Grackle GraphQL server
summary
Grackle compiles GraphQL into a small query algebra, elaborates field arguments into filters/orders/limits, and either interprets in-memory Scala values or compiles into SQL for DB backends. Demo apps (Star Wars, countries) show single SQL statement generation to avoid the N+1 problem and use Doobie and skunk integration; mutations still require hand-written SQL. Project runs at ITV and Aura Gemini, current release 0.8.1, and the SQL compiler produces readable, production-ready queries.
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chapters (11)
- 0:00Introduction and speakers
- 1:26ITV and Aura Gemini use cases
- 4:42GraphQL overview
- 6:08Demo with Star Wars API
- 9:22Grackle features and architecture
- 11:15Query algebra and compilation
- 15:36Query elaboration process
- 21:03Demo with countries and cities
- 24:14SQL integration and mapping
- 32:06Project status and contributions
- 33:53Q&A session
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