PostgreSQL Technical Articles

Roman Zaynetdinov

My agent cloned GitHub (sort of) using the Neon backend

An engineer asked an AI agent to build a functional Git hosting service using Neon's new backend suite (currently in beta) during a GitHub outage. Despite having no prior knowledg…

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enterprisedb.com

When AI Agents Act on Their Own, Where Does the Damage Stop?

Agentic AI systems that act autonomously introduce significant security risks, as demonstrated by a recent AI agent hacking incident. The article argues that database-level contro…

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PostgreSQL Hackers Email Discussion Highlights

Remove redundant DISTINCT when GROUP BY already guarantees uniqueness

Ilia Evdokimov submitted patches building on the UniqueKeys approach to remove redundant DISTINCT when GROUP BY guarantees uniqueness. The patch series (0001–0009) fixes multiple…

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Fix race condition in pg_get_publication_tables with concurrent DROP TABLE

The thread discusses fixing a race condition in pg_get_publication_tables() when a concurrent DROP TABLE occurs. Masahiko Sawada had previously suggested replacing a TAP test in 1…

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Add pg_stat_kind_info system view

The discussion concerns adding a `pg_stat_kind_info` system view exposing metadata about PostgreSQL statistics kinds. The latest exchange focuses on two documentation concerns rai…

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Historic snapshot doesn't track txns committed in BUILDING_SNAPSHOT state

The discussion concerns a bug where historic snapshots fail to track transactions committed during the BUILDING_SNAPSHOT state in logical replication. ChangAo Chen proposed a fix…

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BUG: ReadStream look-ahead exhausts local buffers when effective_io_concurrency>=64

The thread concerns a bug where ReadStream's look-ahead exhausts local buffers when `effective_io_concurrency>=64`. Feike Steenbergen reports the issue persisting across all `io_m…

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Fix missing FORMAT when deparsing JSON_ARRAY(query)

Chao Li reported that deparsing a `JSON_ARRAY(subquery)` view omits the `FORMAT JSON` clause, causing re-execution of the deparsed SQL to produce different results. The root cause…

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Industry News

techcrunch.com

Anthropic Updates Claude Voice Mode with More Capable Models

Anthropic has updated Claude's voice mode with more capable AI models, expanding its functionality beyond simple conversation. The upgraded voice model can now handle practical ta…

techcrunch.com

AI Chip Startup Etched Hits $10.3B Valuation with Backing from Major Investors

AI chip startup Etched, founded by three Harvard dropouts, has reached a $10.3 billion valuation following investment from prominent backers. The company has developed new chips a…

techcrunch.com

AMD Takes on Nvidia with Helios AI Rack-Scale System

AMD has unveiled the Helios, a new rack-scale AI system designed to compete directly with Nvidia's dominant AI hardware offerings. The system is set to begin shipping to customers…

Social Media Updates

What if the longer you drove your car, the better it got?

Rivian's Director of Big Data & AI, Michael Flynn, describes how the company collects tens of thousands of telemetry, sensor, and video data points from its vehicles into a lakeho…

High availability within a single Kubernetes cluster is great, but what happens if an entire region goes down?

High availability within a single Kubernetes cluster addresses many failure scenarios, but a full regional outage requires a different approach. CYBERTEC engineer Wellingtone Luvo…

We're expanding our decade-long strategic partnership with Microsoft through the 2030s to help enterprises build AI grounded in their own business context.

Databricks is expanding its long-standing strategic partnership with Microsoft through the 2030s. Databricks will deepen its use of Azure Databricks and Azure Cobalt, while Micros…

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PostgreSQL Technical Articles

PostgreSQL Hackers Email Discussion Highlights

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