Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
GraphQL at Twitter
Search
George Leontiev
February 21, 2019
Technology
0
140
GraphQL at Twitter
George Leontiev
February 21, 2019
Tweet
Share
More Decks by George Leontiev
See All by George Leontiev
Typelevel programming in Scala (with lies)
folone
0
460
Case study: typelevel programming in real world
folone
1
600
Type level programming in Scala
folone
0
490
ScalaUA: Typelevel Scala
folone
2
210
Hands-on TLC
folone
2
950
42: Rise of the dependent types
folone
2
470
∃ PROLOG |PROLOG ∈ SCALA
folone
5
1.1k
42.type: Literal-based Singleton types
folone
4
1.5k
There's a Prolog in your Scala!
folone
6
4k
Other Decks in Technology
See All in Technology
これがLambdaレス時代のChatOpsだ!実例で学ぶAmazon Q Developerカスタムアクション活用法
iwamot
PRO
8
1.1k
そのWAFのブロック、どう活かす? サービスを守るための実践的多層防御と思考法 / WAF blocks defense decision
kaminashi
0
200
名刺メーカーDevグループ 紹介資料
sansan33
PRO
0
930
Introduction to Sansan for Engineers / エンジニア向け会社紹介
sansan33
PRO
5
43k
ビズリーチ求職者検索におけるPLMとLLMの活用 / Search Engineering MEET UP_2-1
visional_engineering_and_design
1
150
AWS Control Tower に学ぶ! IAM Identity Center 権限設計の第一歩 / IAM Identity Center with Control Tower
y___u
1
200
Introduction to Sansan Meishi Maker Development Engineer
sansan33
PRO
0
310
物体検出モデルでシイタケの収穫時期を自動判定してみた。 #devio2025
lamaglama39
0
230
LLMプロダクトの信頼性を上げるには?LLM Observabilityによる、対話型音声AIアプリケーションの安定運用
ivry_presentationmaterials
0
350
【Kaigi on Rails 事後勉強会LT】MeはどうしてGirlsに? 私とRubyを繋いだRail(s)
joyfrommasara
0
280
ニッポンの人に知ってもらいたいGISスポット
sakaik
0
160
防災デジタル分野での官民共創の取り組み (2)DIT/CCとD-CERTについて
ditccsugii
0
310
Featured
See All Featured
ピンチをチャンスに:未来をつくるプロダクトロードマップ #pmconf2020
aki_iinuma
127
53k
Agile that works and the tools we love
rasmusluckow
331
21k
Raft: Consensus for Rubyists
vanstee
140
7.1k
How to Ace a Technical Interview
jacobian
280
24k
Statistics for Hackers
jakevdp
799
220k
Designing for humans not robots
tammielis
254
26k
A Modern Web Designer's Workflow
chriscoyier
697
190k
Building a Scalable Design System with Sketch
lauravandoore
463
33k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
231
53k
Build your cross-platform service in a week with App Engine
jlugia
232
18k
How to Think Like a Performance Engineer
csswizardry
27
2k
Automating Front-end Workflow
addyosmani
1371
200k
Transcript
George Leontiev AgentConf — February 2019
George Leontiev @YukiFartlek
None
None
None
Datastorage Thrift HTTP
HTTP Thrift Datastorage
HTTP Thrift Datastorage
None
HTTP Thrift GraphQL API
Schema
None
A federated database brings together multiple data sources so that
they can be queried and mutated uniformly.
GraphQL brings together multiple data sources so that they can
be queried and mutated uniformly.
Strato brings together multiple data sources so that they can
be queried and mutated uniformly.
Column({ name = "User/birthday", source = DbColumn({ dest = "twitter_db",
dataset = "birthdays", mapping = KeyValue({ key = Type(Long), // User ID value = Type(Long) // Timestamp }) }) })
Column({ name = "User/birthday", source = DbColumn({ dest = "twitter_db",
dataset = "birthdays", mapping = KeyValue({ key = Type(Long), // User ID value = Type(Long) // Timestamp }) }), graphql = Field("User", "birthday") })
Subscriptions
None
Clients subscribe to an event with a GraphQL query and
receive payloads. — Laney Kuenzel
Clients subscribe to an event with a GraphQL query and
receive payloads.
Subscriptions EventBus Event Producer
Clients subscribe to an event with a GraphQL query and
receive payloads.
def execute( query, against: Event, as: User ): Payload
{ "query": "subscription { random_tweet { id } }", "event":
{ "type": "random_tweet", "tweet_id": "..." }, "user": { "id": "12" } }
API EventBus Event Producer Subscriptions
Clients subscribe to an event with a GraphQL query and
receive payloads.
None
Live Pipeline { "topic": "tweet_engagement/20", "payload": { ... } }
POST /subscribe?topic= tweet_engagement/20
def topic( query, for: User ): String
subscription { random_tweet { __typename ... on Status { topic
} ... on Tweet { id text } } } { "data": { "random_tweet": { "__typename": "Status", "topic": "graphql/sM_xI92k" } } }
{ "topic": "graphql/sM_xI92k", "payload": { "data": { "random_tweet": { "__typename":
"Tweet", "id": "...", "text": "..." } } } } POST /subscribe?topic= graphql/sM_xI92k Live Pipeline
Subscriptions API Live Pipeline EventBus subscription { random_tweet { ...
} } { "topic": "graphql/sM_xI92k", "payload": { "data": { "random_tweet": { ... } } } } { "random_tweet_id": "..." } { ... "topic": "graphql/sM_xI92k" ... } Event Producer
Tips
None
None
None
{ user(id: "12") { name followers { name followers {
name followers { name followers { name } } } } } }
POST /graphql/eyBuaWNlIHsgdHJ5IH0gfQ
enabling technology noun An invention or innovation, that can be
applied to drive radical change in the capabilities of a user or culture. Enabling technologies are characterized by rapid development of subsequent derivative technologies, often in diverse fields.
adjacent possible noun A kind of shadow future, hovering on
the edges of the present state of things, a map of all the ways in which the present can reinvent itself.
None
George Leontiev @YukiFartlek
None