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!@ZVLJLBZVLJ
(SBQI2-'FEFSBUJPO
৽ׁ8ΞϓϦέʔγϣϯษڧձ7PM-5
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ࣗݾհ
w 5BLBZVLJ,BOFEB!@ZVLJLBZVLJ
w גࣜձࣾ4QSPDLFU
w ϑϩϯτΤϯυΤϯδχΞ
w ࠷ۙ(PΛॻ͍͍ͯΔ
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࣍
w (SBQI2-ͱ
w ϚΠΫϩαʔϏεߏͰͷόοΫΤϯυ
w (SBQI2-'FEFSBUJPO
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(SBQI2-ͱ
w ʹ'BDFCPPL ݱ.FUB
ʹΑͬͯެ։͞Εͨ"1*͚ΫΤϦݴޠɺϥϯ
λΠϜ
w ճͷϦΫΤετͰඞཁͳϦιʔεΛऔಘ͢Δ͜ͱ͕Ͱ͖Δ
w εΩʔϚϑΝʔετͰ։ൃՄೳ
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4DIFNB
2VFSZ
3FTQPOTF
query {
posts {
id
title
}
}
{
"data": {
"posts": [
{
"id": 1,
"title": "title-1"
},
{
"id": 2,
"title": "title-2"
}
]
}
}
1045IUUQTFYBNQMFDPNHSBQIRM
type Post {
id: Int
title: String
content: String
}
type Query {
post(id: Int): Post
posts: [Post]
}
4DIFNB
2VFSZ
3FTQPOTF
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ϚΠΫϩαʔϏεߏͷόοΫΤϯυ
w ϑϩϯτΤϯυͰ֤όοΫΤϯυΛୟ͘
w ϑϩϯτΤϯυͰ֤όοΫΤϯυΛೝ࣮ࣝͯ͠Λߦ͏ඞཁ͕͋Δ
w ϑϩϯτΤϯυʹόοΫΤϯυ༻ͷಉ࣮͕͡૿͑Δ FHೝূͳͲ
w #''ΛڬΉ
w όοΫΤϯυΛ࣮ͨ͠Β#''ʹରԠͨ͠ίʔυ͕ඞཁ
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ΫϥΠΞϯτ͕֤όοΫΤϯυΛୟ͘ߏ
#SPXTFS
6TFSTFSWJDF
1PTUTFSWJDF
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#''ߏ
#SPXTFS #''
6TFSTFSWJDF
1PTUTFSWJDF
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(SBQI2-'FEFSBUJPO "QPMMP'FEFSBUJPO
w "QPMMP͕։ൃ͍ͯ͠Δɺෳͷ(SBQI2-"1*ΛΈ߹Θͤͨεʔύʔάϥϑ
Λ࡞͢ΔͨΊͷɺڧྗͰΦʔϓϯͳΞʔΩςΫνϟ
w ϚΠΫϩαʔϏεͷ(SBQI2-ͷTDIFNBΛΈ߹ΘͤͨεʔύʔάϥϑΛ࡞
͢Δ͜ͱͰɺͭͷ(BUFXBZͷΤϯυϙΠϯτ͔Βશͯͷ(SBQI2-ͷϦι
ʔεΞΫηεͰ͖Δ
w ࠓॳՆʹWʹͳͬͨ
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(SBQI2-'FEFSBUJPOߏ
#SPXTFS
4VQFSHSBQI
HBUFXBZ
6TFSTVCHSBQI
1PTUTVCHSBQI
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4VQFSHSBQI4DIFNBͷ࡞
type User @key(fields: "id") {
id: Int!
name: String!
}
type Query {
user(id: Int): User
users: [User]
}
type Post {
id: Int
title: String
content: String
user: User
}
type User @key(fields: "id") {
id: Int!
}
type Query {
post(id: Int): Post
posts: [Post]
}
type Post
@join__type(graph: USERS)
{
id: Int
title: String
content: String
user: User
}
type Query
@join__type(graph: POSTS)
@join__type(graph: USERS)
{
user(id: Int): User @join__field(graph: POSTS)
users: [User] @join__field(graph: POSTS)
post(id: Int): Post @join__field(graph: USERS)
posts: [Post] @join__field(graph: USERS)
}
type User
@join__type(graph: POSTS, key: "id")
@join__type(graph: USERS, key: "id")
{
id: Int!
name: String! @join__field(graph: POSTS)
}
4VQFSHSBQI4DIFNB
6TFS4DIFNB
1PTU4DIFNB
3PWFS$-*
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2VFSZ
3FTQPOTF
query {
posts {
title
user {
name
}
}
}
{
"data": {
"posts": [
{
"title": "title-1",
"user": {
"name": "taro"
}
},
{
"title": "title-2",
"user": {
"name": "jiro"
}
}
]
}
}
1045IUUQTFYBNQMFDPNHSBQIRM
2VFSZ
3FTQPOTF
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(SBQI2-'FEFSBUJPOͷϝϦοτ
w ෳ(SBQI2-αʔϏε͕͋ͬͯճͷϦΫΤετͰϦιʔεΛऔಘͰ͖Δ
w 3&45ʹର͢ΔڧྗͳརΛγϯϓϧͳܗͰҡ࣋Ͱ͖Δ
w (SBQI2-αʔϏεͷ࣮ʹूதͰ͖Δ
w ΫϥΠΞϯτɾ#''Λҙࣝ͠ͳͯ͘ྑ͍
w ෳνʔϜ͕νʔϜݸผͷόοΫΤϯυ։ൃʹϑΥʔΧεͰ͖Δ
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ಋೖ࣌ͷϙΠϯτ ͩͱߟ͍͑ͯΔͱ͜Ζ
w TVQFSHSBQIHBUFXBZ͕ࢀর͢ΔTDIFNBࣗମͷཧ
w ৗʹTVQFSHSBQITDIFNBΛߏՄೳ͔Λݕࠪ͠ଓ͚Δඞཁ͕͋Δ
w ΑΓεΩʔϚϑΝʔετͳ։ൃͷྲྀΕʹ
w TVCHSBQIσϓϩΠޙʹTVQFSHSBQIHBUFXBZ͕ࢀর͢ΔTDIFNBͷߋ৽
w HBUFXBZ(SBQI2-ΫΤϦΛཧղ͢Δݡ͍ࢠͳͷͰɺσϓϩΠʹΑͬͯ
TVCHSBQIͰར༻Մೳͳঢ়ଶʹͳͬͯɺHBUFXBZ͕ࢀর͢ΔTDIFNB͕
TVCHSBQIͰར༻Մೳʹͳ߲ͬͨΛө͍ͯ͠ͳ͍߹ɺΫϥΠΞϯτ͔Β
༻Ͱ͖ͳ͍
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8FBSFIJSJOH
4FBSDIGPS<4QSPDLFU'PSLXFMM>POHPPHMF