣮ߦͯ͠ϨεϙϯεͷPSEFS@JEΛऔಘͯ͠ɺ
    PSEFSPSEFS@JE
    "1*Λ࣮ߦͯ͠ϨεϙϯεͷQSPEVDU@JEͰ
    QSPEVDUQSPEVDU@JE
    "1*Λ࣮ߦ͢Δ query UserOrder { user { id name order { id product { id name } } } } 2VFSZΛ౤͛Δ JE
    ͷVTFS
    Λ%#͔ΒҾ͍ͯPSEFS@JEΛऔಘͯ͠ɺ
    JE
    PSEFS@JEͷPSEFSΛ%#͔ΒҾ͍ͯQSPEVDU@JEΛऔಘͯ͠ɺ
    *E
    QSPEVDU@JEͷQSPEVDUΛ%#͔Βऔಘ͢Δ ཉ͍͠৘ใΛૉ௚ʹهड़

12. 12 (SBIQ2-ͷޡղ w 3&45Ͱ΋ΫϥΠΞϯτʹґଘͨ͠"1*Λ༻ҙ͢Δ͜ͱͰɺΫϥΠΞϯταΠυ͔Β͸ಉ౳ͷମݧΛ ಘΒΕΔ͕ɺҎԼͷΑ͏ͳ໰୊͕͋Δ %# %#ͷ
    2VFSZͷ੹຿ "1*Λ
    ૊ΈཱͯΔ੹຿

    ը໘ઐ༻ͷ"1*Λ࣮ߦ͢Δ ΫϥΠΞϯτͷϢʔεέʔεʹԠͨ͡"1*Λ૊ΈཱͯΔίετ͕ߴ͍
    ·ͨΫϥΠΞϯτͷϢʔεέʔεʹԠͯ͡"1*ͷ࣮૷ͷมߋ͕ඞཁʹͳΔ
    
    (SBQI2-ͳΒϑϨʔϜϫʔΫ͕ղܾͯ͘͠ΕΔ

13. 13 (SBIQ2-ͷޡղ w ޡղ͞Ε΍͍͢ཧ༝
    w )BTVSBͰ%#͔Β(SBQI2-εΩʔϚͱ࣮૷Λࣗಈੜ੒Ͱ͖Δ
    w %#Λͦͷ··ެ։͍ͯ͠Δ͜ͱʹۙ͘ͳΔ %# %#͔Βࣗಈੜ੒

14. w ޡղ͞Ε΍͍͢ཧ༝
    w ͔͜͠͠Ε͸(SBQI2-ͷ໰୊Ͱ͸ͳ͘ɺ)BTVSBͷ࢓૊ΈͰ͢
    w ·ͨ)BTVSBͰ3&45
    "1*ΛఏڙՄೳͰ͋ΔͨΊɺ)BTVSBͷྫΛڍ͛ͯεϚʔτ6*ʹͳΔͱݴͬͯ ͠·͏ͱɺ3&45΋ಉ͘͡εϚʔτ6*ʹͳͬͯ͠·͏
    w ஫ҙ
    w

    )BTVSBΛ൱ఆ͍ͯ͠ΔΘ͚Ͱ͸͋Γ·ͤΜ
    w )BTVSBͷྫ͔Β(SBQI2-Λޡղ͢Δ͜ͱͷ໰୊ఏىΛ͍ͯ͠·͢
    w )BTVSB͸దͨ͠ϢʔεέʔεͰ࢖͑͹ૉ੖Β͍͠πʔϧͰ͢ 14 (SBIQ2-ͷޡղ %# %#͔Βࣗಈੜ੒

15. 15 (SBIQ2-ͷޡղ w ޡղ·ͱΊ
    w ʮ(SBQI2-͸ɺ3&45ͱൺֱͯ͠%#ͷΫΤϦʔͷ੹຿ΛΫϥΠΞϯτ͕͔࣋ͭΒεϚʔτ6*ʹͳΔʯΘ ͚Ͱ͸ͳ͍ %# %#ͷ
    2VFSZͷ੹຿

