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Constellation is an open-source Hasura-compatible GraphQL engine in Go

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HN · launched Jun 3, 2026 · 10 upvotes (top 41%) · 0 views

Niche: database management systems and engines · 162 launches, 5 in the last 7 days ▼ -17% · Explore this niche →

Category and tags

  • Horizontal
  • Data infrastructure
  • Developer
  • Not AI
  • Hobby / open-source project

Visit website ↗ Source listing ↗

Could you build this?

No Developing a drop-in replacement for Hasura requires building a high-performance GraphQL engine in Go that parses GraphQL ASTs, resolves complex role-based authorization rules, and compiles them dynamically into optimized SQL queries and subscriptions.

What it would actually take: The system requires an AST parser and planner that converts GraphQL queries into single efficient PostgreSQL/SQLite SQL statements (handling joins, aggregations, and row/column permission trees). It must also implement Hasura's event triggers, live GraphQL subscriptions via PostgreSQL logical replication or LISTEN/NOTIFY, and remote schema stitching. Engineering this demands deep database internals, query planner compiler design, and high-concurrency Go experience.

Discussion

2 comments analyzed.

Competitors mentioned: Hasura

Concerns raised: Early stage / incomplete implementation, Metadata authoring still handled by Hasura

Competitors

Other products that read as similar to this one : 2089 launches clear the similarity bar, closest 8 shown.

Attention rank: #820 of 2090 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 217 days after the earliest competitor.

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