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Polynya – Turn your Postgres into workspaces for AI
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hasyimibhar
501mo ago
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GitHub Repository
Stream Postgres to Apache Iceberg on S3 via logical replication, queryable over the Postgres wire protocol.
251 starsGo
Streambed – Stream Postgres to Iceberg on S3, Supports Postgres Wire
by vira28·May 31, 2026·129 points·40 comments
AI Analysis
●●SolidSolve My ProblemBig Brain
Query Iceberg tables directly via psql without spinning up Trino or Spark clusters.
Strengths
- •Embedded DuckDB server speaks Postgres wire protocol for zero-config BI connections.
- •Single Go binary handles WAL decoding, Parquet flushing, and Iceberg commits.
- •Copy-on-write merging handles updates and deletes without requiring Spark orchestration.
Weaknesses
- •CGO dependency complicates cross-compilation, and Windows support is absent from docs.
- •Lacks built-in schema evolution, requiring manual intervention for table structure changes.
Category
Target Audience
Data engineers, Backend developers
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