Paolo Melchiorre 6/17/2026

Posette 2026

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This article summarizes a talk from Posette 2026 on PostgreSQL generated columns. It explains how PostgreSQL 18 makes generated columns virtual by default while still supporting stored behavior, introducing new trade-offs in performance, storage, and query design. The talk uses practical examples and Django 6.0 as a case study to demonstrate real-world usage and ORM integration. Attendees learn when to use virtual versus stored generated columns in production systems.

Posette 2026

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