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#postgres

Posts on tips and tricks, using and learning about PostgreSQL for database development and analysis.

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Our disk alert waited for ninety seven percent and Postgres stopped at ninety five

Our disk alert waited for ninety seven percent and Postgres stopped at ninety five

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2 min read
Python vs Go vs Rust for a Vector Search API: the Language Explained 5% of the Throughput Variance

Python vs Go vs Rust for a Vector Search API: the Language Explained 5% of the Throughput Variance

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21 min read
A map drawn by its users: how we built map and style marketplaces in TapMap

A map drawn by its users: how we built map and style marketplaces in TapMap

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10 min read
Let Claude Code read your production database — even a write disguised as SELECT gets refused

Let Claude Code read your production database — even a write disguised as SELECT gets refused

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4 min read
4,300 tests, written by an AI: how they were planned, run and enforced

4,300 tests, written by an AI: how they were planned, run and enforced

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3 min read
PostgreSQL's recovery_prefetch prefetches pages the WAL already holds

PostgreSQL's recovery_prefetch prefetches pages the WAL already holds

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6 min read
Your Go Fake Repository Drifts From Postgres. Run One Contract Suite Against Both

Your Go Fake Repository Drifts From Postgres. Run One Contract Suite Against Both

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12 min read
Changing one number from 32 to 34 made a Postgres query 6,000 faster. Here's exactly why.

Changing one number from 32 to 34 made a Postgres query 6,000 faster. Here's exactly why.

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12 min read
Context Rot: Why Your RAG Pipeline Degrades Without Anyone Deploying Anything

Context Rot: Why Your RAG Pipeline Degrades Without Anyone Deploying Anything

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5 min read
Three checks that look like they passed, but validated nothing

Three checks that look like they passed, but validated nothing

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Comments 2
5 min read
Your Agent's ADD FOREIGN KEY Stalls Writes on Two Tables. NOT VALID, Then VALIDATE

Your Agent's ADD FOREIGN KEY Stalls Writes on Two Tables. NOT VALID, Then VALIDATE

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7 min read
Cutting LLM Calls in Incident Triage: Sliding Windows, Log Reduction, and a pgvector Cache

Cutting LLM Calls in Incident Triage: Sliding Windows, Log Reduction, and a pgvector Cache

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6 min read
Supabase Storage upload fails with "new row violates row-level security policy"? Here's the fix

Supabase Storage upload fails with "new row violates row-level security policy"? Here's the fix

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3 min read
Konut projesinde ünite stok haritasını kodla kurmak: Durum makinesi, süreli opsiyon, eşzamanlı rezervasyon ve canlı güncelleme

Konut projesinde ünite stok haritasını kodla kurmak: Durum makinesi, süreli opsiyon, eşzamanlı rezervasyon ve canlı güncelleme

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10 min read
GORM counted 11 rows. PostgreSQL found 7 distinct pairs.

GORM counted 11 rows. PostgreSQL found 7 distinct pairs.

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3 min read
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