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Campfireから学ぶ、37signalsのRails設計入門
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Turn features on and off without deploys. Used by thousands of Ruby developers.
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ryosk7
November 27, 2025
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Campfireから学ぶ、37signalsのRails設計入門
Ruby on Railsのテーブル設計とトランザクション処理 LT Night 登壇資料
ryosk7
November 27, 2025
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Transcript
$BNQ fi SF͔ΒֶͿɺTJHOBMTͷ3BJMTઃܭೖ SZPTL
ࣗݾհ SZPTLͱਃ͠·͢ ϑϦʔϥϯεͰ͢ 3PQQPOHJSCͷओ࠵Λ͍ͯ͠·͢ ຖ݄ୈ༵ʹ։࠵͍ͯ͠·͢ 9ϑΥϩʔ͓ͪͯ͠·͢
Έͳ͞Μ$BNQ fi SFͱ͍͏αʔϏεΛ͝ଘͰ͠ΐ͏͔ʁ
$BNQ fi SFɺ#BTFDBNQɾ)&:Λ։ൃͨ͠TJHOBMT͕ެ։͍ͯ͠Δ ΦʔϓϯιʔεͷνϟοτΞϓϦέʔγϣϯͰ͢ɻ
ຊɺ͜ͷ$BNQ fi SFͷίʔυ͔ΒʮνϟοτΞϓϦέʔγϣϯಛ༗ͷ ෳࡶ͞ΛͲ͏γϯϓϧʹอ͔ͭʯΛಡΈղ͍͍͖ͯ·͢ɻ
νϟοτΞϓϦҰݟγϯϓϧͰ͕͢ɺҎԼͷΑ͏ͳෳͷσʔλ͕࿈ ಈͯ͠มߋ͞ΕΔඞཁ͕͋Γ·͢ɻ ϝοηʔδΛ%#ʹอଘ ଞͷϝϯόʔͷʮະಡঢ়ଶʯΛߋ৽ 8FC4PDLFUͰશһʹϒϩʔυΩϟετ ΦϑϥΠϯϢʔβʔʹ1VTI௨
ݕࡧΠϯσοΫεΛߋ৽
͜ΕΒ͕෦తʹޭɾࣦഊ͢Δͱɺக໋తͳෆ߹͕ൃੜ͠·͢ɻ
ຊɺ$BNQ fi SFΛࡐʹςʔϚʹԊͬͯҎԼͷ༰Λ͓͠͠·͢ɻ τϥϯβΫγϣϯઃܭ߹ੑΛอͭͨΊͷڥքઃܭ ઃܭෳࡶͳॲཧΛͲ͏͢Δ͔ ίʔϧόοΫͷֶΞϯνύλʔϯ͔ɺਖ਼͍͍͠ํ͔
$IBUΞϓϦʹະಡͷ࣮͕ඞཁͰ͕͢ɺઃܭෳࡶʹͳΓ͕ͪͰ͢
$IBUΞϓϦʹະಡͷ࣮͕ඞཁͰ͕͢ɺઃܭෳࡶʹͳΓ͕ͪͰ͢ Ұൠతͳະಡཧ
$IBUΞϓϦʹະಡͷ࣮͕ඞཁͰ͕͢ɺઃܭෳࡶʹͳΓ͕ͪͰ͢ $BNQ fi SFͷະಡཧ
w ʮԿ݅ະಡ͔ʯͰͳ͘ʮະಡ͕͋Δ͔ͳ͍͔ʯʹߜΔ w Χϯτཧͷෳࡶ͞Λഉআ w 6*ʮະಡόοδʯͷΈͰγϯϓϧʹ
w VQEBUF@BMMͰҰׅߋ৽ʢ/ ΫΤϦΛճආʣ w EJTDPOOFDUFEͷϢʔβʔͷΈະಡʹ͢Δ w ૹ৴ऀࣗະಡʹ͠ͳ͍
ίʔϧόοΫͷֶ
ʮίʔϧόοΫΞϯνύλʔϯʯͱ ฉ͍ͨ͜ͱ͕͋Γ·͢
ʮίʔϧόοΫΞϯνύλʔϯʯͱ ฉ͍ͨ͜ͱ͕͋Γ·͢
ίʔϧόοΫ͕ΞϯνύλʔϯͱݴΘΕΔཧ༝
τϥϯβΫγϣϯͰ֎෦γεςϜΛݺͿةݥੑ
τϥϯβΫγϣϯͰ֎෦γεςϜΛݺͿةݥੑ ϩʔϧόοΫ࣌ʹ&MBTUJDTFBSDI͚ͩߋ৽ͯ͠͠·͏
$BNQ fi SFͰɺϧʔϧΛܾΊͯੵۃతʹ$BMMCBDLΛར༻͍ͯ͠Δ
$BNQ fi SFͰɺϧʔϧΛܾΊͯੵۃతʹ$BMMCBDLΛར༻͍ͯ͠Δ
$BNQ fi SFͰɺϧʔϧΛܾΊͯੵۃతʹ$BMMCBDLΛར༻͍ͯ͠Δ ڞ௨ͯ͢ʮৗʹ࣮ߦ͞ΕΔ͖ॲཧʯ·ͨʮෆม݅ͷอূʯ
ίʔϧόοΫʮΞϯνύλʔϯʯͰͳ͘ʮݶఆ͖͢πʔϧʯ
$BNQ fi SFʹ͓͚ΔίʔϧόοΫઃܭͷஅج४
τϥϯβΫγϣϯͱΛݫ֨ʹ͢Δ͜ͱͰɺෳࡶͳ$IBUΞϓϦ Λγϯϓϧʹ͍ͯ͠Δ
$BNQ fi SFͷίʔυ͕͍ࣔͯ͠Δͷɺ3BJMTͷنΛ৴͡ɺਖ਼͘͠͏ ͱ͍͏γϯϓϧͳֶͰ͢ɻ
͓͠·͍