    "1*Λ
    ૊ΈཱͯΔ੹຿ query UserOrder { user { id name order { id product { id name } } } } Ϣʔεέʔεݻ༗ͷ"1*࣮૷͸ෆཁͰɺ
    ΫϥΠΞϯτ͕ΫΤϦʔΛॻ͘͜ͱͰ
    ରԠՄೳ (SBQI2-͕ޮ཰తʹ"1*Λ
    ૊ΈཱͯΔ੹຿Λ୲ͬͯ͘ΕΔ (SBQI2-ͷ࢓༷ͱϑϨʔϜϫʔΫΛ αʔόͷલ໘ʹڬΉ͜ͱͰޮ཰తʹ
    ࣮૷Ͱ͖Δ

16. (SBQI2-ͷޡղ

17. 17 (SBIQ2-ͷޡղ w ޡղ
    w ʮ(SBQI2-͸ɺυϝΠϯ΍ϏδωεϩδοΫ͕ΫϥΠΞϯτʹ࿙Εग़͢ʯ %# %#ͷ৘ใΛͦͷ··औಘͯ͠ɺ͋ͱ͸ΫϥΠΞϯτ Ͱ͢΂ͯॲཧ͢Δʁ

18. 18 (SBIQ2-ͷޡղ w ޡղͰઆ໌ͨ͠ͱ͓Γ(SBQI2-͸"1*Λ૊ΈཱͯΔ੹຿ΛόοΫΤϯυʹҕৡͨ͠΋ͷͰ͢ɻ
    w ͭ·Γ3&45
    Ͱߦ͍ͬͯͨॲཧ͸ɺͦͷ··όοΫΤϯυʹଘࡏ͠·͢ɻ %# %#ͷ
    2VFSZͷ੹຿ "1*Λ
    

    ૊ΈཱͯΔ੹຿ query UserOrder { user { id name order { id product { id name } } } } 2VFSZΛ౤͛Δ ϏδωεϩδοΫ

19. 19 (SBIQ2-ͷޡղ w 3&45
    "1*
    w VTFS
    w JE
    
    
    w /BNF
    ZBNBEB
    

    w BHF
    ࡀ
    w JT"EVMU
    USVF
    w VTFS
    w JE
    
    
    w OBNF
    UBOBLB
    w BHF
    ࡀ
    w JT"EVMU
    GBMTF w ٯʹ(SBQI2-͸3&45Ҏ্ʹϏδωεϩδοΫΛόοΫΤϯυʹҕৡ͠΍͍͢΋ͷͰ͢ɻ
    w ྫ͑͹ɺVTFS͕੒ਓ͔Ͳ͏͔൑ఆ͢ΔϩδοΫ͕͋Δͱ͠·͢ɻ w ͜ͷͱ͖΋͠BHFΛݩʹΫϥΠΞϯταΠυͰϩδοΫΛॻ ͍ͯ͠·͏ͱɺϏδωεϩδοΫ͕࿙Εग़ͯ͠͠·͍·͢ɻ
    w ୅ΘΓʹVTFSʹJT"EVMUϑΟʔϧυΛ௥Ճͯ͠ɺϨεϙϯεΛ ฦ͢ͱ͖ʹ൑ఆ݁ՌΛؚΊͯฦ͢ͱ͠·͢ɻ
    w ͜ΕͰద੾ʹϏδωεϩδοΫ͸όοΫΤϯυʹҠΓ·ͨ͠
    w ͔͠͠ϑϩϯτΤϯυͷը໘ʹΑͬͯ͸ɺ໊લ͔͠ඞཁͳ͍ Մೳੑ͕͋Γ·͢ɻ
    w ͦͷ৔߹ɺJT"EVMUͷܭࢉ͸༨ܭͳ$16ϦιʔεΛফඅ͢Δ ͜ͱʹͳΓ·͢ɻ
    w JT"EVMUͷܭࢉ͘Β͍ͳΒޡࠩͰ͕͢ɺ͜ͷϩδοΫͷͨΊʹ ผͷ.JDSPTFSWJDFT΍֎෦ͷ"1*͔Βऔಘ͢Δ৔߹ʹ͸ɺ໊લ Λදࣔ͢Δͨͼʹॏ͍ॲཧ͕૸Δ͜ͱʹͳΓ·͢ɻ

