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Kotlinで型安全なSQLを書こう
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noripi
October 23, 2017
Technology
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Kotlinで型安全なSQLを書こう
2017.10.23 どこでもKotlin #3のスライドです。
noripi
October 23, 2017
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Transcript
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3FUUZ ɾ8FC ɾΞϓϦ
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ຊͷ͓ ɾ%#͔ΒσʔλΛऔͬͯ͘Δͱ͜Ζͷ "1* +40/ %# ͜͜ΒΜͷ ΞϓϦ ɾ42-ͬͯܕ҆શ͚ͩͬʁ
,PUMJOͰ%#ଓͱݴ͑
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ܕ҆શͳੈքͷதͰ%#͔ΒσʔλΛ͖͍࣋ͬͯͨ ɾ+%#$Λ͑ͲΜͳΫΤϦͰॻ͚Δ
ܕ҆શͳੈքͷதͰ%#͔ΒσʔλΛ͖͍࣋ͬͯͨ ɾ+%#$Λ͑ͲΜͳΫΤϦͰॻ͚Δ ɹʢͨͩ͠ܕ҆શͳੈքͰͳ͍ʣ
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03.Λ͏લఏͰઃܭ͞Εͨ%#Ͱͳ͍ͱ ͍ͮΒ͍έʔε͋Δ
ฐࣾͷ߹ ɾςʔϒϧ͕ଟ͍ ɾݸ ݱࡏ ˠΤϯςΟςΟΛઃܭ͢Δͷઈత ɾJOEFYͷషΒΕํ͕Ṗ ɾओཁͳςʔϒϧͰʮͳΜͰ͜ΕʹJOEFYͳ͍ͷʯͱ͍ͬͨͷ͕ ɹΑ͋͘Δ ɾͦͦJOEFY͕ͭͳ͍ςʔϒϧ͍Δʢ1SJNBSZ,FZ͑͞ʜʣ
ɾςʔϒϧ͕খ͚ʹͳ͍ͬͯΔ ɾΤϯςΟςΟʹ૬͢ΔใΛऔΔ͚ͩͰɺݸͷςʔϒϧΛ ɹ+0*/͠ͳ͍ͱใ͕Γͳ͍͜ͱׂ͕ΓͱΑ͋͘Δ ˠ03.͕࡞ΔΫΤϦʹͤͯΒΕͳ͍
ͬͺΓ42-ॻ͖͍ͨʢͨͩ͠ܕ҆શʹʣ
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ίʔυྫ
ίʔυྫ
ܕ҆શʹ42-͕ॻ͚ͨ
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,PUMJOΛ͏ͱͰ͖Δ͜ͱ ɾJOGJYͰ͏গ͠42-Β͘͠ॻ͘ ɾิΛޮ͔ͤͳ͕Β42-͕ॻ͚ͯҙ֎ͱѱ͘ͳ͍͔͠Εͳ͍ ɾۀͰ͜ͷॻ͖ํΛ͍ͯ͠ΔΘ͚Ͱͳ͍ͷͰ༻ײෆ໌ ˠ͜͜·Ͱ͘Δͱ͔ͳΓ42-ͬΆ͍
·ͱΊ ɾ03.͕͍ͮΒ͍έʔε͋Δ ɾςʔϒϧ͕ଟ͗͢Δ ɾςʔϒϧ͕খ͚ʹͳ͍ͬͯͯ&OUJUZͷઃܭʹ͕͔͔࣌ؒΓͦ͏ ɾJOEFYͷషΓํ͕ͳΜ͔͓͔͍ͩ͠ ɾͦ͏͍͏ͱ͖42-Λॻ͜͏ ɾ2VFSZ%4-Λ͑ܕ҆શͳ42-Λॻ͘͜ͱ͕Ͱ͖Δ ɾ,PUMJOΛ͑ϥΠϒϥϦʹ༻ҙ͞Ε͍ͯͳ͍ํݴͳͲγϯϓϧʹ ɾJOGJYΛͬͯΑΓ42-ͬΆ͘ॻ͘ͷ໘ന͍͔
IUUQTHJUIVCDPNOPSJQJRVFSZETMTBNQMF ຊͷαϯϓϧίʔυ
͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