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Migration Canary: Continuous Verification for Schemas

Migration Canary: Continuous Verification for Schemas

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4 min read
SELECT * and INSERT ... SELECT Broke Production at 3am

SELECT * and INSERT ... SELECT Broke Production at 3am

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3 min read
What 40 agent-written migrations got wrong

What 40 agent-written migrations got wrong

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4 min read
Adding a foreign key to a big table without locking both of them

Adding a foreign key to a big table without locking both of them

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3 min read
Deterministic checks for AI-written migrations

Deterministic checks for AI-written migrations

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4 min read
One line stops a migration from taking down production. Almost nobody adds it.

One line stops a migration from taking down production. Almost nobody adds it.

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4 min read
Why SQLite refuses your ALTER TABLE, and the twelve-step rebuild it wants instead

Why SQLite refuses your ALTER TABLE, and the twelve-step rebuild it wants instead

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3 min read
How a database password ends up in git history, and why rotating it is not enough

How a database password ends up in git history, and why rotating it is not enough

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Expand, migrate, contract: dropping a column without breaking the deploy that is still running

Expand, migrate, contract: dropping a column without breaking the deploy that is still running

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Why ADD COLUMN NOT NULL fails on a full table, and the migration that does not

Why ADD COLUMN NOT NULL fails on a full table, and the migration that does not

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3 min read
Your backfill is a photograph

Your backfill is a photograph

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5 min read
Flyway for Freeloaders — Rollback without Teams

Flyway for Freeloaders — Rollback without Teams

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8 min read
Prove a Generated Migration Can Undo Itself Before It Touches Your Data

Prove a Generated Migration Can Undo Itself Before It Touches Your Data

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4 min read
GitLab shipped a real migration with AI agents and wrote up what actually broke

GitLab shipped a real migration with AI agents and wrote up what actually broke

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4 min read
How to add a NOT NULL column to a large table safely in Rails

How to add a NOT NULL column to a large table safely in Rails

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4 min read
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