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I let a model suggest Postgres indexes, then made the database mark its work

This story is from 2026-09-09. It is preserved in the archive; the latest stories are on the live feed.

Ask any model for an index and you will get one. That is the problem. It has no way to tell you that the query you pasted is already as fast as it is going to get, so it gives you a CREATE INDEX line, and the line looks reasonable, and it lands in a pull request where nobody can evaluate it either.…

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  1. 2026-09-09 07:04 · DEV Community — AI
    I let a model suggest Postgres indexes, then made the database mark its work

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