20. 20 (SBIQ2-ͷޡղ query UserName { user { id name }

    } query UserAge { user { id age isAdult } } w ໊લΛදࣔ͢ΔΫΤϦʔ w ೥ྸΛදࣔ͢ΔΫΤϦʔ JT"EVMUϑΟʔϧυΛऔಘ͠ͳ͚Ε͹ɺ ॏ͍ॲཧ͕࣮ߦ͞Εͳ͍ JT"EVMU͕ඞཁͳͱ͖͚ͩऔಘ͢Δ type User { id: ID! name: String! age: Int! isAdult: Boolean! } w (SBQI2-εΩʔϚ ύϑΥʔϚϯεͷӨڹ͕ग़ͳ͍ͨΊ
    6TFSʹJT"EVMUϑΟʔϧυΛ௥Ճ͢Δ͜ ͱ͕༰қʹͳΔ
    ·ͨJT"EVMUઐ༻ͷϋϯυϥ͕ੜ੒Ͱ͖ ΔͨΊɺطଘͷ6TFSΛҾ࣮͘૷΁ͷ
    Өڹ΋ͳ͍
    

21. 21 (SBIQ2-ͷޡղ w ޡղ·ͱΊ
    w ʮ(SBQI2-͸ɺυϝΠϯ΍ϏδωεϩδοΫ͕ΫϥΠΞϯτʹ࿙Εग़͢ʯΘ͚Ͱ͸ͳ͍ ϏδωεϩδοΫ͸3&45ͱ
    มΘΒͣόοΫΤϯυ͕࣋ͭ %# %#ͷ
    

    2VFSZͷ੹຿ "1*Λ
    ૊ΈཱͯΔ੹຿ query UserOrder { user { id name order { id product { id name } } } } 2VFSZΛ౤͛Δ ϏδωεϩδοΫ ͦͯ͠(SBQI2-ʹΑΓόοΫΤϯυ͕ ϩδοΫΛ࣋ͪ΍͍͢࢓૊Έʹ
    ͳ͍ͬͯΔ

22. ΫϥΠΞϯτͷ੹຿ͷݮগ

23. 23 ΫϥΠΞϯτͷ੹຿ͷݮগ w 3&45ͷ৔߹ΫϥΠΞϯταΠυ͸ɺϨεϙϯεΛը໘ʹදࣔ͢Δ7JFX.PEFM΁ม׵͢ΔϩδοΫΛ࣋ͪ· ͢ɻ %# Ϩεϙϯε͔Β7JFX.PEFMʹ
    ม׵͢ΔϩδοΫ Ϩεϙϯε

24. 24 ΫϥΠΞϯτͷ੹຿ͷݮগ w (SBQI2-Ͱ͸ɺϢʔεέʔε͝ͱʹॻ͍ͨΫΤϦʔ͔Βੜ੒͞Εͨܕ͸7JFX.PEFMͰ͢ɻ
    w ͦͷܕΛม׵ͨ͠Γ͢Δ͜ͱ͸ͤͣɺͦͷ··7JFXʹදࣔ͢Δ͜ͱ͕େ੾Ͱ͢ɻ
    w ͦ͏͢Δ͜ͱͰɺΫϥΠΞϯταΠυ͔ΒɺߋʹϩδοΫ͕ݮগ͠·͢ɻ %# Ϩεϙϯε͔Β7JFX.PEFMʹ
    

    ม׵͢ΔϩδοΫ query UserOrder { user { id name order { id product { id name } } } } Ϩεϙϯε 7JFX.PEFM

25. ΫϥΠΞϯτͷ੹຿ͷݮগ

26. 26 ΫϥΠΞϯτͷ੹຿ͷݮগ w (SBQI2-Λ࢖͏ͱߋʹ΋͏ͭ੹຿ΛݮΒ͢͜ͱ͕Ͱ͖·͢
    w ΫϥΠΞϯταΠυͰ͸ɺड͚औͬͨϨεϙϯεΛ࠶औಘ͢Δ͜ͱΛආ͚ΔͨΊʹ 3FEVYͳͲΛ࢖ͬͯϞσϧ͝ͱʹΩϟογϡ͢Δ͜ͱ͕͋Γ·͢ɻ %# ϨεϙϯεΛ.PEFMʹม׵ͯ͠
    Ωϟογϡ͢ΔϩδοΫ

