Q: If you have an old DB from Discourse install, v2.0 > export - import > 2.9 - will it fail or is there a conversion process built into import to allow a successful importation?

Thank you for your replay but simply removing polls is not a solution to duplicate records. I assume somewhere early on the import from phpbb3 was incorrect and created those records. They are valid they just have duplicate UUID’s since original imported did not check for that. Anyway, the solution…

Importing old database to latest version

Installation

pfaffman (Jay Pfaffman) May 19, 2022, 4:49pm 2

A: PostgreSQL 13 update

2 Likes

Topic		Replies	Views
Problem with restore Discourse from backup (3.4, quite large DB) Support	17	131	January 14, 2025
Upgrade failed with "duplicate key value violates unique constraint" error Installation	18	2337	March 30, 2020
Database issues migrating form old version 20150822141540 Installation	14	927	October 22, 2022
Discourse Rebuild Failed to Bootstrap Installation	6	506	August 31, 2023
Rebuild fails on db:migrate "relation "form_templates" already exists" Installation	10	355	October 25, 2023

Importing old database to latest version

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