Hasuraを活用するためのTips集

by KazukiHayase

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HasuraΛ׆༻͢ΔͨΊͷTipsू 2022/08/30 ։ൃ2෦ ૣ੉࿨ً

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ࣗݾ঺հ ● ૣ੉࿨ً ● ग़඼؅ཧSaa S ○ ϓϩδΣΫτϦʔμʔ ○ ϑϧελοΫΤϯδχΞ ● ࠷ۙͷϚΠϒʔϜ ○ ݸਓ։ൃ࠶։͠·ͨ͠ ■ Cloud Run(gqlgen) + Firestore(Datastore mode ) ■ Next.js + Rela y ○ Ҿͬӽ͠४උத

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ΞδΣϯμ ● Hasuraͱ͸ ● HasuraΛ׆༻͢ΔͨΊͷTipsू ○ Upsertͷ׆༻ ○ τϥϯβΫγϣϯ ○ ϦϨʔγϣϯΛؚΜͩMutatio n ○ σΟϨΫςΟϒʹΑΔ੍ޚ ● ͓ΘΓʹ

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ΞδΣϯμ ● Hasuraͱ͸ ● HasuraΛ׆༻͢ΔͨΊͷTipsू ○ Upsertͷ׆༻ ○ τϥϯβΫγϣϯ ○ ϦϨʔγϣϯΛؚΜͩMutatio n ○ σΟϨΫςΟϒʹΑΔ੍ޚ ● ͓ΘΓʹ

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Hasuraͱ͸ ● DBͷεΩʔϚ͔ΒGraphQLαʔόʔΛੜ੒Ͱ͖ΔΦʔϓϯιʔε ● DB͑͋͞Ε͹αʔόʔཱ͕ͯΒΕΔͷͰ࣮૷ίετ͕֨ஈʹݮΔ

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ΧελϜϩδοΫʹ͍ͭͯ ● ΧελϜϩδοΫΛ௥Ճ͢Δํ๏ΛHasura͸ఏڙ͍ͯ͠Δ ○ Actio n ○ Remote Schem a ● ҙ֎ͱΧελϜϩδοΫΛ࣮૷͍ͨ͠৔໘͸ଟ͍ ● ࣮ͨͩ͠૷ίετɺϝϯςφϯείετ͕૿Ճ͢Δ

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HasuraͷػೳΛ׆༻͢Δ͜ͱͰ  ΧελϜϩδοΫͷ࣮૷ΛݮΒ͢͜ͱ͕Ͱ͖Δ

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ΞδΣϯμ ● Hasuraͱ͸ ● HasuraΛ׆༻͢ΔͨΊͷTipsू ○ Upsertͷ׆༻ ○ τϥϯβΫγϣϯ ○ ϦϨʔγϣϯΛؚΜͩMutatio n ○ σΟϨΫςΟϒʹΑΔ੍ޚ ● ͓ΘΓʹ

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Upsertͷ׆༻ on_conflictΛࢦఆ͢Δ͜ͱͰUpsertͰ࣮ߦ

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Upsert࢖༻࣌ͷ஫ҙ఺ ● σʔλ͕ଘࡏ͢Δ͔Θ͔Βͳ͍৔߹ͷΈ࢖༻͢Δ ○ ϕʔεͷMutation͸InsertͳͷͰશͯͷඞਢύϥϝʔλΛ౉͢ඞཁ͕͋Δ ○ Updateͷ୅༻ͱͯ͠͸࢖͑ͳ͍ ● σʔλ͕ଘࡏ͢Δ͜ͱ͕Θ͔͍ͬͯΔ৔߹͸UpdateΛ࢖༻͢Δ

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ΞδΣϯμ ● Hasuraͱ͸ ● HasuraΛ׆༻͢ΔͨΊͷTipsू ○ Upsertͷ׆༻ ○ τϥϯβΫγϣϯ ○ ϦϨʔγϣϯΛؚΜͩMutatio n ○ σΟϨΫςΟϒʹΑΔ੍ޚ ● ͓ΘΓʹ

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τϥϯβΫγϣϯ Hasura͸1ͭͷϦΫΤετʹෳ਺ͷMutationؚ͕·Ε͍ͯΔ৔߹ɺ  ֤Mutation͸1ͭτϥϯβΫγϣϯͰॱ൪ʹ࣮ߦ͞ΕΔ ͲΕ͔ҰͭͰ΋ࣦഊͨ͠৔߹શͯͷMutation͕ϩʔϧόοΫ͞ΕΔ

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τϥϯβΫγϣϯͷྫ deletePost͕ࣦഊͯ͠SampleMutationશମ͕ϩʔϧόοΫ͞ΕΔ ϩʔϧόοΫ͞ΕΔͷͰtaggings͸࡟আ͞Ε͍ͯͳ͍

