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`rails db:migrate`を使わない スキーマ変更を経験して学んだこと
shinji.uyama
February 27, 2019
Programming
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`rails db:migrate`を使わない スキーマ変更を経験して学んだこと
2019/02/27 Meguro.rb#24 at ドリコム
shinji.uyama
February 27, 2019
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Transcript
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[email protected]
ΞσΟογϡגࣜձࣾ
ࠓ͢Δ͜ͱ w ͳͥASBJMTECNJHSBUFAΛΘͳ͍εΩʔϚมߋΛͨ͠ʁ w ͦͷࡍʹֶΜͩ͜ͱ
ͳͥASBJMTECNJHSBUFAΛΘͳ͍ εΩʔϚมߋΛߦͬͨͷ͔ʁ
ࣄͷൃ ֎෦੍ΩʔͷมߋΛ͔ͨͬͨ͠
ࣄͷൃ ˢ࣮ߦ͞ΕΔ42-จ ֎෦੍ΩʔͷมߋΛ͔ͨͬͨ͠
ͦͷ݁Ռʜ
ςʔϒϧϩοΫ͕ൃੜ
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ςʔϒϧϩοΫͤ͞ͳ͍Α͏ʹ͢ΔͨΊʹ ASBJMTECNJHSBUFAΛΘͳ͍εΩʔϚมߋ͔ΒֶΜͩ͜ͱ
ֶͼ w
[email protected]
ςʔϒϧͷׂ w ASBJMTECNJHSBUFAͰ࡞ΒΕΔΠϯσοΫεͷ໊લ
ςʔϒϧϩοΫ͞ΕΔͷରԠʁ
ରԠࡦ ઐ༻ͷϚΠάϨʔγϣϯπʔϧΛ͏͜ͱͰ ςʔϒϧϩοΫΛ͠ͳ͍ঢ়ଶͰεΩʔϚมߋ
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ಛఆͷ%#.JHSBUJPOΛͲ͏ͬͯεΩοϓ͢Δͷʁ
[email protected]
ςʔϒϧ %#.JHSBUJPOͷཧΛߦ͏ςʔϒϧ
[email protected]
ςʔϒϧ %#.JHSBUJPOͷཧΛߦ͏ςʔϒϧ ಛఆͷ%#ϚΠάϨʔγϣϯΛεΩοϓ͚ͨ͠Εɺ ࢦఆͷϑΝΠϧࣝผࢠΛࣄલʹςʔϒϧʹΠϯαʔτ͢ΕΑ͍ʂ
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πʔϧΛ͏ࡍͷ֬ೝࣄ߲ πʔϧʹΑΔ%#.JHSBUJPO 3BJMTʹΑΔ%#.JHSBUJPO ̎ͭͷํ๏ͷ݁ՌͷؒͰ ςʔϒϧߏͷҧ͍͕ͳ͍Α͏ʹ͍ͨ͠
Կߟ͑ͣʹͬͯΈΔ ֎෦੍ͷՃ
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ΠϯσοΫε໊ͷࢦఆඞཁ
·ͱΊ w ಛఆͷ%#.JHSBUJPOͷεΩοϓ͍ͨ͠߹ɺ
[email protected]
ςʔϒϧཱ͕ͭ w ASBJMTECNJHSBUFAҎ֎ͷํ๏ͰΠϯσοΫε࡞Λ͢Δ߹ɺ దͳΠϯσοΫε໊Λࢦఆ͢Δ͜ͱ w A"-5&35"#-&A͢ΔࡍɺςʔϒϧϩοΫʹؾΛ͚ͭͯʜ
͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