PlanetScale Postgres Extension Not Available

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Workaround available Web, CLI, Vitess (MySQL), Postgres Updated November 13, 2026Based on 2 user reportsHow we research

Quick answer

PlanetScale supports a curated extension list; some need superuser, dashboard enablement or a restart.

Most likely fix: Check the supported list

How to fix it

Try these in order — the most common fix is first.

  1. 1. Check the supported list

    1. Open the Postgres extensions docs
    2. Confirm the extension and version match your source
    Did this fix it?
  2. 2. Enable via dashboard

    1. Database > Extensions
    2. Enable and wait for restart if required
    Did this fix it?
  3. 3. Use a superuser role

    1. Connect with a role that has superuser privileges
    2. Run CREATE EXTENSION in the public schema if required
    Did this fix it?

Symptoms

CREATE EXTENSION fails or the extension is missing.

Why it happens

  • Extension not on the vetted list
  • Extension needs shared memory or a background worker
  • Extension must live in the public schema

This guide also covers

  • planetscale postgres extensions
  • planetscale postgis

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