    Ϩεϙϯε

27. 27 ΫϥΠΞϯτͷ੹຿ͷݮগ w (SBQI2-Ͱ͸ɺ"QPMMP΍3FMBZͳͲͷ(SBQI2-ΫϥΠΞϯτ͕(SBQIߏ଄ͦͷ··ʹΩϟογϡ͢Δ࢓૊Έ Λ͍࣋ͬͯ·͢ɻ
    w ͦͷͨΊϨεϙϯε͔Βͷม׵ॲཧ΍ΩϟογϡͷϩδοΫ͸ॻ͘ඞཁ͕͋Γ·ͤΜɻ %# query UserOrder

    { user { id name order { id product { id name } } } } Ϩεϙϯε 7JFX.PEFM 7JFX.PEFMΛ
    Ωϟογϡ͢ΔϩδοΫ ϨεϙϯεΛΩϟογϡ Ωϟογϡώοτ͢Ε͹
    ϦΫΤετΛ౤͛ͳ͍ (SBQI2-
    ΫϥΠΞϯτ

28. 28 ΫϥΠΞϯτͷ੹຿ͷݮগ w ΫϥΠΞϯτΩϟογϡͷৄࡉ͸ͪ͜ΒΛ͝ཡ͍ͩ͘͞
    w IUUQTTQFBLFSEFDLDPNTPOBUBSETXJGUVJHSBQIRM
    w 3&45Ͱ΋7JFX.PEFMͰ͸ͳ͍Ͱ͕͢ɺϨεϙϯεΛΩϟογϡͯ͘͠ΕΔ3FBDU
    2VFSZͳͲ͕ొ৔͍ͯ͠·͢ɻ

29. ·ͱΊ

30. 30 ·ͱΊ w ޡղͨ͠(SBQI2-
    w ʮ(SBQI2-͸ɺ3&45ͱൺֱͯ͠%#ͷΫΤϦʔͷ੹຿ΛΫϥΠΞϯτ͕͔࣋ͭΒεϚʔτ6*ʹͳΔʯ
    w ʮ(SBQI2-͸ɺυϝΠϯ΍ϏδωεϩδοΫ͕ΫϥΠΞϯτʹ࿙Εग़͢ʯ %#ͷ
    2VFSZͷ੹຿

    "1*Λ
    ૊ΈཱͯΔ੹຿ ϏδωεϩδοΫ %# Ϩεϙϯε͔Β
    7JFX.PEFMʹ
    ม׵͢ΔϩδοΫ 7JFX.PEFMΛ
    Ωϟογϡ͢ΔϩδοΫ %# ϨεϙϯεΛ.PEFMʹม׵ͯ͠
    Ωϟογϡ͢ΔϩδοΫ Ϩεϙϯε "1*Λ
    ૊ΈཱͯΔ੹຿ %#ͷ
    2VFSZͷ੹຿ ϏδωεϩδοΫ .PEFM͔Β
    7JFX.PEFMʹ
    ม׵͢ΔϩδοΫ

31. 31 ·ͱΊ w ద੾ͳ࢖͍ํΛͨ͠(SBQI2-
    w (SBQI2-͸3&45ͱൺֱͯ͠ଟ͘ͷ੹຿Λݞ୅ΘΓͯ͘͠ΕΔ
    w ΫϥΠΞϯταΠυͷίʔυ͸γϯϓϧͰ࠷খݶͷ࣮૷ʹͳΔ %#ͷ
    2VFSZͷ੹຿

    "1*Λ
    ૊ΈཱͯΔ੹຿ ϏδωεϩδοΫ 7JFX.PEFMΛ
    Ωϟογϡ͢ΔϩδοΫ %# ΫϥΠΞϯτ͸
    ࠷খݶͷ࣮૷ 7JFX.PEFMΛฦ͢
    ϩδοΫ %# ϨεϙϯεΛ.PEFMʹม׵ͯ͠
    Ωϟογϡ͢ΔϩδοΫ Ϩεϙϯε "1*Λ
    ૊ΈཱͯΔ੹຿ %#ͷ
    2VFSZͷ੹຿ ϏδωεϩδοΫ .PEFM͔Β
    7JFX.PEFMʹ
    ม׵͢ΔϩδοΫ

32. 32 ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
    4QFBLFS
    %FDLͷ֓ཁཝʹؔ࿈εϥΠυΛܝࡌ͍ͯ͠·͢