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ΞδΣϯμ ● Hasuraͱ͸ ● HasuraΛ׆༻͢ΔͨΊͷTipsू ○ Upsertͷ׆༻ ○ τϥϯβΫγϣϯ ○ ϦϨʔγϣϯΛؚΜͩMutatio n ○ σΟϨΫςΟϒʹΑΔ੍ޚ ● ͓ΘΓʹ

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ϦϨʔγϣϯΛؚΜͩMutation Mutationͷ૊Έཱͯ࣍ୈͰ༷ʑͳϦϨʔγϣϯΛؚΜͩσʔλͷ࡞੒͕Մೳ ● 1: 1 ● 1: N ● N:N

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1:1ͷϦϨʔγϣϯ profileͱͦΕʹඥͮ͘userΛ࡞੒ userͱͦΕʹඥͮ͘profileΛ࡞੒͠Α͏ͱ͢ΔͱΤϥʔ

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ΦϒδΣΫτͷ࡞੒ॱং σϑΥϧτͰ͸1:1ͷϦϨʔγϣϯ͸Լهͷॱ൪ͰΦϒδΣΫτ͕࡞੒͞ΕΔ 1. ࢠΦϒδΣΫτΛ࡞੒ͯ͠idΛऔಘ 2. FKΧϥϜʹ 1 Ͱऔಘͨ͠idΛઃఆͯ͠਌ΦϒδΣΫτΛ࡞੒ ※ ϦϨʔγϣϯ࡞੒࣌ͷinsertion_orderͷઃఆͰॱ൪͸มߋՄೳ

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1:NͷϦϨʔγϣϯ ౤ߘͱͦΕʹඥ͍͍ͮ͘ͶΛ࡞੒

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ΦϒδΣΫτͷ࡞੒ॱং 1:NͷϦϨʔγϣϯ͸Լهͷॱ൪ͰΦϒδΣΫτ͕࡞੒͞ΕΔ 1. ਌ΦϒδΣΫτΛ࡞੒ͯ͠idΛऔಘ 2. FKΧϥϜʹ 1 Ͱऔಘͨ͠idΛઃఆͯ͠ࢠΦϒδΣΫτΛ࡞੒

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N:NͷϦϨʔγϣϯ ౤ߘͱͦΕʹඥͮ͘λάΛ࡞੒

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ߴ౓ͳN:NͷϦϨʔγϣϯ ౤ߘͱͦΕʹඥͮ͘λάΛ࡞੒ɺλάͷ࡞੒͸Upsert λά͕͢Ͱʹଘࡏ͢Δ৔߹͸ͦͷλά ͱඥ෇͚ɺλά͕ଘࡏ͠ͳ͍৔߹͸λ άΛ࡞੒ͯ͠ඥ෇͚ͱ͍ͬͨෳࡶͳ Mutation΋࣮૷Մೳ

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ΞδΣϯμ ● Hasuraͱ͸ ● HasuraΛ׆༻͢ΔͨΊͷTipsू ○ Upsertͷ׆༻ ○ τϥϯβΫγϣϯ ○ ϦϨʔγϣϯΛؚΜͩMutatio n ○ σΟϨΫςΟϒʹΑΔ੍ޚ ● ͓ΘΓʹ

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σΟϨΫςΟϒʹΑΔ੍ޚ Hasura͸ඪ४σΟϨΫςΟϒ͕ར༻Մೳ σΟϨΫςΟϒΛ׆༻͢Δ͜ͱͰQuery, Mutationͷදݱͷ෯͕޿͕Δ

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σΟϨΫςΟϒʹΑΔ੍ޚ @includeͰऔಘ͢ΔϑΟʔϧυΛ੍ޚ @skipͰ࣮ߦ͢ΔMutationΛ੍ޚ

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σΟϨΫςΟϒʹΑΔ੍ޚ ؔ࿈ͷͳ͍MutationͰ͋Ε͹ϦΫΤετͷ෼ׂͰରԠՄೳ ಉ͡τϥϯβΫγϣϯ಺ͰMutationͷ࣮ߦΛ੍ޚ͍ͨ͠৔߹͸  σΟϨΫςΟϒͰͷ੍ޚ͕༗ޮ

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͓ΘΓʹ ● HasuraΛ׆༻͢Δ͜ͱͰόοΫΤϯυͷ࣮૷޻਺ΛݮΒ͢͜ͱ͕Ͱ͖Δ ● ଞʹ΋Hasuraͷػೳ͚ͩͰ࣮ݱͰ͖Δ͜ͱ͸ੵۃతʹ׆༻͢Δͷ͕  ྑ͍ͱࢥ͍·͢ʂ