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#postgres

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

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PostgreSQL timestamp vs timestamptz: Which to Use and How to Find the Wrong Ones

PostgreSQL timestamp vs timestamptz: Which to Use and How to Find the Wrong Ones

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8 min read
Grading a wrong answer by how wrong it is: ICD-10 proximity scoring in Postgres

Grading a wrong answer by how wrong it is: ICD-10 proximity scoring in Postgres

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4 min read
Testing Risky Postgres Migrations Safely with Volume Cloning on Unikraft Cloud

Testing Risky Postgres Migrations Safely with Volume Cloning on Unikraft Cloud

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13 min read
EXPLAIN (ANALYZE, IO) in PostgreSQL 19

EXPLAIN (ANALYZE, IO) in PostgreSQL 19

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5 min read
NGB Platform v2.0: Document Actions + Work Center

NGB Platform v2.0: Document Actions + Work Center

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3 min read
Bringing scattered sources into a single search — the unified knowledge workspace UseSources

Bringing scattered sources into a single search — the unified knowledge workspace UseSources

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12 min read
Five SQL Bugs That Never Threw an Error

Five SQL Bugs That Never Threw an Error

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5 min read
Zero-Downtime Postgres Migrations: Field Notes on Expand/Contract, lock_timeout, and the ALTER TABLE That Queued Behind One Slow Query

Zero-Downtime Postgres Migrations: Field Notes on Expand/Contract, lock_timeout, and the ALTER TABLE That Queued Behind One Slow Query

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8 min read
Git Bisect for Your Data

Git Bisect for Your Data

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9 min read
Single-flight caching: how one hot key stops taking the database down

Single-flight caching: how one hot key stops taking the database down

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3 min read
Single-flight кэш: как один горячий ключ не роняет базу

Single-flight кэш: как один горячий ключ не роняет базу

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1 min read
How I Rebuilt OpenStreetMap’s Category Model During GSoC

How I Rebuilt OpenStreetMap’s Category Model During GSoC

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12 min read
A Postgres driver silently shifted my timestamps by 8 hours — and every test stayed green

A Postgres driver silently shifted my timestamps by 8 hours — and every test stayed green

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4 min read
Как мы держим мусор подальше от программных гео-страниц: белый список метро и чёрный список районов

Как мы держим мусор подальше от программных гео-страниц: белый список метро и чёрный список районов

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1 min read
Keeping junk out of programmatic geo pages: an allow list for metro, a block list for districts

Keeping junk out of programmatic geo pages: an allow list for metro, a block list for districts

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4 min read
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